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Assessing the Economic Impact of Different Bluetongue Virus (BTV) Incursion Scenarios in Scotland: Technical Report

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ANNEX 1 (i) A detailed example of the cost benefit analysis (C4a)

Table 1.i shows a description of components and formulae used in an example of the economic costing spreadsheet model in Table 2.i that brings all economic data and epidemiological model output together. The first column in Table 1.i gives the row reference, the second column gives a description of variable/ parameter / constant and the third column defines the formula and provides a brief explanation with respect to the reference cells in the spreadsheet model in Table 2.i.

Table 1.i: Description of components and formulae used in the worksheet

Row Ref

Variable/ Parameter

Formula/Explanation

12

Weight loss (% of biomass)

14

Lower bound weight loss as a percentage of biomass of sheep due to BTV infection

15

Upper bound weight loss as a percentage of biomass of sheep due to BTV infection

17

Lower bound weight loss as a percentage of biomass of cattle due to BTV infection

18

Upper bound weight loss as a percentage of biomass of cattle due to BTV infection

27

Cattle milk loss

B27= 0.05*(epidscen!Q3*DATA!J38/DATA!J32)*(DATA!J61/DATA!J38) * B78.

It was assume d that 5% of milk is lost due to BTV infection. This is represented by the 0.05 parameter in the formula.

where epidscen!Q3 = number of infected cows;

DATA!J38 = Total Scottish population of Dairy cows;

DATA!J32 = total Cattle population and

B78 = price of milk per litre

28

Weight loss (% of biomass)

29

Sheep/Lamb

30

Low

B30 = epidscen!Q4*$B$14*B68*0.111.

It was assumed that 11% of infected sheep would show weight loss. This is represented by the 0.11 parameter in the formula.

where episedscen!Q4=number of infected sheep;

$B$14= Lower bound weight loss as a percentage of biomass of sheep due to BTV infection ;

B68 = sheep price per/head

31

High

B31 = epidscen!Q4*$B$15*B68*0.111.

It was assumed that 11% of infected sheep would show weight loss. This is represented by the 0.11 parameter in the formula.

Where episedscen!Q4 = number of infected sheep;

$B$14= Upper bound weight loss as a percentage of biomass of sheep due to BTV infection;

B68 = sheep price per/head

32

Cattle

33

Low

B33 = epidscen!Q3*$B$17*B67*0.9.

It was assumed that 9% of infected cows would show weight loss. This is represented by the 0.9 parameter in the formula.

Where episedscen!Q3 = number of infected cows;

$B$14= Lower bound weight loss as a percentage of biomass of cows due to BTV infection;

B67 = price of cow per/head

34

High

B34 = epidscen!Q3*$B$18*B67*0.9.

It was assumed that 9% of infected cows would show weight loss. This is represented by the 0.9 parameter in the formula.

Where episedscen!Q3 = number of infected Cows;

$B$14= Upper bound weight loss as a percentage of biomass of cows due to BTV infection;

B67 = cow price per/head

35

Abortion/Infertility

36

Sheep

B36 = ((epidscen!Q4*Pfs))*0.5.

It was assumed that 5% of infected sheep will become infertile and this was represented in formula as 0.5.

where Pfs =Loss of fertility for sheep (£/head);

episedscen!Q4 = number of infected sheep

37

Cattle

38

Dairy cattle

B38 = (epidscen!Q3*Pfdc)*(DATA!J38/DATA!J32)*0.019

It was assumed that 1.9% of infected cows will become infertile and this was represented in formula as 0.019.

Where episedscen!Q3 = number of infected cows;

Pfdc= value of loss of fertility for dairy cattle(£/head)

39

Beef cattle

B39 = (epidscen!Q3*Pfbc)*DATA!J44/DATA!J32*0.019

It was assumed that 1.9% of infected cows will become infertile and this was represented in formula as 0.019.

Where episedscen!Q3 = number of infected cows;

Pfdc= value of loss of fertility for beef cattle(£/head)

40

Sheep mortality

B40 = epidscen!Q8*Ps

Where Ps is price of sheep/head;

epidscen!Q8= number of dead sheep due to BTV

41

Cattle mortality

B41 = epidscen!Q7*Pc

where Pc is the price cattle/head;

epidscen!Q8= number of dead cows due to BTV

42

Wool loss

B42 = 2.5*epidscen!Q4*B79*0.3

It was assumed that normal yield of wool per sheep is 2.5 kg and 30% of sheep may develop signs of disease.

where episedscen!Q4 = number of infected sheep;

B79 = price of wool per kg;

43

Veterinary cost of morbid sheep

B43 = epidscen!Q4*B80,

Where episedscen!Q4 = number of infected sheep,

B80 = Veterinary and medicine cost per sheep (£/head)

44

Veterinary cost of morbid cattle

B44 = epidscen!Q3*B81,

Where episedscen!Q3 = number of infected cows;

B80 = Veterinary and medicine cost per cow (£/head)

45

Sheep carcass disposal cost

B45 = epidscen!Q8*B66;

where epidscen!Q8= number of dead sheep due to BTV

B66= carcass disposal cost (£/sheep)

46

Cattle carcass disposal cost

B46 = epidscen!Q7*B67;

where epidscen!Q7= number of dead cows due to BTV

B67= carcass disposal cost (£/cow)

47

Palliative Care

48

Sheep

B48=epidscen!Q4*(DATA!$D$204*5+DATA!$D$205*3)+epidscen!Q8*(DATA!$D$204*5+DATA!$D$205*3);

Where epidscen!Q4= number of infected sheep,

epidscen!Q8= number of dead sheep due to BTV;

DATA!$D$204 = cost of alamycin la by 5 doses,

DATA!$D$205 = cost of flunixin by 3 doses

49

Cattle

B49=epidscen!Q3*(DATA!$D$201+DATA!$D$202)+epidscen!Q7*(DATA!$D$201+DATA!$D$20)where epidscen!Q3 = number of infected cows,

epidscen!Q7= number of dead cows due to BTV;

DATA!$D$201= cost of administration of alamycin la ;

DATA!$D$202= cost of administration of flunixin

50

Movement restrictions (includes PCR and ELISA pre-testing cost)

51

Sheep

B51= 0.05*B68*(epidscen!Q26+epidscen!Q32)+epidscen!Q27*B90+epidscen!Q28*B89

Where

The parameter of value 0.05 represents the assumption that movement restriction will cost 5% of the value of the animal

B68= price of sheep (£ /head)

epidscen!Q26 = Number of sheep movement (live-live) lost in the counties where control will be undertaken

epidscen!Q32 = Number of sheep movement (live- slaughter) lost in the counties where control will be undertaken

epidscen!Q27 = Number of sheep vaccinated with PCR before movement (live-live) in the counties where control will be undertaken

B90 = Pre-movement testing PCR cost (£/head)

epidscen!Q28 = Number of sheep vaccinated with ELISA before movement (live-live) in the counties where control will be undertaken

B89= Pre-movement testing ELISA cost (£/head)

52

Cattle

B52 = 0.05*B70*(epidscen!Q23+epidscen!Q31)+epidscen!Q24*B90+epidscen!Q25*B89

Where

The parameter of value 0.05 represents the assumption that movement restriction will cost 5% of the value of the animal

epidscen!Q23= Number of cattle movement (live-live) lost in the counties where control will be undertaken

epidscen!Q24= Number of cattle vaccinated with PCR before movement (live-live) in the counties where control will be undertaken

epidscen!Q25= Number of cattle vaccinated with ELISA before movement (live-live) in the counties where control will be undertaken

epidscen!Q31= Number of cattle movement (live-slaughter) lost in the counties where control will be undertaken

B70= price of cattle (£ /head)

B90 = Pre-movement testing PCR cost (£/head)

B89= Pre-movement testing ELISA cost (£/head)

53

Cattle movement to slaughter costs - add to 'no license' CBA

B53 = epidscen!Q31*B70*0.15

Where

epidscen!Q31= Number of cattle movement (live-slaughter) lost in the counties where control will be undertaken

B70= price of cattle (£ /head)

The parameter of value 0.05 represents the assumed 15% reduction in live animal cost due to move to slaughter delay
(Loss in revenue due to decrease in price of cattle because of a reduction in price due to 'movement to slaughter' delays or increased costs.).

54

Sheep movement to slaughter costs

B54 = epidscen!Q32*B68*0.15

Where

epidscen!Q32= Number of sheep movement (live- slaughter) lost in the counties where control will be undertaken

B68= price of sheep (£ /head)

The parameter of value 0.05 represents the assumed 15% reduction in live animal cost due to move to slaughter delay (Loss in revenue due to decrease in price of cattle because of a reduction in price due to 'movement to slaughter' delays or increased costs.).

59

Increase in labour cost due to BTV infection

60

Cattle

B60 = ((7*epidscen!Q3)/480)*60*1

It was assumed that family labour will be used to supplement farm labour in the event of an incursion of BTV. As family labour has a low opportunity cost, labour cost was assumed to be £1/hour as in Gunn et al. (2004). Extra labour was assumed to be 7mins/morbid cattle per day.

Where

epidscen!Q3 = Number of Infected cattle

The parameter of value 7 (measure unit minutes) represents the number of minutes spent to nurse an infected animal

The constant 480 (measure unit minutes) represents the duration of a labour day, namely sum of 1 hour/day (60 minutes) to organise treatment regardless of flock size and 8hrs/day =420 minutes

The constant 60 represents the number of animals nursed by one family labourer.

The constant 1 represents the labour cost, which was assumed to be £1/hour.

61

Sheep

B61 = ((2*epidscen!Q4)/480)*60*1

It was assumed that family labour will be used to supplement farm labour in the event of an incursion of BTV. As family labour has a low opportunity cost, labour cost was assumed to be £1/hour as in Gunn et al. (2004). Extra labour was assumed to be 2 mins/morbid cattle per day.

Where epidscen!Q4 = Number of Infected Sheep

The parameter of value 2 (measure unit minutes) represents the number of minutes spent to nurse an infected animal

The constant 480 (measure unit minutes) represents the duration of a labour day, namely sum of 1 hour/day (60 minutes) to organise treatment regardless of flock size and 8hrs/day =420 minutes

The constant 60 represents the number of animals nursed by one family labourer.

The constant 1 represents the labour cost, which was assumed to be £1/hour.

62

Direct cost

B62=0.5*(B22+B23)+0.5*(B25+B26)+B27+B29+0.5*(B30+B31)+0.5*(B33+B34)+B36+0.5*(B38+B39)
+B40+B41+B42+B43+B44+0.5*(B5+B6)+0.5*(B8+B9)+B45+B46+B48+B49+B51+B52+B53+B54+B60

63

Avoided cost

B63=B62

95

Sheep BTV Vaccination

B95=B82*epidscen!Q6,

where B82= BTV Vaccine per sheep (£/head),

epidscen!Q6 =number of vaccinated sheep

96

Cattle BTV Vaccination

B96=B83*epidscen!Q5

where B83= BTV Vaccine per cow (£/head), epidscen!Q5 =number of vaccinated cows,

97

Sheep - Veterinary supervision, certification and animal identification - farm level

B97=epidscen!Q10*Cc

where epidscen!Q10= Number of infected Sheep farms,

Cc = certification cost per sheep farm

98

Sheep Veterinary supervision, certification and animal identification - for exports

B98=(50+9*10+(0*(DATA!J4*epidscen!Q38/DATA!J2)-10)*1.5)

As per RERAD communication it was assumed that all animals are vet administered and certified. Veterinary supervision, certification and animal identification ion cost as follows-: initial estimates of costs are 1 st cattle (£50), next 9 (£10 each), the rest (£1.5 each).

Where

DATA!J4 = total sheep export (heads)

DATA!J2= Total live domestic production of sheep (heads)

epidscen!Q38 =Total number of sheep in the PZ

The parameter of value 0 represents the assumption that all sheep exports from the PZ area are banned - as peak export time is outside the free-vector period (which is the only time when exports are allowed).

99

Cattle Veterinary supervision, certification and animal identification - farm level

B99=epidscen!Q9*Cc

where epidscen!Q9= Number of infected cattle farms,

Cc = certification cost per cattle farm. Cc was given as £80 per holding

100

Cattle Veterinary supervision, certification and animal identification - for exports

B100=(50+9*10+(0.33*(DATA!J34*epidscen!Q37/DATA!J32)-10)*5)

As per RERAD communication it was assumed that all animals are vet administered and certified. Veterinary supervision, certification and animal identification cost as follows-: initial estimates of costs are 1 st cattle (£50), next 9 (£10 each), the rest (£5 each).

Where DATA!J34 = total cattle exports (heads) ;

epidscen!Q37= Total number of cattle in the PZ

DATA!J32= Total live domestic production of cattle (heads)

The parameter of value 0.33 represents the assumption that cattle exports from the PZ area are allowed for 33% of the duration of the year.

101

Veterinary, medicine and other costs (cattle)

B101=B81*DATA!I32

where DATA!I32= Cattle total live production (heads),

B81= Veterinary and medicine cost per cattle (£/head)

102

Veterinary, medicine and other costs (sheep)

B102=B80*DATA!J32

where DATA!I32= sheep total live production (heads), B80= Veterinary and medicine cost per cattle (£/head)

103

Sheep BTV pre-testing PCR (imports)

B103=B90*DATA!J3*0.75

104

Cattle BTV pre-testing PCR (imports)

B104=B90*DATA!J33*0.75; where B90=Pre-movement testing PCR (£/head), B90 = Total cattle imports (heads)

106

Slaughtering cost for imported BTV infected sheep

B106=SUM(B101:B104)

107

Total treatment costs

108

Avoided cost

B108=B95+B96+B97+B98+B99+B100+B105+B106

Indirect costs - Public surveillance costs

110

Sheep BTV Vaccination

B110=0*B82*epidscen!Q6

This element of the cost was included as public sector cost or part of the surveillance cost in scenarios

111

Cattle BTV Vaccination

B111=0*B83*epidscen!Q6

112

Sheep Veterinary supervision, certification and animal identification

B112=0*(50+9*10+(epidscen!L38-10)*1.5)

Where

The parameter of value 0 is used to multiply the rest of the formula only in the spreadsheets for the 'Voluntary vaccination' scenarios to indicate no public costs regarding sheep veterinary supervision, certification and animal identification.

113

Cattle Veterinary supervision, certification and animal identification

B113=0*(50+9*10+(epidscen!L37-10)*5)

Where

The parameter of value 0 is used to multiply the rest of the formula only in the spreadsheets for the 'voluntary vaccination' scenarios to indicate no public costs regarding cattle veterinary supervision, certification and animal identification.

Sheep

115

Probable BTV surveillance costs

B115=Survecost!J26*0.02+700

It was assumed that 2% of total public sector surveillance constitute passive surveillance costs for sheep.

where Survecost!J26= surveillance cost as supplied by RERAD

The constant '700' represents the assumed routine cost for inspection of farms with suspicion of outbreak.

Cattle

117

Probable BTV surveillance and control costs

B117=Survecost!J26*0.005+300. It was assumed that 0.5% of total public sector surveillance constitutes passive surveillance costs for cattle and 300 represent…

118

Sheep BTV pre-testing ELISA for animal imported from the RUK

B118=DATA!J5*B89. where DATA!J5= Sheep total 'Imports' from the rest of UK (heads), - B89= ELISA pre- movement testing cost (domestic) (£/head)

119

Sheep BTV pre-testing PCR for animal imported from the RUK

B119=DATA!J5*B90. where DATA!J5= Sheep total 'Imports' from the rest of UK (heads), B90= PCR movement pre- testing cost (domestic) (£/head)

120

Cattle BTV pre-testing ELISA for animal imported from the RUK

B120=DATA!J35*B89

where DATA!J35= cattle total 'Imports' from the rest of UK (heads), B89= ELISA movement pre- testing cost (domestic) (£/head)

121

Cattle BTV pre-testing PCR for animal imported from the RUK

B121=DATA!J35*B90

where DATA!J35= cattle total 'Imports' from the rest of UK (heads), B90= PCR movement pre- testing cost (domestic) (£/head)

122

Total public surveillance cost and disease control costs ((incl. mail shots, ads, etc)

B122=B115+B117+B118+B119+B120+DATA!$B$132+DATA!$B$133

123

Avoided costs

B123=B110+B111+B112+B113

Apparent domestic consumption and export loss during disease outbreak (quantity)

125

Sheep live animals export loss (heads) (banned)

B125=DATA!J4*epidscen!Q38/DATA!J2

where DATA!J4= Sheep total export (heads); epidscen!Q38= Total number of sheep in the PZ; DATA!J2= Sheep total domestic production (heads)

126

Cattle live animals export loss (heads) (banned)

B126=DATA!J34*epidscen!Q37/DATA!J32-0.33*(DATA!J34*epidscen!Q37/DATA!J32)

where DATA!J34=Cattle total exports (heads),

epidscen!Q37= Total number of cattle in the PZ;

DATA!J32= Cattle total live production (heads);

DATA!J34= Cattle total exports (heads)

131

Sheep meat domestic consumption loss (kg) (change in domestic consumers perception)

B131=(DATA!J99*DATA!J20* 0.1)/B75

Price elasticity of demand was used to predict the likely price effects that BTV outbreak-related shortages may cause. It was assumed that when BTV breaks out it would have an almost instant impact on the amount meat products that will be consumed due to negative media coverage. Thus the formula used in the estimation of meat product do not include lags

where DATA!J99= own price elasticity of lamb (meat);

DATA!J20= Apparent domestic consumption of sheep meat (kg);

B75= Sheep meat price (£ /kg)

132

Beef domestic consumption loss (kg) (change in domestic consumers perception)

B132=(DATA!J102*DATA!J55*0.25)/B77

Price elasticity of demand was used to predict the likely price effects that BTV outbreak-related shortages may cause. It was assumed that when BTV breaks out it would have an almost instant impact on the amount meat products that will be consumed due to negative media coverage. Thus the formula used in the estimation of meat product do not include lags

where DATA!J102= own price elasticity of beef;

DATA!J55= Apparent domestic consumption of beef (kg);

B77= beef price (£ /kg)

134

Milk domestic consumption loss (litre) (change in domestic consumers perception)

B134=(1+((B78*0.96)/DATA!K169-1)*DATA!J103)*DATA!J67*0.999

Where

B78=milk price per litre

DATA!K169= milk price per litre

DATA!J103 = Milk own price elasticity

DATA!J67= Apparent domestic population milk consumption (litres)

It was assumed that when BTV disease occurs milk would not be immediately affected media coverage of the disease. Therefore the estimation of BTV outbreak include lags to simulate slow response of milk consumers.

Indirect Cost Apparent domestic consumption and export losses

136

Sheep live animals export loss (banned)

B136=B125*B68*DATA!J88 where B125= Sheep live animals export loss (heads) ; B68= Sheep price (£ /head); DATA!J88 = input output multiplier for sheep

137

Cattle live animals export loss (banned)

B137=B126*B70*DATA!J89

where B126= cattle live animals export loss (heads) ; B70= cattle price (£ /head); DATA!J88 = input output multiplier for cattle

142

Sheep meat domestic consumption loss (change in domestic consumers perception)

B142=B131*B75

where B131=Sheep meat domestic consumption loss (kg) (change in domestic consumers perception); B75= price of Sheep meat (£ /kg)

143

Beef domestic consumption loss (change in domestic consumers perception)

B143=B132*B77

where B132=beef meat domestic consumption loss (kg) (change in domestic consumers perception); B77= price of beef meat (£ /kg)

145

Milk domestic consumption loss (change in domestic consumers perception)

B145=(DATA!J67-B134)*B78

where DATA!J67= Apparent domestic milk consumption (litres); B134= milk domestic consumption loss (litres) (change in domestic consumers perception); B78= price of milk (£ /litre)

146

Total indirect cost

B146=SUM(B136:B145)

147

Avoided cost

B147=SUM(B136:B145)

Estimated indirect cost of disease (assume no license for move-to-slaughter - than add lines 53, 54)

149

Estimated indirect cost of disease

B149=B146+B123+B122

150

Estimated direct cost of disease

B150=B62+B107

Estimated direct and indirect cost of disease (£million)

152

Estimated direct and indirect cost of disease

B152=B149+B150

Cost and Benefit Analysis

155

Undiscounted Benefit (avoided cost)

B155=B63+B108+B123+B147

156

Discounted Benefit

B156=B155/(1+0.035) r

where 0.035 represent the discount rate, r=0 in year 1, 1 in year 2 etc

157

Undiscounted Cost

B157=B107+B122

158

Discounted cost

B158=B157/(1+0.035) r where 0.035 represent the discount rate, r=0 in year 1, 1 in year 2 etc

Estimated indirect cost of disease (assume license for move-to-slaughter)

161

Estimated indirect cost of disease

B161=B146+B123+B122

162

Estimated direct cost of disease

B162=B62+B107

Estimated direct and indirect cost of disease (£million) (assume license for move-to-slaughter)

164

Estimated direct and indirect cost of disease

B164=B161+B162

Cost and Benefit Analysis (assume license for move-to-slaughter)

167

Undiscounted Benefit (avoided cost)

B167=B63+B108+B123+B147-B53-B54

168

Discounted Benefit

B168=B167/(1+0.035) r . where 0.035 represent the discount rate, r=0 in year 1, 1 in year 2 etc

169

Undiscounted Cost

B169=B107+B122

170

Discounted cost

B170=B169/(1+0.035) r . where 0.035 represent the discount rate, r=0 in year 1, 1 in year 2 etc

171

CBA ratio ( assume no license for move-to-slaughter)

B171=SUM(C156:G156)/ SUM(C158:G158)

172

CBA ratio ( assume with license for move-to-slaughter)

B172=SUM(C168:G168)/ SUM(C170:G170)

Table 2.i: Sample of economic costing spreadsheet model

A

B

C

D

E

F

Disease:

Blue Tongue Virus

System affected:

Sheep and Cattle

Year

2009

2010

2011

2012

2013

12

Weight loss (% of biomass)

13

Sheep

14

low

0.10

15

high

0.15

16

Beef cow

17

low

0.05

18

high

0.10

Valuation of effects (£)

Direct Cost-Cost due to BTV disease effects (direct Cost)

27

Cattle milk loss

0.00

4.47

2.64

1.42

0.00

28

Weight loss (% of biomass)

29

Sheep/Lamb

30

low

0.505

0.060

0.039

0.020

0.000

31

high

0.758

0.090

0.059

0.030

0.000

32

Cattle

33

low

8.336

2.498

1.673

0.849

0.000

34

high

7.628

0.878

0.588

0.298

0.000

35

Abortion/Infertility

36

Sheep

0.34

0.04

0.03

0.01

0.00

37

Cattle

38

Dairy cattle

0.01

0.00

0.00

0.00

0.00

39

Beef cattle

0.03

0.01

0.01

0.00

0.00

40

Sheep mortality

2.42

0.41

0.27

0.14

0.00

41

Cattle mortality

6.92

0.00

0.00

0.00

0.00

42

Wool loss

1.64

0.19

0.13

0.07

0.00

43

Veterinary cost of morbid sheep

1.02

0.12

0.08

0.04

0.00

44

Veterinary cost of morbid cattle

29.64

8.88

5.95

3.02

0.00

45

Sheep carcass disposal cost

1.20

0.20

0.13

0.07

0.00

46

Cattle carcass disposal cost

0.75

0.00

0.00

0.00

0.00

47

Palliative Care

48

Sheep

115.72

1,211.78

1,211.78

1,211.78

1,211.78

49

Cattle

71.67

4,326.04

4,326.04

4,326.04

4,326.04

50

Movement restrictions (includes PCR and ELISA pre-testing cost)

0.00

0.00

0.00

0.00

0.00

51

Sheep

0.00

0.00

0.00

0.00

0.00

52

Cattle

0.00

0.00

0.00

0.00

0.00

53

Cattle movement to slaugher costs - add to 'no license' CBA

0.00

0.00

0.00

0.00

0.00

54

Sheep movement to slaugher costs

0.00

0.00

0.00

0.00

0.00

55

Movement to slaughter license cost

0.00

0.00

0.00

0.00

0.00

59

Increase in labour cost due to BTV infection

60

Cattle

2.16

0.65

0.43

0.22

0.00

61

Sheep

0.28

0.03

0.02

0.01

0.00

62

Direct cost

242.11

5,554.54

5,548.66

5,543.40

5,537.81

63

Avoided cost

242.11

5,554.54

5,548.66

5,543.40

5,537.81

Direct cost-Private treatment costs

95

Sheep BTV Vaccination - include this as private cost for 'voluntary vacc.' scen. (c3a-e, c4a-e,c5e)

1,048,641.61

0.00

0.00

0.00

0.00

96

Cattle BTV Vaccination

553,265.74

0.00

0.00

0.00

0.00

97

Sheep - Veterinary supervision, certification and animal identification - farm level

59.20

4.80

3.22

1.63

0.00

98

Sheep Veterinary supervision, certification and animal identification - for exports

125.00

125.00

125.00

125.00

125.00

99

Cattle Veterinary supervision, certification and animal identification - farm level

80.80

8.80

5.90

2.99

0.00

100

Cattle Veterinary supervision, certification and animal identification - for exports

5,827.92

6,884.72

5,250.21

2,967.52

90.00

101

Veterinary/medicine and other costs (cattle)

22,002,000

23,128,697

22,948,596

22,951,566

22,908,917

102

Veterinary/medicine and other costs (sheep)

5,548,551.00

5,505,345.00

5,506,057.50

5,495,826.00

5,480,692.50

103

Sheep BTV pre-testing PCR (imports)

459,189.68

447,093.00

432,590.51

418,826.14

405,501.41

104

Cattle BTV pre-testing PCR (imports)

121,015.80

112,176.21

108,084.49

124,510.05

153,570.94

105

Slaughtering cost for imported BTV infected cattle

0.00

0.00

0.00

0.00

0.00

106

Slaughtering cost for imported BTV infected sheep

0.00

0.00

0.00

0.00

0.00

107

Total treatment costs

28,130,757

29,193,311

28,995,329

28,990,728

28,948,682

108

Avoided cost

1,608,000.27

7,023.32

5,384.32

3,097.15

215.00

Indirect costs - Public surveillance costs

110

Sheep BTV Vaccination - include this as public cost for 'compulsory vacc.' scen. (c2a,c2b,c2c,c2d,c2e)

0.00

0.00

0.00

0.00

0.00

111

Cattle BTV Vaccination - include this as public cost for 'compulsory vacc.' scen. (c2a,c2b,c2c,c2d,c2e)

0.00

0.00

0.00

0.00

0.00

112

Sheep Veterinary supervision, certification and animal identification

0.00

0.00

0.00

0.00

0.00

113

Cattle Veterinary supervision, certification and animal identification

0.00

0.00

0.00

0.00

0.00

110

Sheep

151

Probable BTV surveillance costs

480,977.58

512,246.69

543,515.80

574,784.90

606,054.01

116

Cattle

117

Probable BTV surveillance and control costs

120,369.39

128,186.67

136,003.95

143,821.23

151,638.50

118

Sheep BTV pre-testing ELISA for animal imported from the RUK

101,633.98

98,956.58

95,746.70

92,700.19

89,750.98

119

Sheep BTV pre-testing PCR for animal imported from the RUK

508,169.91

494,782.92

478,733.50

463,500.93

448,754.90

120

Cattle BTV pre-testing ELISA for animal imported from the RUK

26,784.83

24,828.34

23,922.70

27,558.22

33,990.37

121

Cattle BTV pre-testing PCR for animal imported from the RUK

133,924.15

124,141.68

119,613.50

137,791.12

169,951.84

122

Total public surveillance cost and disease control costs ((incl. mail shots, ads, etc)

1,237,935.69

1,259,001.20

1,277,922.64

1,302,365.47

1,330,188.76

123

Avoided costs

0.00

0.00

0.00

0.00

0.00

Apparent domestic consumption and export loss during disease outbreak (quantity)

125

Sheep live animals export loss (heads) (banned)

25,047.26

13,666.88

8,697.84

4,200.95

0.00

126

Cattle live animals export loss (heads) (banned)

2,329.94

1,675.92

1,272.77

709.74

0.00

131

interim calc Sheep meat domestic consum86ption loss (kg) (change in domestic consumers perception)

271,063.50

216,188.93

189,691.65

132,844.24

118,522.15

132

interim calc Beef domestic consumpti89on loss (kg) (change in domestic consumers perception)

9,605,627.98

9,457,944.98

9,339,126.49

9,407,765.81

9,358,001.02

134

Milk domestic consumption loss (litre) (change in domestic consumers perception)

175,333,234

177,013,912

172,267,526

172,905,487

173,321,697

Indirect Cost Apparent domestic consumption and export losses

136

Sheep live animals export loss (banned)

1,815,575.68

1,020,424.02

634,072.85

309,802.97

0.00

137

Cattle live animals export loss (banned)

2,901,758.92

2,155,910.50

1,737,294.31

1,000,155.15

0.00

142

Sheep meat domestic consumption loss (change in domestic consumers perception)

2,114,295.32

1,707,892.58

1,517,533.24

1,076,038.37

971,881.62

143

Beef domestic consumption loss (change in domestic consumers perception)

64,517,801.24

64,944,555.54

65,529,538

67,422,322

68,469,374

145

Milk domestic consumption loss (change in domestic consumers perception)

712,460

496,402.48

1,368,447

1,328,923

1,326,940

146

Total indirect cost

72,061,891

70,325,185

70,786,885

71,137,241

70,768,196

147

Avoided cost

72,061,891

70,325,185

70,786,885

71,137,241

70,768,196

Estimated indirect cost of disease (assume no license for move-to-slaughter)

149

Estimated indirect cost of disease

73,299,826.36

71,584,186.31

72,064,808

72,439,606

72,098,385

150

Estimated direct cost of disease

28,130,998.59

29,198,866

29,000,877

28,996,272

28,954,219

Estimated direct and indirect cost of disease (£million) (assume no license for move-to-slaughter)

152

Estimated direct and indirect cost of disease

101,430,825

100,783,052

101,065,685

101,435,878

101,052,604

Cost and Benefit Analysis (assume no license for move-to-slaughter)

2009

2010

2011

2013

155

Undiscounted Benefit (avoided cost)

73,670,133

70,337,762.97

70,797,818

71,145,881

70,773,949

156

Discounted Benefit

73,670,133.06

67,959,191.28

66,090,521

64,169,509

61,675,407

157

Undiscounted Cost

29,368,692.17

30,452,312.21

30,273,251

30,293,094

30,278,870

158

Discounted cost

29,368,692.17

29,422,523.88

28,260,404

27,322,635

26,386,286

Estimated indirect cost of disease (assume license for move-to-slaughter)

161

Estimated indirect cost of disease

73,299,826

71,584,186

72,064,808

72,439,606

72,098,385

162

Estimated direct cost of disease

28,130,999

29,198,866

29,000,877

28,996,272

28,954,219

Estimated direct and indirect cost of disease (£million) (assume license for move-to-slaughter)

164

Estimated direct and indirect cost of disease

101,430,825

100,783,052

101,065,685

101,435,877

101,052,604

167

Undiscounted Benefit (avoided cost)

73,670,133

70,337,763

70,797,818

71,145,881

70,773,948

168

Discounted Benefit

73,670,133.06

67,959,191.28

66,090,521

64,169,509

61,675,407

169

Undiscounted Cost

29,368,692

30,452,312

30,273,251

30,293,094

30,278,870

170

Discounted cost

29,368,692

29,422,524

28,260,404

27,322,635

26,386,286

171

CBA ratio (assume no license for move-to-slaughter)

2.42

172

CBA ratio (assume with license for move-to-slaughter)

2.42

References

Bennett, R. M., Christiansen, K. & Clifton-Hadley, R. (1999). Preliminary estimates of the direct costs associated with endemic diseases of livestock in Great Britain. Preventive Veterinary Medicine 39, 155-171.

Conington, J., Bishop, S. C., Waterhouse, A., and Simm, G. (2004). A bioeconomic approach to derive economic values for pasture-based sheep genetic improvement programs. Journal of Animal Science 82, 1290-1304.

Defra (2007) Bluetongue: Economic assessment of moving bluetongue SZ to All England. Defra, London.

Gunn, G. J., Stott, A. W., and Humphry, R. W. (2004). Modelling and costing BVD outbreaks in beef herds. The Veterinary Journal 167, 143-149.

Malcolm, B. (2003). What Price Animal Health - And Whose Problem is it Anyway? Agribusiness Perspectives Papers, 59, 55-61

McInerney, J. (1996). Old economics for new problems - livestock disease: Presidential address. Journal of Agricultural Economics 47: 295-314.

Menzies, F.D., Crockford, T., Breck, O. and Midtlyng, P.J., (2002). Estimation of direct costs associated with cataracts in farmed Atlantic salmon ( Salmo salar). Bulletin of European Association of Fish Pathologists, 22-1, 22-27.

Mahul, O. and Durand, B. (2000). Simulated economic consequencies of foot-and-mouth disease epidemics and their public control in France. Preventive Veterinary Medicine 47, 23-38.

Moran, D., and Fofana, A. (2007). An economic evaluation of the control of three notifiable fish diseases in the United Kingdom. Preventive Veterinary Medicine 80, 193-208.

Santarossa, J. M., A. W. Stott, et al. (2004). An economic evaluation of long-term sustainability in the dairy sector. Animal Science 79: 315-325

A.G.J. Velthuis 1, H. Saatkamp 1, M.C.M. Mourits 1, A.A. de Koeijer 2 en A.R.W. Elbers 2
(2008) Kostenbaten analyse Bluetongue Schade epidemieën 2006 en 2007 en evaluatie vaccinatiestrategieën 1 Bedrijfseconomie, Wageningen Universiteit 2 Divisie virologie, Centraal Veterinair INSTITUUT, WUR

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