View Full Table | Close Full ViewTable 1.

Hospital treatment protocol provided by Vet-Agri Health Services (VAHS) of initial treatment therapy administered to cattle based on lameness diagnosis

 
Diagnosis Initial treatment therapy
Foot rot LA-200
Foot rot Heavy Excenel and Dexamethasone
Injury No treatment given unless there is evidence of an infection
Joint Infection Resflor
Lameness – No Swelling Resflor



View Full Table | Close Full ViewTable 2.

Descriptive statistics used to estimate average net return of cattle diagnosed and treated as lame stratified by treatment number

 
Diagnosis Treatment Arrival weight, median kg Treatment weight, median kg DOF at treatment, median d ADG at treatment, median kg/d Cost of treatment, median $
Foot rot 1 296 492 130 1.34* 10.9
2 303 503 141 1.27* 11.6
3 299 499 133 1.14* 11.8
Foot rot Heavy 1 318 591* 177 1.57* 15.2
Injury 1 281 354* 49 0.871* 9.3
Joint Infection 1 261 295* 39 0.644* 25.0
Lame No Swelling 1 258 279* 26 0.526* 21.6
*Significant with all other values within column (P < 0.05).
aNot significant compared to c (P = 0.223).
bNot significant compared to c and d (P = 0.613 and 0.340, respectively).
cNot significant with d (P = 0.265).
dSignificant compared to a, e, and f (P = 0.0001).
eSignificant compared with all other values within column (P <0.05).
fSignificant compared with a, b, c, d, and e (P = 0.0001).
gNot significant with f (P = 0.652).
hNot significant with j (P = 0.452).
iNot significant with j (P = 0.073).
jSignificant compared with all other values within column (P <0.05).
1DOF = Days on Feed.
2ADG = Average Daily Gain.
3All costs of treatment are in $CAN.



View Full Table | Close Full ViewTable 3.

Descriptive statistics used to estimate average net return of cattle diagnosed and treated as lame stratified by cattle type: fall heifer calves (FHC), fall steer calves (FSC), winter heifer calves (WHC), winter steer calves (WSC), yearling heifers (YH), and yearling steers (YS)

 
Diagnosis Cattle type Arrival weight, median kg Treatment weight, median kg DOF at treatment, median d ADG at treatment, median kg/d Cost of treatment, median $
Foot rot FHC 263 481 174 1.31 10.7
FSC 267 503 164 1.37 11.6
WHC 281 417 124 1.22 8.9
WSC 286 454 102 1.27 9.6
YH 395 490 62 1.35 11.3
YS 422 510 59 1.48 11.1
Foot rot Heavy FHC 227 482 266 1.02 11.9
FSC 318 593 177 1.57 15.2
YH 345 590 144 1.70 14.1
Injury FHC 236 293 58 0.72 9.8
FSC 274 322 44 0.90 10.7
WHC 239 349 91 0.92 5.0
WSC 218 279 77 0.74 0.9
YH 369 411 39 0.75 9.6
YS 420 465 49 1.02 7.7
Joint Infection FHC 233 272 43 0.56 24.9
FSC 261 286 37 0.58 25.7
WHC 235 272 42 0.65 21.8
WSC 221 277 62 0.73 23.8
YH 376 426 30 0.77 25.1
YS 398 454 50 0.99 20.8
Lame No Swelling FHC 241 264 23 0.54 23.5
FSC 253 272 26 0.45 22.2
WHC 215 288 67 0.87 8.5
WSC 244 298 56 0.63 10.2
YH 383 406 19 0.71 13.2
YS 372 445 61 0.95 11.9
1DOF = Days on Feed.
2ADG = Average Daily Gain.
3All costs of treatment are in $CAN.



View Full Table | Close Full ViewTable 4.

Descriptive statistics used to estimate average net return of cattle diagnosed and treated as lame stratified by season of treatment: spring, summer, fall, and winter

 
Diagnosis Season of treatment Arrival weight, median kg Treatment weight, median kg DOF at treatment, median d ADG at treatment, median kg/d Cost of treatment, median $
Foot rot Spring 295 519 160 1.43 11.6
Summer 308 499 144 1.30 11.7
Fall 363 454 52 1.17 9.0
Winter 276 408 106 1.08 8.6
Foot rot Heavy Spring 318 596 177 1.58 15.2
Sumer 224 490 255 1.08 11.9
Fall 345 590 144 1.70 14.1
Injury Spring 272 413 125 0.95 9.9
Summer 274 450 99 1.13 4.4
Fall 280 306 24 0.69 9.6
Winter 288 361 68 0.89 8.8
Joint Infection Spring 261 372 78 0.92 18.2
Summer 276 397 112 0.92 21.4
Fall 257 272 28 0.41 25.8
Winter 262 315 63 0.75 25.1
Lame No Swelling Spring 315 406 78 0.93 9.8
Summer 309 395 23 0.58 11.7
Fall 254 267 21 0.37 22.8
Winter 260 312 62 0.78 19.1
1DOF = Days on Feed.
2ADG = Average Daily Gain.
3All costs of treatment are in $CAN.



View Full Table | Close Full ViewTable 5.

Variable inputs used within the net return modeling tree to calculate the estimated net return of non-treated healthy cattle, cattle that recovered, were railed, or died for each lameness diagnose category stratified by treatment, cattle type and season

 
Variable Value Unit Source
Cost to finish cattle 3 $/d Expert Opinion
Average 2005 to 2015 slaughter price 100 $/45.4 kg (StatisticsCanada, 2016)
Average 2005 to 2015 rail price 50 $/45.4 kg Estimate
High 2015 slaughter price 174 $/45.4 kg (StatisticsCanada, 2016)
High 2015 rail price 87 $/45.4 kg Estimate
Low 2009 slaughter price 76 $/45.4 kg (StatisticsCanada, 2016)
Low 2009 rail price 38 $/45.4 kg Estimate
Average railed cattle annually of total feedlot capacity (n = 140,000) 0.42 % Expert Opinion
Average daily gain of healthy cattle 1.36 kg/d (CanFax, 2013)
Optimum slaughter weight 635 kg (CanFax, 2013)
Minimum rail weight 453 kg Estimate
Minimum arrival weight 136 kg (Cernicchiaro et al., 2013)
Minimum weight at date of treatment 136 kg (Cernicchiaro et al., 2013)
1All values in $CAN.



View Full Table | Close Full ViewTable 6.

Estimated net return of cattle that recovered, were railed or died after final treatment with foot rot, foot rot heavy, injury, joint infection and lame with no visible swelling stratified by cattle type: fall heifer calves (FHC), fall steer calves (FSC), winter heifer calves (WHC), winter steer calves (WSC), yearling heifers (YH) and yearling steers (YS) based on average slaughter and rail prices over the period 2005 to 2015 ($100/45.4 kg and $50/45.4 kg, respectively)

 
Diagnosis Cattle type Final treatment
Recovered Railed Died
Foot rot Average $568.70 $77.29* –$472.70
FHC $725.30 $300.90* –$214.00
FSC $374.30 –$69.10* –$587.10
WHC $576.10 $33.60* –$501.30
WSC $457.10 $47.80* –$488.70
YH $793.30 $264.50* –$295.50
YS $866.10 $319.60* –$251.30
Foot rot Heavy Average $695.50 $31.50* –$621.20
Injury Average $259.80 –$15.10 –$171.30
FHC –$161.30 –$306.60 –$136.80
FSC $247.20 –$52.70 –$117.70
WHC $219.80 –$88.90 –$249.00
WSC –$173.90 –$342.10 –$137.90
YH $408.90 $227.50 –$103.60
YS $787.00 $401.80* –$110.70
Joint Infection Average –$286.60 –$341.50 –$102.00
FHC –$632.90 –$572.90 –$112.90
FSC –$473.40 –$443.20 –$82.70
WHC –$362.00 –$434.40 –$106.80
0 WSC –$202.80 –$366.60 –$148.80
YH $455.80 $257.60 –$137.10
YS $710.40 $354.40* –$146.80
Lame No Swelling Average –$701.40 –$566.90 –$854.60
FHC –$703.60 –$611.80 –$893.50
FSC –$1,059.20 –$759.20 –$859.20
WHC $40.90 –$237.30 –$935.50
WSC –$323.30 –$366.20 –$874.20
YH $369.70 $234.00 –$571.20
YS $626.00 $297.40 –$593.90
*Animals were > 453 kg at time of treatment and then railed; remaining animals were fed to 453 kg and then railed.
1All values in $CAN.



View Full Table | Close Full ViewTable 7.

Estimated net return of cattle that recovered, were railed or died after final treatment with foot rot stratified by cattle type: fall heifer calves (FHC), fall steer calves (FSC), winter heifer calves (WHC), winter steer calves (WSC), yearling heifers (YH) and yearling steers (YS) based on high cattle prices in 2015 (slaughter price $174/45.4 kg and rail slaughter price $87/45.4 kg) and low cattle prices in 2009 (slaughter price $76/45.4 kg and rail slaughter price $38/45.4 kg)

 
Cattle type Final treatment
High prices
Low prices
Recovered Railed Died Recovered Railed Died
Average $1,604.70 $484.20* –$472.70 $232.70 –$54.70* –$472.70
FHC $1,761.30 $682.00* –$214.00 $389.30 $177.30* –$214.00
FSC $1,410.30 $314.20* –$587.10 $38.30 –$193.40* –$587.10
WHC $1,612.10 $429.50* –$501.30 $240.10 –$94.70* –$501.30
WSC $1,493.10 $444.80* –$488.70 $121.10 –$80.90* –$488.70
YH $1,829.30 $678.90* –$295.50 $457.30 $130.10* –$295.50
YS $1,902.10 $742.10* –$251.30 $530.10 $182.60* –$251.30
*Animals were > 453 kg at time of treatment and then railed.
1All values in $CAN.



View Full Table | Close Full ViewTable 8.

Estimated net return of cattle that recovered, were railed or died after final treatment with foot rot heavy, injury, joint infection and lame with no visible swelling stratified by cattle type: fall heifer calves (FHC), fall steer calves (FSC), winter heifer calves (WHC), winter steer calves (WSC), yearling heifers (YH) and yearling steers (YS) based on high cattle prices in 2015 (slaughter price $174/45.4 kg and rail slaughter price $87/45.4 kg) and low cattle prices in 2009 (slaughter price $76/45.4 kg and rail slaughter price $38/45.4 kg)

 
Diagnosis Cattle type Final treatment
High prices
Low prices
Recovered Railed Died Recovered Railed Died
Foot rot Heavy Average $1,731.50 $513.90* –$621.20 $359.50 –$124.90* –$621.20
Injury Average $1,295.80 $354.80 –$171.30 –$76.10 –$135.10 –$171.30
FHC $874.60 $63.30 –$136.80 –$497.30 –$426.60 –$136.80
FSC $1,283.20 $317.20 –$117.70 –$88.70 –$172.70 –$117.70
WHC $1,255.80 $281.00 –$249.00 –$116.10 –$208.90 –$249.00
WSC $862.10 $27.80 –$137.90 –$509.90 –$462.19 –$137.90
YH $1,444.90 $597.50 –$103.60 $72.90 $107.51 –$103.60
YS $1,823.00 $781.00* –$110.70 $451.00 $278.80* –$110.70
Joint Infection Average $749.40 $28.40 –$102.00 –$622.60 –$461.50 –$102.00
FHC $403.00 –$202.95 –$112.90 –$968.90 –$692.90 –$112.90
FSC $562.50 –$73.21 –$82.70 –$809.40 –$563.20 –$82.70
WHC $673.90 –$64.40 –$106.80 –$698.00 –$554.40 –$106.80
WSC $833.10 $3.30 –$148.80 –$538.80 –$486.60 –$148.80
YH $1,491.80 $627.60 –$137.10 $119.80 $137.60 –$137.10
YS $1,746.40 $724.80* –$146.80 $374.40 $233.90* –$146.80
Lame No Swelling Average $334.50 –$196.90 –$854.60 –$1,037.40 –$686.90 –$856.60
FHC $332.40 –$241.80 –$893.50 –$1,039.60 –$731.80 –$893.50
FSC –$23.20 –$389.25 –$859.20 –$1,395.20 –$879.20 –$859.20
WHC $1,076.90 $132.70 –$935.50 –$295.00 –$357.30 –$935.50
WSC $712.60 $3.70 –$874.20 –$659.30 –$486.20 –$874.20
YH $1,405.70 $604.00 –$571.20 $33.70 $114.00 –$571.20
YS $1,662.00 $667.40 –$593.90 $290.00 $177.40 –$593.90
*Animals were > 453 kg at time of treatment and then railed; remaining animals were fed to 453 kg and then railed.
1All values in $CAN.



View Full Table | Close Full ViewTable 9.

Estimated net return of cattle that recovered, were railed or died after final treatment with foot rot, foot rot heavy, injury, joint infections and lame with no visible swelling stratified by season of treatment based on the average slaughter and rail prices over the period 2005 to 2015 ($100/45.4 kg and $50/45.4 kg, respectively)

 
Diagnosis Season of treatment Final treatment
Recovered Railed Died
Foot rot Spring $518.90 –$12.20* –$572.20
Summer $528.20 $71.79* –$488.20
Fall $655.20 $272.50* –$227.40
Winter $419.20 $40.98 –$344.20
Foot rot Heavy Spring $694.90 $27.75* –$627.20
Injury Spring $259.20 –$15.70 –$171.90
Summer $513.00 $244.90 –$395.40
Fall –$91.20 –$206.80 –$69.60
Winter $309.30 $18.40 –$170.80
Joint Infection Spring $278.10 –$30.70 –$266.20
Summer $334.10 $25.30 –$291.40
Fall –$1,299.10 –$880.50 –$61.80
Winter –$11.30 –$42.80 –$143.10
Lame No Swelling Spring $448.60 $133.90 –$717.80
Summer –$34.30 –$4.00 –$731.70
Fall –$1,587.80 –$1,042.00 –$864.80
Winter $37.20 –$173.00 –$847.10
*Animals were > 453 kg at time of treatment and then railed; remaining animals were fed to 453 kg and then railed.
1All values in $CAN.