Comparisons + Vitals

Question 1

What type of penis do bulls, boars, stallions and rams have

Answer 1

Boars - Cork-screw, sigmoid flexure
Rams - Fibroelastic

Question 2

Are cows, mares, sows and sheep seasonal or non-seasonal breeders? Long-duration or short-duration? Short/long-day?

Answer 2

Sows - non-seasonal, long-duration
Sheep - Short-duration, Short-day breeders
Horses - Intermediate duration breeders, long day breeders(spring)
Cows - Year round, short duration

Question 3

What are some normal vital parameters? HR, RR, temp

Answer 3

Bovine - 48-84bpm, 26-50RR
Equine - 28-40bpm, 10-14RR
Porcine - 70-120 bpm, 32-58RR
Ovine - 70-80bpm, 16-34RR

Question 4

What are the different travel reqs for sheep/cattle/pigs/horses

Answer 4

Sheep - 36 hrs w/o FWR, unload 8 hrs access to feed/water

Question 5

What is the estrous and estrus cycles of cows, sows, mares and ewes

Answer 5

Ewes - Estrus (17d), Estrus (30hrs)
Cows - Estrous (21d), Estrus (20hr)
Mares - Estrous (21d), Estrus (5d)
Sows - Estrous (21d), Estrus (1-3d)

Question 6

How long are the gestation periods of mares, cows, sows and ewes. Placenta type?

Answer 6

Ewes - 147 d, cotyledonary
Cows - 283d, cotyledonary
Sows - 114d, epitheliochorial
Mares - 340d, diffuse cotyledonary