Bovine Reproduction Flashcards
When does puberty occur in cows?
10-12 months
What type of estrus cycle does a cow have?
Non seasonal poly estrous
How long is the cows estrus cycle?
21 days long
How long does a cows heat cycle last?
12-20 hours
How long is. A cows gestation?
283 days
When does ovulation occur?
12-18 hours after the end of heat cycle
When do most cows get bred?
At about 15 months
When are cows bred?
16-18 hours after standing heat
What are some things estrus synchronization helps with?
Helps with heat detection and shortens the calving season
When can you textually palpation for a baby?
30 days
When can you ultrasound for a baby?
24 says
When can you determine the sex?
55-70 days
What are three causes of bovine dystocia?
Fetal oversize, maternal undersize, fetal malodor ion
When would you need to assist in the delivery?
No progress is made for two hours, cow is straining unproductively, abnormal presentation of calf
Where would you cut into a cow for a cesarean section?
Left side para lumbar fossa
What are five reasons for abortion in cows?
Bacterial brucellosis, salmonellosis, viral bovine disease, protozoan, nutritional
What is periparturient hypocalcemia or milk fever?
Nt enough calcium
What can you use to help milk fever?
Give calcium glauconate IV, SQ, or PO
How would you prevent milk fever?
Feed quality grass hay prior to birth, avoid mineral supplements, supplement highly digestible protien and energy feed
What is ketosis or acetonemia?
Occurs during the last month if gestation and first sixty days of lactation and with multiple fetuses.
What are the two types if ketosis?
Wasting and nervous
What is wasting ketosis?
Rapid weight loss, anorexia, decreased milk production
What is nervous ketosis?
Ataxia, nervous system, stuff
