Dairy Cattle Production Flashcards
(41 cards)
An animal of a recognized Bree is called a
Purebred
Offspring resulting from mating of purebred sure with a grade/native or between dairy animals not purebred
Dairy grade
Genetically unimproved animals that lack dairy characteristics
Scrubs
Biggest dairy cattle breed
Holstein Friesian
Smallest dairy cattle breed
Jersey
Dairy cattle breed that produces the highest volume of milk
Holstein Fresian
Dairy cattle breed known to produce milk high in beta-carotene
Guernsey
Calves are the youngest group of dairy cattle whose age falls from birth to
3months
Group of dairy cattle that falls in the age group of 12 months to breeding size
Yearling heifers
Growing animals
3-12 months
Breedable heifers
Breeding size to calving
Target breeding weight of heifers
250-300kg
Ideal breeding age of heifers
14-15 months of age
Period of time that occurs in sexually mature, non- pregnant female cattle, when they are receptive to mounting or riding activity by a bull or other cows
Estrus
Interval from the first signs of sexual receptivity at estrus to the start of the next estrus
Estrus cycle
Average estrus cycle of dairy cattle
21 days average
Cows come into estrus any time of the year
True
Internal examination of the ovaries via the rectum
Rectal palpation(60 days after successful breeding)
Gestation period of cattle
280-283 days 9months
Ideal calving age of heifers
2years old
Difficulty in calving
Dystocia
The first milk a female produces after the young is born
Colostrum
Must be provided with the first 1-12 hours of life
Colostrum
Return of uterus to its normal size and condition after calving
Uterine involution ave. 45 days voluntary waiting period