1 A cow cycles (comes into oestrous) every 21 days
2 Cycling cows ride each other to assert dominance 3 Tail painting is the best way of checking when cows are cycling 4 There are two types of breeding, AI (artifiical insemintion) or natural 5 AI is common in the dairy industry and natural mating is more often used in the beef sector 6 For natural mating an ideal ratio is 1 bull to 10-25 cows 7 Bull fertility will begin to decline after 6-7 years of age 8 The average gestation period of a cow is 283 days so a cow successfully mated on the 22 October is due on 1 August. Euan.
0 Comments
Leave a Reply. |
AuthorDIY advice for lifestylers, written by Kiwi Cattle Yards owner, Euan Seymour. Archives
April 2017
Categories
All
|