Playful behaviour of cattle, increased activity on the part of the bulls, cattle that 'sleep' (chiisa) at night for long periods and chew the cud, a full rumen and 'polished' body hair are all indicators of favourable conditions (Roba and Oba 2008).
Hybrid male and female progeny of yak bull and cattle.
Classes for sale cattle include the following: Bulls: bull calf, weaner/weanling bull, yearling bull, 2-year old bull, mature bull, bologna bull Cows: bred cow, open cow, three-in-one (cow bred with calf at side), cutter cow, canner cow, slaughter cow.
Therefore, this study was designed in order to determine the animal- and herd-level prevalences of campylobacteriosis and trichomonosis in mature bulls in cattle herds in three important cattle producing states of northern Nigeria, as well as the concurrence of the two infections with each other and with B. abortus infection.
Described as wife, mother, bull catcher, pilot, cattle musterer, cook, bulldozer driver and accomplished horsewoman, Marlee and her husband also now run the cattle station as a guesthouse.
The role of Mn2+ was examined during the cryopreservation of cattle bull semen, and the addition of Mn to the egg-yolk-citrate extender + glycerol (EYC-G) dilutor was found to improve the quality/fertility of the semen, resulting in improved success rates of in vitro fertilization and artificial insemination [ 21].
If you do a search on the Web and type in "bull sales" or "cattle sales" in the heading of such popular search engines as Google or Yahoo!, you will find different pictures of cattle to study from.
You may wish to take a course in Artificial Insemination provided by a company that sells bull semen to cattle producers (like Genex, Semex, Select Sires, etc). to get a better understanding and get better instruction (and practice) of how to preg-check cows.
Accompanied by Kansas ranchers who produce so-called feed stock, or purebred bulls for other cattle farmers, the governor is visiting Russia and Kazakhstan this month.
Several minor variations are known: in man, gestation for males is three to four days longer than that for females; and in cattle, bulls are carried about one day longer than heifers.
