Reproductive programs for beef cattle: incorporating management and reproductive techniques for better fertility
نویسندگان
چکیده
منابع مشابه
Reproductive Management Course APPENDIX 1 REPRODUCTIVE ULTRASOUND FOR MANAGEMENT OF BEEF CATTLE
O. J. Ginther stated: “gray-scale diagnostic ultrasonography is the most profound technological advance in the field of large animal research and clinical reproduction since the introduction of transrectal palpation and radioimmunoassay of circulating hormones.” (Ginther, 1986). It is hard to imagine that many discoveries and procedures related to ovarian, uterine and fetal function that we use...
متن کاملReproductive Management of Beef Cattle in North Eastern Victoria
Beef producers in the Benalla district of north east Victoria rarely practice management strategies to maintain high fertility in their breeding herds. This is evidenced by the low level of reproductive performance in beef herds in the district (Sykes and Ada 1980). Trapnell and Ada (1981) found that beef producers do not consider fertility to be a problem in their herds. However, they found th...
متن کاملProceedings, Applied Reproductive Strategies in Beef Cattle
Commercial artificial insemination (AI) is arguably one of the greatest animal biotechnologies introduced in the 20 century. The benefits of improved genetics and reduced disease transmission have been readily recognized and accepted by the dairy producer, and at present, approximately 70% of the US dairy cattle population are bred by AI. Since the introduction of commercial AI in the early 194...
متن کاملProceedings, Applied Reproductive Strategies in Beef Cattle
Th an intravaginal progesterone i , used in c with othe s in beef and dairy cows and heifers. The CIDR was developed in nd has been used for several y s to advanc he us in cow The CIDR aped devi flexible win a rod that can be inserted into the vagina with an he end opposite to the wing the insert a tail is attached to facilitate rem e of the CI is a nylon spin overed by pr oncentrations rise s ...
متن کاملProceedings, Applied Reproductive Strategies in Beef Cattle
A commercially viable cattle embryo transfer (ET) industry was established during the early 1970s. Initially, techniques for recovering and transferring cattle embryos were exclusively surgical. However, by the late 1970s, most embryos were recovered and transferred nonsurgically. Successful cryopreservation of embryos was widespread by the early 1980s, followed by the introduction of embryo sp...
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ژورنال
عنوان ژورنال: Animal Reproduction
سال: 2017
ISSN: 1984-3143
DOI: 10.21451/1984-3143-ar998