Improved Reproductive Efficiency in Beef Cattle under Tropical and Sub- Tropical Environments

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Treatments to Optimize the Use of Artificial Insemination and Reproductive Efficiency in Beef Cattle under Tropical Environments

Bos indicus cattle, the preferred genetic group in tropical climates, are characterized by having a lower reproductive efficiency than Bos taurus. The reasons for the poorer reproductive efficiency of the Bos indicus cows include longer lengths of gestation and postpartum anestrus, a short length of estrous behavior with a high incidence of estrus occurring during the dark hours, and puberty at...

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Radioimmunoassay and related techniques to improve artificial insemination programmes for cattle reared under tropical and sub-tropical conditions

CONSTRAINTS LIMITING THE EFFICIENCY OF ARTIFICIAL INSEMINATION OF CATTLE IN BANGLADESH. The aim of the present study was to identify the factors that influence postpartum intervals to first detected luteal activity, first service and to conception, and the conception rates of cows in the artificial insemination (AI) programme in Bangladesh. A baseline survey (investigations 1, 2 and 3) was made...

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Impact of reproductive technologies on improved genetics in beef cattle

Introduction Domestication of food producing animals has led to the desire by humans to control reproduction so as to enhance production of the products (e.g., meat) from these animals. Domestication of cattle is estimated to have started about 10,000 years ago (Bradley et al., 1998). Controlled reproduction by regulating mating patterns, through use of natural breeding, has long been practiced...

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ژورنال

عنوان ژورنال: International Journal For Research in Applied Sciences and Biotechnology

سال: 2020

ISSN: 2349-8889

DOI: 10.31033/ijrasb.7.4.14