Effect of breed and other animal-related factors on conception rate to artificial insemination with frozen semen in mares in Ethiopia
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DOI: 10.1007/s11250-019-01804-6
Abstract: Equine reproduction is unique by having long behavioral estrus and differences in time of breeding between breeds and individuals of mares. An experimental study was conducted at the Balderas Sport Horses and Recreational Center, Addis… read more here.
Keywords: number services; breed; conception; frozen semen ... See more keywords
The female to male calf sex ratio is associated with the number of services to achieve a calf and parity of lactating dairy cows
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DOI: 10.1093/tas/txac080
Abstract: Abstract Commercial dairy producers may get frustrated by the lower ratio of female to male calves born because female calves are more valuable than bull calves. Our objective was to determine if parity or stage… read more here.
Keywords: number services; parity; number; calf ... See more keywords