Camel herds’ reproductive performance in Algeria: Objectives and thresholds in extreme arid conditions
نویسندگان
چکیده
منابع مشابه
Reproductive Performance in Camel (Camelus dromedarius)
The study was conducted to explore various aspects of reproduction in camels viz. Effect of breed on fertility, effect of repeat services during same estrous period on pregnancy rate, effect of copulation time on fertility in female dromedary camels, early versus late onset of sexual libido in males, male fertility and investigations into mating ability, semen donation efficiency in Artificial ...
متن کاملSow Reproductive Performance in Institutional Herds in Benue State,
This study was carried out to determine the reproductive performance of sows in institutional swine herds which serve as model herds in Benue state, central Nigeria. Herd records on 185 sows that littered 3,995 piglets from three herds were used for the analysis of reproductive and production performance. Management practices including reproductive management, herd structure, breeds of sows, an...
متن کاملeffect of bataine and sulphate supplement on wool and milk characteristics and lambs performance in naine ewes
تعداد 20 رأس میش نژاد نائینی 6+-24 ماهه، با میانگین وزن 2/3-+40 کیلوگرم، همراه با 20 رأس بره های آنها در قالب طرح کاملا تصادفی اثر بتائین و مکمل سولفات بر خصوصیات شیر و پشم و عملکرد بره ها بررسی شد. میش ها بطور تصادفی در چهار تیمار قرار گرفتند. تیمارها عبارت بودند از: 1-گروه شاهد 2-بتائین (05/0 درصد ماده خشک) 3-سولفات (24/0 سولفور درصد ماده خشک 4-بتائین هرماه با سولفات. جیره غذائی طبق nrc با مح...
15 صفحه اولReproductive performance of repeat breeders in dairy herds.
The objectives were to characterize repeat breeding in dairy cows, including reproductive performance and risk factors. Data from 613 Holstein Friesian cows in nine dairy herds across Japan were enrolled. A repeat breeder was defined as a cow that did not become pregnant after three inseminations, despite no clinically detectable reproductive disorders. In contrast, cows that became pregnant wi...
متن کاملThe Evaluation of Reproductive Performance in Dairy Herds
The routine monitoring of the efficiency of reproductive programs is necessary in large-scale dairy herds in the 21 century. The importance of the economic evaluation of these programs is increasing, as well, since many thousands of euros are spent on reproductive management on a farm. However, different interpretations of reproductive indices cause difficulties among professionals when compari...
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ژورنال
عنوان ژورنال: Journal of the Saudi Society of Agricultural Sciences
سال: 2020
ISSN: 1658-077X
DOI: 10.1016/j.jssas.2020.09.002