Results 121 to 130 of about 708 (172)

'Beef-on-dairy': harnessing assisted reproductive technologies to improve performance and sustainability in seasonal-calving systems. [PDF]

J Reprod Dev
Butler ST, Crowe AD, Murphy EM, Evans RD, Lonergan P.   +4 more
europepmc   +1 more source

The fertility of dairy heifers and cows is not influenced by the follicular wave of the ovulatory follicle. [PDF]

J Reprod Dev
Mohammadi J, Azari M, Kafi M.
europepmc   +1 more source

Evaluation of luteolytic activity and reproductive outcomes in ewes following single and split dose cloprostenol during the breeding season. [PDF]

Trop Anim Health Prod
Akbulut NK, Kal Y, Kırbaş M, Aladağ F, Alkan H.   +4 more
europepmc   +1 more source

Needle-free injection device for administration of cloprostenol to induce luteolysis in lactating dairy cows. [PDF]

JDS Commun
Leslie A, Gomez-Leon VE, Kleinhenz MD, Weeder M, Batey I, Kats K, Fritz B, Bear M, Nordstrom S, Schotanus S, Curtis A, Hurtado SP, Ferreira A, Coetzee J.   +13 more
europepmc   +1 more source

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Evaluation of Ovsynch versus modified Ovsynch program on pregnancy rate in water buffaloes: a meta-analysis

Tropical Animal Health and Production, 2021
Ovsynch is a widely accepted estrus synchronization protocol for improving the reproductive performance of water buffaloes who manifest low reproductive efficiency. Recently, some modified protocols based on Ovsynch such as 2 injections of prostaglandin 14 days apart following the Ovsynch are also introduced to enhance the reproductive potential of ...
Chao, Du, Liangkang, Nan, Ahmed, Sabek, Haitong, Wang, Xuelu, Luo, Guohua, Hua, Shujun, Zhang   +6 more
openaire   +2 more sources

Benefits of using Double-Ovsynch versus presynch-ovsynch are affected by environmental heat in primiparous holstein lactating cows

Animal Reproduction Science, 2023
Optimized reproduction management enhances fertility of dairy cows, and thus improves their milk production efficiency. Comparing different synchronization protocols under variable ambient conditions would be conducive to protocol selection and production efficiency improvement.
Huazhao, Li, Nan, Sun, Yao, Xiao, Hongzhen, Yang, Zhigang, Guo, Yuxin, Lin, Xiaojie, Wang, Qipeng, Wu, Yang, Zhou, Liguo, Yang, Guohua, Hua   +10 more
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Replacement of the first GnRH by estradiol in the breeding Ovsynch of Double Ovsynch protocol could improve fertility in Holstein dairy cows

Animal Reproduction Science, 2023
Unlike GnRH, estradiol could induce emergence of a new follicular wave regardless of the size of follicle. Therefore, the present study was conducted to understand whether replacement of the first GnRH by estradiol in the breeding protocol of Double Ovsynch program could enhance fertility.
Iman Allahyari, Faramarz Gharagozlou, Mehdi Vojgani, Poorya Pooladzadeh, Emadeddin Mobedi, Vahid Akbarinejad   +5 more
openaire   +2 more sources

Reproductive performance following a modified Presynch-Ovsynch, Double-Ovsynch, or conventional reproductive management program in Korean dairy herds

Theriogenology, 2020
We aimed to compare the reproductive performance of dairy cattle following a modified Presynch-Ovsynch, Double-Ovsynch, or conventional reproductive management program (CRMP). On Day 30 (±5) after calving (calving = Day 0), 960 lactating cows were assigned randomly to one of two presynchronization treatments, before the synchronization of ovulation ...
Ill Hwa Kim, Hyun-Gu Kang
exaly   +3 more sources