Results 31 to 40 of about 2,055 (165)

Current status of assisted reproductive technologies in buffaloes

Animal Science Journal, Volume 93, Issue 1, January/December 2022., 2022
Abstract Buffaloes are raised by small farm holders primarily as source of draft power owing to its resistance to hot climate, disease, and stress conditions. Over the years, transformation of these animals from draft to dairy was deliberately carried out through genetic improvement program leading to the development of buffalo‐based enterprises ...
Kanokwan Srirattana, Danilda Hufana‐Duran, Eufrocina P. Atabay, Peregrino G. Duran, Edwin C. Atabay, Kehuan Lu, Yuanyuan Liang, Thuchadaporn Chaikhun‐Marcou, Kasem Theerakittayakorn, Rangsun Parnpai   +9 more
wiley   +1 more source

Efficacy of different estrus synchronization protocols in repeat breeder cows

Indian Journal of Animal Sciences, 2019
The work was conducted in 272 repeat breeder cows diagnosed with functional form of infertility, i.e. luteal insufficiency and ovulatory defects. The objective of present study was to evaluate the efficacy of synchronization protocols in functionally ...
MADHUMEET SINGH, AKSHAY SHARMA, SUPRIYA KAPSE, AMIT KASHYAP, PRAVESH KUMAR   +4 more
doaj   +1 more source

Eficácia do tratamento Ovsynch associado à inseminação artificial prefixada em rebanhos Bos taurus e Bos indicus [PDF]

Pesquisa Agropecuária Brasileira, 2003
O presente trabalho objetivou avaliar a eficácia do tratamento Ovsynch associado à inseminação artificial em tempo prefixado em vacas Bos taurus e Bos indicus. Foram utilizados rebanhos das raças Holandesa, Caracu, Nelore e Mantiqueira.
Rafael Herrera Alvarez, Antonio Campanha Martinez, João Batista Pereira de Carvalho, Juliana Rodrigues Pozzi Arcaro, Rita Maria Ladeira Pires, Cláudio Alvarenga de Oliveira   +5 more
doaj   +1 more source

Modifications of the G6G timed-AI protocol improved pregnancy per AI and reduced pregnancy loss in lactating dairy cows

Animal, 2017
In dairy cows, subjected to a G6G protocol, objectives were to determine effects of (1) extending the interval from prostaglandin F2α (PGF2α) to gonadotropin-releasing hormone (GnRH) during presynchronization; and (2) adding a second PGF2α treatment ...
F. Heidari, E. Dirandeh, Z. Ansari Pirsaraei, M.G. Colazo   +3 more
doaj   +1 more source

Effect of different hormonal protocols with timed AI on clinical signs of estrus and conception rates in Bulgarian Murrah buffaloes

Revista Científica, 2023
The objective of the field experiment was to study the effect of different protocols for estrus synchronization with timed artificial insemination (TAI) on the manifestation of clini- cal signs of estrus (CSE) and conception rates in the Bulgarian ...
Radena Nenova
doaj  

Effect of a progesterone-releasing intravaginal device (PRID) for 8 days during a modified Ovsynch protocol on pregnancy outcomes in lactating Holstein cows

JDS Communications, 2023
Our objective was to evaluate the effect of a progesterone-releasing intravaginal device (PRID) in a 7-d Ovsynch protocol on pregnancy per artificial insemination (P/AI) and pregnancy loss, compared with a standard 7-d Ovsynch protocol without ...
M. Hölper, L. Bretzinger, F. Randi, W. Heuwieser, S. Borchardt   +4 more
doaj   +1 more source

Ovarian follicular changes and hemodynamics in Egyptian buffaloes under CIDR-PGF2α and Ovsynch-CIDR estrus synchronization treatments

The Journal of Reproduction and Development, 2019
This study aimed at investigating the efficacy of two protocols of estrous synchronization on follicular changes and hemodynamics. Pluriparous Egyptian buffaloes (n = 36) were synchronized either with controlled internal drug release (CIDR)-PGF2α (7-days
Haney SAMIR, Mohamed M.M. KANDIEL, Amal M. Abo EL-MAATY, Manila SEDIQYAR, Kazuaki SASAKI, Gen WATANABE   +5 more
doaj   +1 more source

Certain hormonal profiles of postpartum anestrus jersey crossbred cows treated with controlled internal drug release and ovsynch protocol [PDF]

Veterinary World, 2016
Aim: The study was conducted to determine the serum levels of certain hormones in post-partum anestrus cows following treatment with controlled internal drug release (CIDR) and Ovsynch protocol.
Dayanidhi Jena, S. Das, B. K. Patra, S. S. Biswal, D. N. Mohanty, P. Samal   +5 more
doaj   +1 more source

Timed artificial insemination protocols in dairy cattle: Functioning, shortcomings, and improvements

Czech Journal of Animal Science, 2023
Oestrus detection is currently at the top of the factors limiting the success of artificial insemination in dairy herds. This limitation becomes more pronounced as milk production increases because of higher metabolic clearance rates of steroid hormones ...
Amine Boudaoud
doaj   +1 more source

Синхронизация половой охоты у коров по протоколам "Ovsynch 48" и "Ovsynch 56" [PDF]

, 2019
половая охота, крс, синхронизация, протокол синхронизации половой охоты, ovsynch 48, ovsynch 56, оплодотворяемость, осеменение, первое осеменение, сервис-периодВ статье изложены результаты производственных испытаний по синхронизации половой охоты у коров
Мирончик, С. В.
core   +1 more source