Results 81 to 90 of about 3,996 (257)

Comparison of responses to Ovsynch between Holstein-Friesian and Swedish Red cows [PDF]

Journal of Dairy Science, 2011
The Ovsynch protocol was designed to synchronize ovulation, thereby allowing timed artificial insemination (TAI) of all cows without detection of estrus. However, the effectiveness of Ovsynch in different breeds of dairy cows has not been previously compared.
Keskin, A., Yilmazbas-Mecitoglu, G., Gumen, A., Karakaya, E., Celik, Y., Okut, H., Wiltbank, M. C.   +6 more
openaire   +5 more sources

Determination of expression patterns of miR‐26a, and preimplantation factor levels for early pregnancy detection in nulliparous and multiparous cows

Reproduction in Domestic Animals, Volume 59, Issue 1, January 2024.
Abstract For maximum productivity in a dairy farm, the earliest and the most accurate detection of pregnancy is essential. The aim of this study was to determine the efficacy of expression patterns of miR‐26a, and serum Preimplantation Factor (PIF) levels for pregnancy diagnosis during the early pregnancy in nulliparous and multiparous cows. A total of
Kemal Tuna Olğaç, Murat Onur Yazlik, Hüseyin Özkan, Ufuk Kaya, Mehmet Borga Tirpan   +4 more
wiley   +1 more source

Pregnancy rates in hair sheep after Ovsynch synchronization and a combined intracervical fixed-time artificial insemination and 10-day mating period [PDF]

Veterinary World, 2019
Aim: This study aimed to evaluate the pregnancy rates in hair ewes using an Ovsynch synchronization protocol under a breeding system that combines fixed-time insemination plus a 10-day mating period as an alternative. Materials and Methods: Through an
D. A. Vallejo, J. D. Londoño, Y. A. Yepes, V. Tamayo, A. F. Mejia, J. G. Maldonado   +5 more
doaj   +1 more source

Ovarian Dynamic in Ongole Grade Cattle After GnRH Injection in Ovsynch Protocol Based on Progesterone Device [PDF]

, 2015
PO cattle have weaknesses to show clear estrus signs which cause difficulty in artificial insemination implementation. The present study was designed to obtain ovarian dynamic as effect of GnRH injection in ovsynch protocol based on progesterone ...
Amrozi, A. (Amrozi), Imron, M. (Muhammad), Setiadi, M. A. (Muhammad), Supriatna, I. (Iman)   +3 more
core  

ANGKA KEBUNTINGAN SAPI LOKAL SETELAH DIINDUKSI DENGAN PROTOKOL OVSYNCH (Conception Rates of Local Cows after Induction with Ovsynch Protocols)

Jurnal Medika Veterinaria, 2015
This study aims to know the effect of estrus synchronization using ovsynch method on local cow pregnancy rate. This study used 10 local cows without pregnant status and clinically healthy. All cows were divided into 2 treatment groups. Cows in group I (K1) were synchronized estrus using 5 mg/ml PgF2α intramuscularly with multiple injection patterns ...
Mefrianti Efendi, Tongku Nizwan Siregar, Hamdan Hamdan, Dasrul Dasrul, Cut Nila Thasmi, Razali Razali, Arman Sayuti, Budianto Panjaitan   +7 more
openaire   +1 more source

Comparación en la implementación del protocolo ovsynch frete al cosynch en vacas brahman [PDF]

, 2016
Más importante que la parte productiva es la parte reproductiva de los animales. El ciclo estral de la vaca es un proceso dinámico, continuo y dependiente de la interacción de órganos como el cerebro y el tracto reproductivo de la vaca, varias hormonas y
Aladino Ramírez, Sebastián, Ramírez Nieto, Alejandra   +1 more
core  

Effect of utilization of single or double prostaglandin administration within an ovsynch fixed-time artificial insemination protocol during summer season in dairy cows [PDF]

, 2019
This study investigated the fertility of dairy cows during summer season after treatment with a single or double PGF2α in a progesterone (P4)-based Ovsynch protocol for fixed-time artificial insemination (FTAI).
De Rensis, F., García Ispierto, Irina, López Gatius, Fernando, Morini, Giorgio   +3 more
core   +2 more sources

Avaliação da fertilidade a campo de sêmen bubalino congelado com antioxidantes: resultados preliminares para inseminação artificial em tempo fixo. [PDF]

, 2011
A avaliação da fertilidade a campo de sêmen congelado com antioxidantes foi realizada através do uso da IATF. Foram utilizadas 23 fêmeas cíclicas das raças Murrah e Mediterrâneo, com idade e peso médio de (4,87 ± 2,60 anos e 528,5 ± 113,4 kg), divididas ...
CASTRO, S. R. S. de, GARCIA, A. R., NAHUM, B. de S., PESSOA, J. dos S., SANTOS, A. X.   +4 more
core  

Estrus Induction and Fertility Response following Ovsynch Alone and Ovsynch plus PRID Protocol in Postpartum Anestrus Surti buffaloes

THE INDIAN JOURNAL OF VETERINARY SCIENCES AND BIOTECHNOLOGY, 2017
The study was undertaken to find out the estrus induction and conception rate in 18 postpartum anestrus Surti buffaloes divided equally into three groups and treated with Ovsynch protocol alone and in combination with PRID, keeping one group as control.
C. T. Khasatiya, H. R. Savani, Swati Saxena, M. D. Patel   +3 more
openaire   +1 more source

Retardo da realização da IATF sobre o desempenho reprodutivo na estação de acasalamento de vacas de corte lactantes

Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2012
Compararam-se efeitos de diferentes protocolos para a IATF com o acasalamento natural (Controle) sobre o desempenho reprodutivo de 249 vacas Aberdeen Angus, distribuídas em cinco grupos: Controle (n=50); Crestar 2º uso (n=64); OvSynch (n=65); Primer ...
C. Gottschall, H.R. Bittencourt, R.C. Mattos, R.M. Gregory   +3 more
doaj   +1 more source