Results 51 to 60 of about 651 (133)
Comparative Study of Pregnancy Rate of Dairy Cows Inseminated with Fresh or Frozen-Thawed Semen
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2020 The aim of this study was to investigate conception rates (CR) achieved with artificial insemination of Holstein cows using fresh or frozen insemination doses (ID). The synchronization protocols (Double-Ovsynch, Ovsynch, ReSynch) and pedometers were used
Jan Pytlík +3 more
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Revista Mexicana de Ciencias Pecuarias, 2015 Se comparó la tasa de gestación (TG) en vacas lecheras inseminadas a tiempo fijo mediante dos protocolos. El día 32 posparto, 275 vacas recibieron dos inyecciones de PGF2α con intervalo de 14 días.
Silvano Flores Domínguez +5 more
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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 +5 more
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The effects of presynch-10 and ovsynch on some endometrial tolland nod-like receptor gene expressions in repeat breeder cows [PDF]
Kafkas Universitesi Veteriner Fakültesi Dergisi, 2019 Subclinical endometritis (SE) is one cause of repeat breeder syndrome (RBS). When endometrial cells come into contact with antigens during inflammatory events like endometritis, they act like innate immune system cells.
Ali Reha AĞAOĞLU +8 more
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Stimulating Reproductive Functions at Acyclic Cows by Ovsynch and Select Synch Protocols
Scientific Papers Animal Science and Biotechnologies, 2023 The purpose of our work was to compare the efficiency of two programs for the induction and synchronization of estrous and ovulation in acyclic cows (Ovsynch and Select Synch).
Ion Carabă +4 more
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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 +3 more
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Uso del protocolo Ovsynch en el control del anestro postparto en vacas mestizas de doble propósito
Revista Científica, 2010 Para evaluar el efecto del protocolo Ovsynch sobre parámetros de fertilidad en vacas mestizas doble propósito en anestro y definir el momento óptimo para la IA a tiempo fijo (IATF), 37 de 48 vacas acíclicas se asignaron a los siguientes grupos: T1 ...
Juan Carlos Gutiérrez Añez +5 more
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Impact of three different ovulation synchronization protocols on first-service conception rates in postpartum cows [PDF]
Iraqi Journal of Veterinary SciencesThe study was conducted on 60 Holstein dairy cows during 50 and 60 days postpartum in different rural areas in Al-Anbar Province, Iraq. This study evaluated the effects of two ovulation synchronization protocols on postpartum fertility performance ...
Ahmed I. Alsuwaidawi, Hani M. Alrawi
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Asian Pacific Journal of Reproduction, 2019 Objective: To determine if insemination at standing heat results in a similar or higher pregnancy rate compared with fixed time artificial insemination, and to study some factors affecting the pregnancy rate.
Abdel-Tawab Abdel-Razek Yassyn Khalil +1 more
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Macedonian Veterinary ReviewThe present study aimed to determinate the effect of external progesterone (P4) supplementation on luteolysis in cows under heat stress. Forty-eight (n=48) dairy cows in the period from July September 2018 were part of and at day 35±3 postpartum scored ...
Boris Stojanov +7 more
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