Results 111 to 120 of about 423,698 (234)

Efficacy of Various Five-Day Estrous Synchronization Protocols in Sheep [PDF]

open access: yes, 2012
The objective of this study was to determine the effects of various estrous synchronization protocols utilizing the five-day controlled internal drug releasing (CIDR) inserts that are infused with progesterone (P4) alone and when coupled with ...
Jackson, Christen Georgia
core  

Advantages of Utilizing a Synchronization Protocol Prior to Natural Service in Beef Cows

open access: yes, 2021
This study examined the ability of estrous synchronization prior to natural breeding in beef cows to help producers improve the performance and profitability of their herd.
Moore, Elizabeth
core  

Evaluation of One or Two Lutalyse Injections for Estrous Synchronization in Beef Cattle

open access: yes, 1982
Researchers have been attempting to control estrous cycles in animals for the last 50 years. For the past several years, there has been considerable interest in the use of Lutalyse for estrous synchronization in beef cattle.
Blome, L. C., Miller, H. L.
core  

Estrous Synchronization of Heifers Using MGA and Prostaglandin: Ranch Results

open access: yes, 1989
total of 315 yearling heifers were exposed to an estrous synchronization program which consisted of feeding MGA for 14 consecutive days (.5 mg per head per day), followed by a prostaglandin injection 17 days after the last day of MGA feeding. Two hundred
Goehring, T. B.
core  

Effects of CIDR and eCG with estradiol-17β or estradiol cypionate on the follicular wave emergence synchronization in seasonally anestrous ewes

open access: yes, 2021
Estrous, hormonal, and ovarian responses in anestrous ewes treated with different synchronization treatments were evaluated. Fourteen Texel ewes received controlled-internal-drug-releasing devices (CIDR) on Day -12 and eCG on Day 0.
Dehghani Madiseh, Zohreh
core  

Hematology, Reproductive Hormonal Level and Conception Rate in Synchronized Indigenous Cows during Artificial Insemination Scheme in Kwara State, Nigeria

open access: yesJournal of Applied Sciences and Environmental Management
Genetic improvement of indigenous cattle breeds through artificial insemination (AI) with exotic semen will aid production system intensification and solve herders-crop farmers’ conflict in Nigeria.
O. M. Adesina   +12 more
doaj  

Synchronization Programs Update

open access: yes, 1997
Synchronization of estrus involves methods of manipulating the estrous cycle of females within a herd so they express estrus at approximately the same time. There are several traditional protocols available for synchronizing estrus (heat) among beef cows.
Geary, Tom
core  

Effect of Estrous Synchronization with Natural Service or Fixed-Timed Artificial Insemination with Conventional or Gender-Skewed Semen in Beef Females

open access: yes, 2020
The objective of this study was to evaluate estrous synchronization and/or artificial insemination (AI) with conventional (CON) or gender-skewed (SEXED) semen on calving ...
Walker, J. A.   +2 more
core  

Reproductive performance of dairy cows following different estrous synchronization protocols [PDF]

open access: yes, 2004
Consultable des del TDXEl presente trabajo de investigación ha sido diseñado para desarrollar y recomendar un mejor y más consistente programa de sincronización del estro con inseminación a tiempo predeterminado, sin compromiso de la tasa de gestación ...
Murugavel, Kailasam
core  

Influence of Long and Short-term Progesterone Administration on Estrous Synchronization and Reproductive Performance in Ewes During May Season

open access: yes, 2023
Estrous synchronization is a promising management device to get better reproductive proficiency, particularly in ruminants. However, limited information is available about the influence of long and short-term progesterone administration on estrous ...
Yousif, Ahmed   +5 more
core  

Home - About - Disclaimer - Privacy