Approaches of estrous synchronization in sheep: developments during the last two decades: a review

N Hameed, MIR Khan, M Zubair… - Tropical animal health and …, 2021 - Springer
The objective of the current review was to summarize the protocols used for estrous
synchronization in ewes during the last two decades. Progesterone (P4) is a major hormone …

Awassi sheep reproduction and milk production

AQ Talafha, MM Ababneh - Tropical animal health and production, 2011 - Springer
Awassi is the local breed of sheep in Jordan and is the most important breed in the semi-arid
regions of the near east countries. Awassi ram and ewe lambs reach puberty at around 8 …

Biology and diseases of ruminants (sheep, goats, and cattle)

WJ Underwood, R Blauwiekel, ML Delano… - Laboratory animal …, 2015 - Elsevier
Ruminants continue to be important in their traditional role in agricultural research and
teaching. They are now also extensively used for studies in molecular biology; genetic …

[HTML][HTML] Comparison of five protocols of estrous synchronization on reproductive performance of Hu sheep

X Yu, Y Bai, J Yang, X Zhao, L Zhang… - Frontiers in Veterinary …, 2022 - frontiersin.org
The purpose of this study is to compare five protocols of estrous synchronization for Hu ewes
to obtain the most effective and economical protocol, to apply the advantageous scheme in …

Successful induction of oestrus, ovulation and pregnancy in adult ewes and ewe lambs out of the breeding season using a GnRH+ progesterone oestrus …

MF Martinez, B McLeod, G Tattersfield, B Smaill… - Animal Reproduction …, 2015 - Elsevier
A series of experiments was designed to assess the effect of a treatment protocol (U-synch)
for inducing oestrus and ovulation out of the breeding season in adult ewes and ewe lambs …

[HTML][HTML] Efficiency of CIDR-based protocols including GnRH instead of eCG for estrus synchronization in sheep

P Martinez-Ros, A Gonzalez-Bulnes - Animals, 2019 - mdpi.com
Simple Summary This study examines the preovulatory and ovulatory events (in terms of the
timing of onset of estrus behavior, preovulatory LH surge, and ovulation) and the yields …

Follicular dynamics, estrous response and pregnancy rate following GnRH and progesterone priming with or without eCG during non-breeding season in anestrous …

N Hameed, MIR Khan, W Ahmad, M Abbas… - Small Ruminant …, 2020 - Elsevier
Goats show seasonal reproductive behaviour under subtropical latitude; limiting the scope
of the intensive farming system. Therefore, the objective was to evaluate the efficacy of …

The effect of medroxyprogesterone acetate with or without eCG on conception rate of fat-tail ewes in out of breeding season

MT Garoussi, O Mavadati, M Bahonar… - Tropical Animal Health …, 2020 - Springer
Many protocols of estrous synchronization in ewes have been developed in the last few
decades. The aim of this study was the effect of intravaginal progestogen …

Effect of different estrus synchronization protocols on estrus and pregnancy rates, oxidative stress and some biochemical parameters in Hair goats

F Eşki, S Kurt, PA Demir - Small Ruminant Research, 2021 - Elsevier
The aim of this study was to investigate the relationship between different estrus
synchronization protocols, some fertility parameters and serum biochemical parameters …

Efficacy of various five-day estrous synchronization protocols in sheep

CG Jackson, TL Neville, VRG Mercadante… - Small Ruminant …, 2014 - Elsevier
The objective of this study was to determine the effects of ewe estrus synchronization
protocols including combinations of controlled internal drug releasing (CIDR) inserts for 5 d …