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 …

Estrous synchronization in ewes: The use of progestogens and prostaglandins

XJ Yu, J Wang, YY Bai - Acta Agriculturae Scandinavica, Section A …, 2018 - Taylor & Francis
This review summarizes the first principles, hormone types, and applied research related to
the synchronization of estrus in ewes. The hormones used to induce synchronization include …

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 …

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 …

Oestrus synchronisation with progesterone-containing sponge and equine chorionic gonadotropin in Pirlak ewes during the non-breeding season: can Toryum …

M Kuru, BB Kuru, O Sogukpinar, CC Sen… - Journal of Veterinary …, 2020 - sciendo.com
Introduction: The aim of the study was to determine the effect of the vitamins, omega-3
polyunsaturated fatty acid and minerals in the supplement Toryum administered before and …

Evaluation of the effect of melatonin implantation in rams and eCG dose in ewes synchronized by a CIDR-eCG protocol on reproductive performance of Lacaune …

NJ Roshan, MT Garoussi, V Akbarinejad - Animal Reproduction Science, 2023 - Elsevier
Sustainable production of milk is favorable in dairy sheep industry, which necessitates year-
round reproduction of rams and ewes even during non-breeding season. Hence, protocols …

[PDF][PDF] Effects of progestagen exposure duration on estrus synchronization and conception rates of crossbreed ewes undergoing fixed time artificial insemination

W Blaschi, PA Lunardelli… - Journal of …, 2014 - synapse.koreamed.org
Synchronization of estrus and ovulation are of paramount importance in modern livestock
improvement programs. These methods are critical for assisted reproduction technologies …

[PDF][PDF] Different estrus induction protocols and fixed time artificial insemination during the anoestrous period in non-lactating Kivircik ewes

İ Doğan, Z Nur, B Kılınç - Journal of the Hellenic …, 2018 - acikerisim.uludag.edu.tr
The efficiency of medroxyprogesterone acetate (MAP) sponges or norgestomet ear implants
(half or entire) for synchronizing and inducing the estrous cycle in non-lactating Kivircik …

Koyun ve keçilerde üremenin senkronizasyonu

M İbiş, AR Ağaoğlu - Veterinary Journal of Mehmet Akif Ersoy …, 2016 - dergipark.org.tr
Koyun ve keçi yetiştiriciliği gebelik süresinin diğer çiftlik hayvanlarına göre daha kısa olması,
tek batında birden fazla yavru alınabilmesi, bakım ve besleme şartlarının daha kolay …