Seventy years of progestagen treatments for management of the sheep oestrous cycle: Where we are and where we should go

A Gonzalez-Bulnes, A Menchaca… - Reproduction …, 2020 - CSIRO Publishing
Management of the ovine oestrous cycle is mainly based on the use of exogenous
hormones to mimic or enhance (progesterone and its analogues) or manipulate …

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 …

Efficiency of estrous synchronization in tropical sheep by combining short-interval cloprostenol-based protocols and “male effect”

I Contreras-Solis, B Vasquez, T Diaz, C Letelier… - Theriogenology, 2009 - Elsevier
This study assessed the efficacy of a protocol combining short-interval cloprostenol-based
protocols and “male effect” for estrous synchronization in hair sheep. In Experiment 1, 24 …

Alternatives to improve a prostaglandin-based protocol for timed artificial insemination in sheep

J Olivera-Muzante, J Gil, S Fierro, A Menchaca… - Theriogenology, 2011 - Elsevier
The objective was to improve the reproductive performance of a prostaglandin (PG) F2α-
based protocol for timed artificial insemination (TAI) in sheep (Synchrovine®: two doses of …

Supplementation of Barbarine ewes with spineless cactus (Opuntia ficus-indica f. inermis) cladodes during late gestation-early suckling: Effects on mammary …

M Rekik, HB Salem, N Lassoued, H Chalouati… - Small Ruminant …, 2010 - Elsevier
This trial investigated effects of cactus incorporation in the diet of the late pregnant-early
suckling ewe on mammary gland secretions, blood metabolites, ovarian activity and lamb …

Time of ovulation and pregnancy outcomes obtained with the prostaglandin-based protocol Synchrovine for FTAI in sheep

M Vilariño, F Cuadro, PC dos Santos-Neto… - Theriogenology, 2017 - Elsevier
The objective of the present study was to determine the ovarian response induced with the
prostaglandin-based protocol Synchrovine (two doses of PGF 2α given 7 d apart), as well as …

Effects of short-term intravaginal progestagen treatment on fertility and prolificacy after natural breeding in sheep at different reproductive seasons

P Martinez-Ros, A Gonzalez-Bulnes… - Journal of Applied …, 2019 - Taylor & Francis
The present study indicates that short-term progestagen-based protocols for synchronization
of estrus and ovulation in sheep involving 7 days of progestagen insertion with …

[PDF][PDF] Koyun ve keçilerde üremenin denetlenmesinde güncel yöntemler

C Kaçar, S Kaya, M Kuru, AK Zonturlu - Turkiye Klinikleri J Vet Sci …, 2016 - academia.edu
Bu derlemede, koyun ve keçilerde üremeninin denetlenmesinde son yıllarda kullanılan farklı
uygulamalar hakkında bilgilerin güncellenmesi, bu bilgilerin veteriner hekimler ve …

ET-technologies in small ruminants

S Ledda, A Gonzalez-Bulnes - Animal Biotechnology 1: Reproductive …, 2018 - Springer
In the last decades small ruminants have become increasingly important, and nowadays
sheep and goat are continuously increasing in the number of breeds and their geographic …

Relationships among feed intake, blood metabolites, follicle size and progesterone concentration in ewes exhibiting or not exhibiting estrus after estrous …

T Moonmanee, S Yammuen-art - Agriculture and Agricultural Science …, 2015 - Elsevier
The aim of this study was to determine the relationships among feed intake, blood
metabolites, follicle size, and progesterone (P 4) concentration in ewes that did or did not …