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 …

Intravaginal device-type and treatment-length for ovine estrus synchronization modify vaginal mucus and microbiota and affect fertility

P Martinez-Ros, M Lozano, F Hernandez, A Tirado… - Animals, 2018 - mdpi.com
Simple Summary This study examined the effects of different intravaginal device types used
for estrous cycle management in sheep, and the timing of their insertion, on vaginal features …

Effects of short-term intravaginal progestagens on the onset and features of estrus, preovulatory LH surge and ovulation in sheep

P Martinez-Ros, S Astiz, E Garcia-Rosello… - Animal Reproduction …, 2018 - Elsevier
In the present study, there was a comparison among classical long-term progestagen
(fluorogestone acetate) protocols for synchronization of estrus and ovulation (14 days; group …

Changes in the aerobic vaginal flora after treatment with different intravaginal devices in ewes

J Manes, MA Fiorentino, G Kaiser, F Hozbor… - Small Ruminant …, 2010 - Elsevier
The objective of this study was to characterize the vaginal bacterial flora and subsequent
pregnancy rates after AI in sheep subjected to 4 different estrous synchronization regimes …

Prevalence and antimicrobial susceptibility of vaginal bacteria from ewes treated with progestin-impregnated intravaginal sponges

G Martins, L Figueira, B Penna, F Brandão… - Small Ruminant …, 2009 - Elsevier
The objective was to characterize vaginal bacteria in ewes with vaginitis. Intravaginal
sponges impregnated with medroxyprogesterone were used to synchronize estrus in 22 …

Vaginal mucus from ewes treated with progestogen sponges affects quality of ram spermatozoa

J Manes, G Ríos, MA Fiorentino, R Ungerfeld - Theriogenology, 2016 - Elsevier
The use of intravaginal sponges (IS) to synchronize estrous onset in ewes provokes
vaginitis, an increase in the vaginal bacterial load, and growth of bacterial species that are …

Vaginal lactic acid bacteria in the mare: evaluation of the probiotic potential of native Lactobacillus spp. and Enterococcus spp. strains

M Fraga, K Perelmuter, L Delucchi, E Cidade… - Antonie Van …, 2008 - Springer
Lactic acid bacteria (LAB) are important members of the human vaginal microbiota and their
presence is considered beneficial. However, little is known about native vaginal bacteria in …

[HTML][HTML] La conducta sexual del carnero: Revisión

A Orihuela Trujillo - Revista mexicana de ciencias pecuarias, 2014 - scielo.org.mx
El presente trabajo tiene como objetivo recapitular la literatura disponible sobre factores
que influyen en la conducta sexual del carnero. Incluye una descripción de los fundamentos …

Qualitative and quantitative analysis of bacteria from vaginitis associated with intravaginal implants in ewes following estrus synchronization

COP Vasconcelos, FZ Brandão, G Martins, B Penna… - Ciência Rural, 2016 - SciELO Brasil
This study evaluated the presence of vaginitis and the bacterial load associated with
different intravaginal implants in ewes. Twenty-four Dorper and crossbred ewes were …