Overcoming neuroendocrine and metabolic barriers to puberty: the role of melatonin in advancing puberty in ewe lambs

KR Pool, JP Rickard, SP de Graaf - Domestic Animal Endocrinology, 2020 - Elsevier
Pubertal onset in the ewe is subject to a multitude of physiological and environmental
constraints. As seasonal breeders, sheep rely on decreasing photoperiod to enter puberty …

Exogenous melatonin advances the ram breeding season and increases testicular function

KR Pool, JP Rickard, T Pini, SP De Graaf - Scientific reports, 2020 - nature.com
Governed by melatonin, ovine reproductive seasonality limits production outcomes due to
periods of decreased reproductive efficiency. Though it is established that slow-release …

Polymorphisms of the melatonin receptor 1A (MTNR1A) gene influence the age at first mating in autumn-born ram-lambs and sexual activity of adult rams in spring

JA Abecia, MC Mura, M Carvajal-Serna, L Pulinas… - Theriogenology, 2020 - Elsevier
The aim of this study was to determine whether polymorphisms of the melatonin receptor 1A
(MTNR1A) gene influence the age at first mating in autumn-born ram-lambs and influence …

Reproductive performance in three Slovenian sheep breeds with different alleles for the MTNR1A gene

J Starič, F Farci, S Luridiana, MC Mura… - Animal Reproduction …, 2020 - Elsevier
The aim of the research was to describe the polymorphisms of the MTNR1A gene in three
Slovenian sheep breeds, and determine whether these polymorphisms affect reproductive …

Melatonin treatment in winter and spring and reproductive recovery in Sarda breed sheep

MC Mura, S Luridiana, F Farci, MV Di Stefano… - Animal reproduction …, 2017 - Elsevier
This study aimed to evaluate the effect of melatonin treatment carried out between late
winter and early spring on reproductive response in Sarda breed sheep and whether the …

MTNR1A gene polymorphisms and reproductive recovery after seasonal anoestrus in different Mediterranean sheep breeds

L Pulinas, J Starič, G Cosso, G Curone… - Animal Reproduction …, 2022 - Elsevier
The aims of this study were 1) to investigate the effect of MTNR1A gene polymorphisms on
reproductive performance in ewes of one Italian and two Slovenian dairy sheep breeds …

Effects of reproductive season on embryo development in the buffalo

B Gasparrini - Reproduction, Fertility and Development, 2019 - CSIRO Publishing
Interest in buffalo farming is increasing worldwide due to the critical role played by buffaloes
as sources of animal protein in tropical and subtropical environments. However …

Reproductive response to male joining with ewes with different allelic variants of the MTNR1A gene

MC Mura, S Luridiana, L Pulinas, MV Di Stefano… - Animal reproduction …, 2019 - Elsevier
The aims were to evaluate the reproductive response to ram placement with Sarda ewes
with different allelic variants at position g. 15099485 A> G of the MTNR1 A gene. Ram …

Polymorphisms of the melatonin receptor 1A (MTNR1A) gene affect the sexual performance of Rasa Aragonesa rams without changing their social dominance

JA Abecia, A Heredia, V Carcangiu, GM Lama… - 2022 - zaguan.unizar.es
This study aimed to investigate whether a specific genotype of the MTNR1A gene influences
social dominance and reproductive performance in rams. Thirty-one rams were genotyped …

[HTML][HTML] High body condition score combined with a reduced lambing to ram introduction interval improves the short-term ovarian response of milking Lacaune ewes …

N Debus, E Laclef, A Lurette, M Alhamada, A Tesniere… - animal, 2022 - Elsevier
The male effect is an effective natural technique to induce off-season ovulation and
ultimately mating or artificial insemination in small ruminants. It constitutes an alternative to …