In farm animals, both genetic and non-genetic factors affect reproductive traits. These factors
can be categorized as intrinsic and extrinsic. Extrinsic factors relate to the animal's …

It is estimated that more and more couples suffer from fertility and pregnancy maintenance
disorders. It is associated with impaired androgen secretion, which is influenced by many …

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 …

MTNR1A and MTNR1B, two high-affinity MT membrane receptors found in mammals,
mediate the activity of MT on the HPGA to regulate animal reproduction. Nevertheless, the …

This study examined the genes related to immunity, metabolism, and antioxidants that may
interact with the prevalence of postpartum endometritis in Ossimi sheep. We used fifty …

In tropical and subtropical countries like Egypt, sheep breeding faces environmental thermal
stress, especially during the summer when air temperature and humidity are very high …

Simple Summary To date, there is a lack of available data regarding Italian goat breeds
other than the Sarda goat in relation to the polymorphism of the MTNR1A melatonin receptor …

Sheep are a valuable livestock species worldwide, providing meat, milk, and various dairy
products. This article aims to review the latest literature on the melatonin receptor 1A …

Objectives: Litter size is a crucial economic factor in the sheep industry. Several factors and
genes influence litter size, making the identification of genes or loci involved a genetic …

Abstract Arylalkylamine-N-acetyl-transferase (AA-NAT) is one of several genes that
influence sheep reproduction. Thus, the objective of this study was to investigate whether …