Many of melatonin's actions are mediated through interaction with the G-protein coupled
membrane bound melatonin receptors type 1 and type 2 (MT1 and MT2, respectively) or …

Reproduction of small ruminants can be controlled by several methods developed in recent
decades. Some of these involve administration of hormones that modify the physiological …

Melatonin has a wide variety of beneficial actions at the level of the gonads and their
adnexa. Some actions are mediated via its classic membrane melatonin receptors while …

Sheep and goats are seasonally polyestrous, that is, they present a seasonal pattern of
reproduction, to ensure that lambs and kids are born at the optimal time of the year …

Reactive oxygen species generated during the freeze–thawing process may reduce sperm
quality. This study evaluates the effects of melatonin supplementation as an antioxidant in …

Cryopreservation harms spermatozoa at different levels and thus impairs their fertilizing
ability. The role of melatonin in protecting spermatozoa from different kind injuries has been …

In modern agriculture, assisted reproductive technologies are being used for out of season
oestrus induction, enhancement of reproductive performance and genetic improvement. In …

Infertility is an increasing global public health concern with socio-psychological implications
for affected couples. Remarkable advances in reproductive medicine have led to successful …

Although human seminal fluid contains melatonin and spermatozoa reportedly possess
membrane melatonin receptors, there are no experimental studies that have ascertained the …

Background Some breeds of sheep are highly seasonal in terms of reproductive capability,
and these changes are regulated by photoperiod and melatonin secretion. These changes …