Article
Pig melatonin receptor 1a (MTNR1A) genotype is associated with seasonal variation of sow litter size.
Animal reproduction science - 1 Oct 2009
Ramírez O, Tomàs A, Barragan C, Noguera J L, Amills M, Varona L
Abstract excerpt
The duration of nocturnal melatonin secretion reaches its minimum in summer, a physiological event that is likely related with the diminished sow fertility and delayed puberty typically observed in this season. Melatonin exerts its function by binding two different receptors named as MTNR1A and MTNR1B. Interestingly, the MTNR1A gene is located on a chromosome SSC17 region where QTL for prolificacy traits have...
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