Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8426706 | Theriogenology | 2018 | 7 Pages |
Abstract
In treated rams, the concentration of melatonin in seminal plasma increased from 3.34â¯Â±â¯1.70â¯at day 0-9.65â¯Â±â¯2.89 AU (Arbitrary Units) after 90 days, then decreased to reach the level of the untreated ram after 120 days (pâ¯<â¯0.05). During 90 days after melatonin treatment, an increase (pâ¯<â¯0.05) in seminal plasma concentrations of glutamic acid (6.28â¯Â±â¯1.53 vs 14.93â¯Â±â¯1.53 AU at 0 and 90 days respectively), glutamine (16.89â¯Â±â¯4.65 vs 54.51â¯Â±â¯4.65 AU), carnitine (22.97â¯Â±â¯9.81 vs 104.30â¯Â±â¯9.81 AU), acetyl-carnitine (48.15â¯Â±â¯17.32 vs 217.69â¯Â±â¯17.32 AU), choline (1.82â¯Â±â¯1.55 vs 14.16â¯Â±â¯1.55 AU) and arginine (1.31â¯Â±â¯1.08 vs 14.25â¯Â±â¯1.08 AU) was detected. Tyrosine concentration increased during 30 days from melatonin treatment (12.79â¯Â±â¯3.93 vs 27.08â¯Â±â¯3.04 AU) but at 90 days its levels were similar to the untreated group. In conclusion, melatonin treatment during the non-breeding season improves the concentration of several metabolites in seminal plasma and sperm fertilization competence in Sarda breed ram.
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Authors
Valentina Satta, Maria Elena Manca, Laura Torres-Rovira, Sara Succu, Paolo Mereu, Michella Nehme, Gianpaolo Epifani, Marilia Gallus, Fiammetta Berlinguer, Salvatore Naitana, Giovanni Giuseppe Leoni,