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Effect of melatonin on the reproductive characteristics of rams of north east Bulgarian fine fleece breed
(Publ House Bulgarian Acad Sci, Sofia, 2014)
Some ruminant species, including sheep, show a markedly seasonal breeding cycle. There is evidence for the practical use of the pineal hormone melatonin to improve reproduction in sheep but the mechanism of action of the ...
Effect of supplementation with inorganic and organic selenium on sperm quality and quantity in North-East Bulgarian merino rams / Uticaj dodavanja neorganskog i organskog selena na kvalitet i količinu sperme ovnova severoistočne bugarske merino rase
(Institute for Animal Husbandry, Belgrade, 2018)
Selenium is a trace element, which stimulates antioxidant defenses and improves reproductive functions in human and animals, under the form of selenoproteins. The objective of the study was to evaluate the effect of selenium, ...
Study of the effects of low temperatures on the morphological status of ram spermatozoa
(Institute for Animal Husbandry, Belgrade-Zemun, 2019)
The aim of the study was to evaluate how the process of cryopreservation influenced the morphological status of ram sperm. The experiment was carried out with 26 sexually matured, pure bred rams ...