Influence of most forage mycotoxins admissible concentration on horses artificial insemination efficiency
Journal Title: Біологія тварин - Year 2015, Vol 17, Issue 1
Abstract
This article highlights the experimental research results of most forage mycotoxins admissible concentration on mares homeostasis and mares artificial insemination efficiency by the cooled and thawed sperm. Complex influence of subclinical doses of zearalenone, toxin T-2, desoxynivalenol and aflatoxin on hematologic, biochemical indicators of blood breeding mares of the Ukrainian roadster breed is studied. It is established that existing of forages mycotoxins admissible levels for horses demands revision concerning breeding mares who are used in system of artificial insemination. It is established that complex hit in an mares organism of admissible concentration of zearalenone, T-2 of toxin, desoxynivalenol, an aflatoxin for four and more weeks reduces efficiency of copulation by 32.8 % (P<0.001), insemination by the cooled sperm for 29.5 % (P<0.001), the thawed sperm — for 25.1 % (P<0.001). At long receipt with a forage of mycotoxins admissible concentration first of all activity of γ-GT for the 14th days increases, and reaches peak for 21 days of experience that testifies to latent hepatic insufficiency. In five weeks of feeding of mares by a forage with admissible concentration of zearalenone, T-2 of toxin, desoxynivalenol and an aflatoxin of change of blood point to oppression of immune system and the hidden inflammatory processes which probably and promoted exit of foals decrease. The conducted researches allow us to speak or about need of decrease in admissible concentration of zearalenone, T-2 toxin, desoxynivalenol and aflatoxin for a stern for breeding mares at least twice; or about restriction of the period of feeding of breeding mares with a the struck forage in copulation period no more than 4–5 weeks. For increase exit of foals of artificial insemination it is necessary to consider complex negative effect of forage mycotoxins on a mares homeostasis.
Authors and Affiliations
A. V. Tkachov, I. A. Zhukova
Keywords
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