ORIGINAL PAPER
Effect of selenium, vitamins E and C on antioxidant potential and quality of boar ejaculate
1 |
Mendel University in Brno, Faculty of Agronomy, Department of Animal Nutrition and Forage Production, Zemedelska 1, CZ-613 00 Brno, Czech Republic |
2 |
Mendel University in Brno, Faculty of Horticulture, Department of Viticulture and Enology, Valticka 337, CZ-691 44 Lednice, Czech Republic |
3 |
Mendel University in Brno, Faculty of Agronomy, Department of Animal Breeding, Zemedelska 1, CZ-613 00 Brno, Czech Republic |
J. Anim. Feed Sci. 2016;25(1):29–36
Publication date: 2016-03-06
KEYWORDS
ABSTRACT
The aim of the experiment was to examine the effect of dietary
selenium, vitamins C and E mixture on the antioxidant status and quality of boar
ejaculate (Duroc breed). For 90 days the boars were divided into two groups (7 in
each group): experimental – fed diet supplemented with (mg · kg–1 of diet) selenium
0.5, vitamin C 350 and vitamin E 70; and control one. The ejaculate samples were
collected during three periods: at the beginning (point zero), days 0 – 45 and days
45 – 90. The antioxidant status and ejaculate quality were assessed. A higher lipid
peroxidation level in the ejaculate (48%; P < 0.05) after 90 days was found in the
control group. Also in this group decrease in sperm motility (12%; P < 0.05) and
increase in abnormal sperm percentage (81%; P < 0.05) were observed in samples
collected from days 45 – 90. In comparison to point zero the antioxidant status of
ejaculate increased in the experimental group when measured by ferric reducing
antioxidant potential (85%; P < 0.05) and 2,2,-dipheryl-1-picrylhydrazyl (130%;
P < 0.05) method and the lipid peroxidation decreased (36%; P < 0.05) after 90-day
dietary treatment. The results observed in the samples collected from days 45 – 90
showed that additional antioxidants mixture in the diet did not influence sperm
quality; however did prevent from negative changes observed in the control group.
In conclusion, the addition of selenium, mixture of vitamins C and E into diet increases
the antioxidant status of ejaculate and keeps its quality on stable level.
CORRESPONDING AUTHOR
J. Sochor
Mendel University in Brno, Faculty of Horticulture, Department of Viticulture and Enology, Valticka 337, CZ-691 44 Lednice, Czech Republic
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