Effect of Selenium, Zinc, Vitamin C and E on Boar Ejaculate Quality at Heat Stress
The aim of experiment was to test effect of selected antioxidants (selenium, zinc, vitamin C and E) to reduce the impact of heat stress at boars. In the experiment, boars of Duroc breed were tested. The first control group (n = 10) was not supplemented with antioxidants. The second experimental grou...
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doaj-11d0b327aa23497180c74645248c28142020-11-25T01:01:09ZengMendel University PressActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis1211-85162464-83102016-01-016441167117210.11118/actaun201664041167Effect of Selenium, Zinc, Vitamin C and E on Boar Ejaculate Quality at Heat StressPavel Horký0Ladislav Zeman1Jiří Skládanka2Pavel Nevrkla3Petr Sláma4Department of Animal Nutrition and Forage Production, Faculty of Agronomy, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech RepublicDepartment of Animal Nutrition and Forage Production, Faculty of Agronomy, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech RepublicDepartment of Animal Nutrition and Forage Production, Faculty of Agronomy, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech RepublicDepartment of Animal Breeding, Faculty of Agronomy, Mendel University in Brno, Zemědělská 1, Brno, Czech RepublicDepartment of Animal Morphology, Physiology and Genetics, Faculty of Agronomy, Mendel University in Brno, Zemědělská 1, Brno, Czech RepublicThe aim of experiment was to test effect of selected antioxidants (selenium, zinc, vitamin C and E) to reduce the impact of heat stress at boars. In the experiment, boars of Duroc breed were tested. The first control group (n = 10) was not supplemented with antioxidants. The second experimental group (n = 10) was supplemented with antioxidants in the following quantities of 0.5 mg of selenium (seleno-methionine), 100 mg of zinc (zinc-methionine), 70 mg of vitamin E (alpha‑tocopherol) and 350 mg of vitamin C (ascorbic acid) per kilogram of their feed. The experiment was carried out for 120 days and took place in summer (June to September). During the experiment, average and maximum daily temperatures, where boars were stabled, were monitored. Average daily temperature ranged from 12 to 28 °C. Maximum temperature during the day was from 13 to 32 °C. The evaluation of the semen quality has revealed increased number of abnormal spermatozoa in the control group of boars by 39 % (P < 0.05). There were observed no significant changes at other monitored parameters (ejaculate volume, total count of produced sperm, motility and sperm concentration). The results show that the addition of selenium, zinc, vitamin C and E may reduce the effect of heat stress to some extent at breeding boars.https://acta.mendelu.cz/64/4/1167/antioxidantboarsejaculateheat stress |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Pavel Horký Ladislav Zeman Jiří Skládanka Pavel Nevrkla Petr Sláma |
spellingShingle |
Pavel Horký Ladislav Zeman Jiří Skládanka Pavel Nevrkla Petr Sláma Effect of Selenium, Zinc, Vitamin C and E on Boar Ejaculate Quality at Heat Stress Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis antioxidant boars ejaculate heat stress |
author_facet |
Pavel Horký Ladislav Zeman Jiří Skládanka Pavel Nevrkla Petr Sláma |
author_sort |
Pavel Horký |
title |
Effect of Selenium, Zinc, Vitamin C and E on Boar Ejaculate Quality at Heat Stress |
title_short |
Effect of Selenium, Zinc, Vitamin C and E on Boar Ejaculate Quality at Heat Stress |
title_full |
Effect of Selenium, Zinc, Vitamin C and E on Boar Ejaculate Quality at Heat Stress |
title_fullStr |
Effect of Selenium, Zinc, Vitamin C and E on Boar Ejaculate Quality at Heat Stress |
title_full_unstemmed |
Effect of Selenium, Zinc, Vitamin C and E on Boar Ejaculate Quality at Heat Stress |
title_sort |
effect of selenium, zinc, vitamin c and e on boar ejaculate quality at heat stress |
publisher |
Mendel University Press |
series |
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis |
issn |
1211-8516 2464-8310 |
publishDate |
2016-01-01 |
description |
The aim of experiment was to test effect of selected antioxidants (selenium, zinc, vitamin C and E) to reduce the impact of heat stress at boars. In the experiment, boars of Duroc breed were tested. The first control group (n = 10) was not supplemented with antioxidants. The second experimental group (n = 10) was supplemented with antioxidants in the following quantities of 0.5 mg of selenium (seleno-methionine), 100 mg of zinc (zinc-methionine), 70 mg of vitamin E (alpha‑tocopherol) and 350 mg of vitamin C (ascorbic acid) per kilogram of their feed. The experiment was carried out for 120 days and took place in summer (June to September). During the experiment, average and maximum daily temperatures, where boars were stabled, were monitored. Average daily temperature ranged from 12 to 28 °C. Maximum temperature during the day was from 13 to 32 °C. The evaluation of the semen quality has revealed increased number of abnormal spermatozoa in the control group of boars by 39 % (P < 0.05). There were observed no significant changes at other monitored parameters (ejaculate volume, total count of produced sperm, motility and sperm concentration). The results show that the addition of selenium, zinc, vitamin C and E may reduce the effect of heat stress to some extent at breeding boars. |
topic |
antioxidant boars ejaculate heat stress |
url |
https://acta.mendelu.cz/64/4/1167/ |
work_keys_str_mv |
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