Plasma vitamin a and β-carotene levels in pregnant and non-pregnant holstein cows
This study was carried out to determine the changes of β-carotene and vitamin A levels on pregnant and nonpregnant cows, on 20 primiparous Holstein cows with same management conditions. The vaginal, rectal and ultrasonographic examinations were conducted on cows to determine the reproductiv...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Selcuk University Press
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| Series: | Eurasian Journal of Veterinary Sciences |
| Subjects: | |
| Online Access: | http://eurasianjvetsci.org/pdf.php3?id=216 |
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