THE EFFECT OF BETA-CAROTENE ON FERTILITY AND PROGESTERONE LEVEL OF DAIRY COWS | ||||
| Assiut Veterinary Medical Journal | ||||
| Article 28, Volume 22.2, Issue 44, January 1990, Page 178-185 PDF (1.68 MB) | ||||
| Document Type: Research article | ||||
| DOI: 10.21608/avmj.1990.188143 | ||||
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| Authors | ||||
| A.H. ZA GHLOUL; N.H. SALEH; S.H. SHEHATA; M.N. ISMAIL | ||||
| Abstract | ||||
| The effect of beta-carotene on the fertility and milk progesterone level of dairy cows was studied through the oral administration of 600 mg/ cow/day of a patent preparation of beta-carotene for a period of 3 months. Four (80%) of the five experimental cows conceived and proved to be pregnant, following the consumption of the preparation. The Radio immunoassay (RIA) of the milk progesterone revealed the presence of a significant (P/ 0.005) increase of the hormone level after the intake of beta-carotene. A significant (P/ 0.005) increase of milk progesterone level was also observed in the pregnant than non-pregnant cows with values of 19.075+2.139 ng/ml and 6.27+1.5 ng/ml respectively. | ||||
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