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Khalifa, H., Ashour, A., Youssef, M., Ghoneim, M. (2011). PHYSIOLOGICAL RESPONSE, BLOOD PARAMETERS, AND REPRODUCTIVE PERFORMANCE OF BUFFALO COWS TREATED WITH ZINC METHIONINE AND NIACIN UNDER COOLING SYSTEM DURING SUMMER SEASON IN EGYPT. Journal of Animal and Poultry Production, 2(2), 1-12. doi: 10.21608/jappmu.2011.83330
H. H. Khalifa; A. M. Ashour; M. M. Youssef; M. M. Ghoneim. "PHYSIOLOGICAL RESPONSE, BLOOD PARAMETERS, AND REPRODUCTIVE PERFORMANCE OF BUFFALO COWS TREATED WITH ZINC METHIONINE AND NIACIN UNDER COOLING SYSTEM DURING SUMMER SEASON IN EGYPT". Journal of Animal and Poultry Production, 2, 2, 2011, 1-12. doi: 10.21608/jappmu.2011.83330
Khalifa, H., Ashour, A., Youssef, M., Ghoneim, M. (2011). 'PHYSIOLOGICAL RESPONSE, BLOOD PARAMETERS, AND REPRODUCTIVE PERFORMANCE OF BUFFALO COWS TREATED WITH ZINC METHIONINE AND NIACIN UNDER COOLING SYSTEM DURING SUMMER SEASON IN EGYPT', Journal of Animal and Poultry Production, 2(2), pp. 1-12. doi: 10.21608/jappmu.2011.83330
Khalifa, H., Ashour, A., Youssef, M., Ghoneim, M. PHYSIOLOGICAL RESPONSE, BLOOD PARAMETERS, AND REPRODUCTIVE PERFORMANCE OF BUFFALO COWS TREATED WITH ZINC METHIONINE AND NIACIN UNDER COOLING SYSTEM DURING SUMMER SEASON IN EGYPT. Journal of Animal and Poultry Production, 2011; 2(2): 1-12. doi: 10.21608/jappmu.2011.83330

PHYSIOLOGICAL RESPONSE, BLOOD PARAMETERS, AND REPRODUCTIVE PERFORMANCE OF BUFFALO COWS TREATED WITH ZINC METHIONINE AND NIACIN UNDER COOLING SYSTEM DURING SUMMER SEASON IN EGYPT

Article 1, Volume 2, Issue 2, February 2011, Page 1-12  XML PDF (411.37 K)
Document Type: Original Article
DOI: 10.21608/jappmu.2011.83330
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Authors
H. H. Khalifa1; A. M. Ashour1; M. M. Youssef2; M. M. Ghoneim2
1dept. of Animal Production, Fac. Agric., Al-Azhar Univ., Nasr City, Cairo, Egypt
2Animal Production Res. Inst., Dokki, Giza, Egypt.
Abstract
Thirty Egyptian healthy female buffalo cows were used in this study. The experimental animals were divided into two similar groups (15 in each group).  control (G1, non-cooling) and cooling group (G2). Each group was divided into three sub-groups (5 in each),control, supplemented with zinc methionine or niacin.Source of cooling water was the main concrete tank of the farm where temperature of the water ranged between 19-21 C0 at time of cooling. Results show that skin and rectal temperature degrees, and respiration rate decreased under cooling system. Cooling system decreased (P<0.05) haemoglobin concentration and packed cell volume (PCV %), while the effect of feed supplements was not significant. Zinc and Niacin supplements increased (P<0.05) total protein concentration in blood plasma only under cooling system. Albumin and glucose concentrations in blood plasma were not significantly effected. Blood urea nitrogen concentration in blood plasma decreased (P<0.05) in feed supplements under cooling groups. All groups of under cooling system showed shorter days open compared with those under non-cooling system, being the highest with Zn and Niacin supplementats. Zn and Niacin supplementation increased (P<0.05) conception rate under cooling system than those in the under non-cooling system.
Keywords
Buffalo cows; THI; haematology; blood biochemicals; Days open
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