Relationship between body condition score, body weight, some nutritional metabolites changes in blood and reproduction in Algerian Montbeliad cows

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Abstract

The objective of this study was to investigate through a nutritional and biochemical approach the variability of reproductive performance in dairy cows of semi arid area herds. Seventy four multiparous females reared in four farms were tracked from one month before calving to the third month postpartum. Information about reproductive events were taken once a month, and the body condition score evaluated on a 1 to 5 scale according to the EDMONSON method (1989). Blood samples were taken on a sample of 23 cows chosen according to body condition score before calving for biochemical analysis of energy, nitrogen and minerals parameters. Maximum concentrations depended to physiological stage. Blood glucose and calcium are stable at around 0.60g/l and 0.76 g/l respectively (p > 0.05). Uremia (0.27g/l vs 0.16g/l) and triglycerides (0.74g/l vs 0.48g/l) are higher in the first month of lactation (p < 0.05). Cholesterol (1.42g/l vs 1.03g/l) is higher in the 3rd month post-partum. The results show also that best performances are recorded in cows with BC before calving around 3 and 3.5 (p < 0.05) and for those loosing less BC in the first months postpartum. The nutritional and metabolic profiles of females were used to characterize high female performance which has a reduces format and losses of BC in post-partum are minimal and late; They express the moderate concentration of glucose (0.60g/l), elevated cholesterol ( > 1.20 g/l) and low triglycerides (about 0.60 g/l). Great format Cows with early and significant loss of BC after calving. They express a poor reproductive performance with high triglycerides concentration (1.02 g/l) in the 1st month of lactation.

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APA

Mouffok, C., Madani, T., Smara, L., Baitiche, M., Allouche, L., & Belkasmi, F. (2011). Relationship between body condition score, body weight, some nutritional metabolites changes in blood and reproduction in Algerian Montbeliad cows. Veterinary World, 4(10), 461–466. https://doi.org/10.5455/vetworld.2011.461-466

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