Laboratory of Improvement and Integrated Development of Animal
Productivity and Food Resources, Higher School of Agriculture of Mateur,
University of Carthage, Tunis, Tunisia
Sihem Amiri
Institut National Agronomique, 43 Avenue Charles Nicoles 1082,
Tunis-Mahrajène, Tunisia
Abderrahmane Ben Gara
Laboratory of Improvement and Integrated Development of Animal
Productivity and Food Resources, Higher School of Agriculture of Mateur,
University of Carthage, Tunis, Tunisia
Boulbaba Rekik
Laboratory of Improvement and Integrated Development of Animal
Productivity and Food Resources, Higher School of Agriculture of Mateur,
University of Carthage, Tunis, Tunisia
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This study aims to investigate the screening of leptin genetic polymorphism and its effect on lameness prevalence. Prevalence of lameness was evaluated and results showed that genotypes and other factors included in the logistic regression model significantly affect the prevalence of lameness in Holstein cows (P < 0.01). The probability of lameness incidence varied between 37 % and 99 % with parity. This recorded incidence is greater in winter and autumn than in the summer and spring.
This study aims to investigate the screening of leptin genetic polymorphism and its effect on...