Pregnancy rate following artificial insemination (AI) in sheep is variable depending on several factors. The Churra breed (milk breed of the North-West of Spain) yields lower fertility results compared with other local and European breeds (Manchega, Latxa, Merino, Lacaune, Sarde, etc.). In this work we studied the influence of many factors on the fertility of the Churra breed (insemination tech...

The objective of this study is to prospectively evaluate the seroepidemiology maedi-visna (MV) infections in intensively reared dairy sheep. A total 407 purebred Chios and Lacaune ewes from four farms were surveyed for two consecutive years serologically tested semiannually with an indirect ELISA at pre-mating pre-lambing. farms’ structure management practices similar animal traits (age, breed,...

Background: This study was conducted to evaluate the effects of feeding on biochemical parameters in terms metabolic profile female and male lambs Dorper Lacaune breeds at developmental stages from birth. Methods: A total 32 singleton newborn breed (n= 8 for each group; female) were used. The trial continued 5 nutritional periods 21-day after first two weeks (0-14 days) suckling period. determi...

The adoption of the best practices is crucial for survival dairy sheep farms that operate under extensive and/or semi-extensive systems. In this study, an efficiency analysis was implemented to reveal observed applied by more efficient farms. Data Envelopment Analysis used on data from 60 rear Manech or Basco-bearnaise, and Lacaune breeds systems in France. main characteristics most are present...