Ann. Méd. Vét., 2012, 156 (2), pp 81-86 Relationship between cyclicity,
live weight and body
condition score in Ouled
Djellal ewes born in autumn
in East AlgeriaLAMRANI F., BENYOUNES A. , SULON J., SOUSA N.M., HORNICK J.-L., BECKERS J.-F., TAHAR A.Abstract :
The objective of the present
work was to describe the cyclicity
of Ouled Djellal ewes born
one year before regarding their
live weight and body condition
score, during the autumn season.
The study has been driven
in the region of Guelma, East of
Algeria, on 104 ewes belonging
to two farms. At the beginning
of the study, ewes from farms
A and B had similar ages but
differed in live weight and body
condition scores. The concentration
of progesterone was
determined by radioimmunoassay.
The level of spontaneous
cyclicity, as well as the plasmatic
level of the progesterone, were
influenced significantly by both
live weight and body condition
score (P<0.0001). If the first
was in favor of ewes with high
body weight and body condition
score, the second seemed
to be higher in slim cyclic ewes.
The body fatness appears to
influence positively the age of
puberty. Get the PDF Contact person : lamrani_farida@yahoo.fr |