This study was conducted in Tartus cattle station, on 14 Holishtain-Frisian calves at
the weaning age (12 weeks) in order to evaluate the effect of Methionine addition on the
productive parameters. The calves were divided in three groups, the first
one was
considered as a control, the second was fed on milk with 0.2% methionine, whereas the
third one on milk with 0.4% methionine.
The results showed that the Methionine addition to the diet of calves during the
weaning period, increased the daily growth rate after weaning, so this increase was 14%.
Our results also showed that the addition of Methionine improved the feed conversion
ratio after weaning.
أجريت هذه الدراسة في مبقرة طرطوس لدراسة إمكانية استخدام الحمض الأميني الميثيونين أثناء فترة الفطام والتي تعتبر مرحلة حساسة جداً للعجول حيث يتحول فيها من حيوان وحيدة المعدة الى حيوان مجتر
