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Ahmed Hossam Mahmoud

Associate Professor

أستاذ مشارك

كلية العلوم
2b 162
المنشورات
مقال فى مجلة

Evaluation of diet containing lactobacilli on performance, fecal Coliform, and Lactobacilli of young dairy calves

Cattle – calf; Lactobacilli

Twenty-four Holstein bull calves were used in this study. Eight calves per treatment were assigned randomly to one of three treatments: 1) control, 50% whole pasteurized milk added to 50% milk replacer; 2) whole pasteurized milk and milk replacer treated with commercial culture of lactobacilli (Lactobacillus acidophilus plus L. plantarum); or 3) culture containing Lactobacillus acidophilus 27SC added to the same milk in treatments 1 and 2. Water and starter ration were offered for ad libitum intake throughout the trial. Calves were weaned abruptly at week 10 and received only water and starter during the postweaning period. Fecal counts of lactobacilli were higher than those for coliforms for healthy calves but lower than fecal coliforms for calves suffering from scours. Incidence of diarrhoea decreased after week 1 in calves fed diets in treatments 1 and 2. Lactobacilli increased in feces of calves fed the liquid diet treated with L. acidophilus 27SC.Performance of calves was not significantly affected by treatments, although body weight (BW) increased most during weeks 7–9 for calves fed the mixed lactobacilli and in weeks 10–12 for calves fed L. acidophilus 27SC.

نوع عمل المنشور
مقال علمي
رقم المجلد
57
رقم الانشاء
1-2
مجلة/صحيفة
Animal feed science and technology
الصفحات
39-49
مزيد من المنشورات
publications

ABSTRACT
We detected genetic variations and single nucleotide polymorphisms (SNPs) of tyrosinase gene (Tyr) among seven camel
populations in Saudi Arabia. Exon 1 of TYR was amplified…

بواسطة Ahmed Hossam Mahmoud
2019