November 2012
Relationship between phenotypic and sperm traits of South African indigenous cockerels
The aim of the present study was to investigate the relationship between body measurements such as body weight, shank, comb and wattle length and semen traits. A total of 33 Indigenous cockerels (Naked Neck, Ovambo and Potchefstroom Koekoek) were used in this experiment. Semen was collected by abdominal massage technique from each individual cockerel. Semen was analysed macroscopically (colour,...
November 2012
Effect of direct-fed microbial and antibiotics supplementation on the health status and growth performance of broiler chickens under hot humid environmental conditions
The effect of dietary direct-fed microbial (DFM) and antibiotics supplementation on health status and growth performance of broiler chickens under hot humid environmental conditions was studied. A total of 600 one-day-old Cobb hybrid broilers were randomly allotted to three dietary treatments. Three hundred and twenty (320) birds were selected out of the 600 after phase 1 and allotted to four dietary...
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