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dc.contributor.authorGojam, Y.
dc.contributor.authorTegegne, Azage
dc.contributor.authorGebrewold A.
dc.contributor.authorBekele, T.
dc.date.accessioned2013-05-06T07:00:47Z
dc.date.available2013-05-06T07:00:47Z
dc.date.issued2004
dc.identifier.citationEthiopian Veterinary Journal;8(2): 85-93
dc.identifier.issn1683-6324
dc.identifier.urihttp://hdl.handle.net/10568/28524
dc.description.abstractAn experiment was conducted to determine the effects of feeding different calf starter rations, weaning age and their interactions on testicular growth and body weight of Borena Friesian (BF) crossbred bull calves at the age of 105 (closer to weaning) and 202 (nearly 6 months) days. Statistical analysis indicated no significant differences (p>0.05) in values obtained in testes diameter (TD) and scrotal circumference (SC) at both ages. There was, however, significant (p<0.05) and positive correlation between testes measurements and the body weight of bull calves. The result of this study suggests that Borena Friesian crossbred calves can successfully be weaned as early as seven weeks of age, provided that they are supplied with easily digestible solid feeds enough to support the protein and energy requirements of the growing calves. Adequate supply of proper solid feed both at pre and post weaning period, is believed to over come any adverse effect encountered during the pre-weaning period, through compensatory growth effect. Other aspects of rearing future bulls such as the effects of feed and other environmental factors on semen characteristics could be the subject of further study.
dc.language.isoen
dc.sourceEthiopian Veterinary Journal
dc.subjectETHIOPIA
dc.subjectCALVES (CATTLE)
dc.subjectCROSSBREDS
dc.subjectWEANING WEIGHT
dc.subjectAGE
dc.subjectANIMAL FEEDING
dc.subjectRATIONS
dc.subjectTESTES (ENDOCRINE GLANDS)
dc.subjectBODY WEIGHT
dc.subjectBULLS
dc.subjectTESTES (ENDOCRINE GLANDS)
dc.subjectLIVESTOCK MANAGEMENT
dc.subjectSCROTUM
dc.subjectMEASUREMENT
dc.titleThe effect of weaning age and feeding of different calf starter rations on testicular growth and body weight of Borena-Friesian crossbred bull calves
dc.typeJournal Article
cg.subject.ilriCATTLE
cg.subject.ilriANIMAL BREEDING
cg.subject.ilriFEEDS
cg.subject.ilriANIMAL FEEDING
cg.identifier.statusLimited Access


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