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Bernardes et al., 2007. Arq. Bras. Med. Vet. Zootec., 59 (4): 955-964

Document reference 
Bernardes, E. B. ; Coelho, S. G. ; Carvalho, A. U. ; Oliveira; H.N. ; Reis; R.B. ; Saturnino; H.M. ; Silva; C.A. ; Costa, T.C., 2007. Effect of substitution of Tifton 85 hay by whole cotton seed as fiber source in the diets of calves. Arq. Bras. Med. Vet. Zootec., 59 (4): 955-964
Alternative title 

Efeito da substituicao do feno de Tifton 85 pelo caroco de algodao como fonte de fibra na dieta de bezerros

Abstract 

Twenty-four Holstein calves divided into two groups were used to evaluate Tifton 85 hay or whole cotton seed as fiber source in their diets. One group received Tifton 85 hay and concentrate ad libitum (hay group) and the other received ad libitum (cotton group) only concentrate with whole cotton seed incorporated (13,5%). Feed intake; weight; whither and ileum heights; thoracic and abdominal circumferences; acetate, propionate and butyric concentrations; pH of ruminal content; blood glucose; and rumen, reticulum, omasum and abomasum weights were measured. Feed intake; animal performance; acetate, propionate and butyric concentrations; pH of ruminal content; blood glucose and weight of stomach compartments did not differ between the groups (P>0.05). No clinical evidence of gossypol intoxication was observed. It was concluded that whole cotton seed replaced hay as fiber source in the diets of calves.

Citation key 
Bernardes et al., 2007
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