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Archivos de Zootecnia

versión impresa ISSN 0004-0592


COSTA, L.T. et al. Intake behavior of cows fed with sugar-cane and different concentrate levels. Arch. zootec. [online]. 2011, vol.60, n.230, pp.265-273. ISSN 0004-0592.

The effects of different levels of supplementation of dairy cows fed to the sugar-cane base on the intake behavior of these encourage were studied. The levels of concentrate supplementation were defined by the balance of the diets to contain sufficient nutrients for maintenance and production of 6, 9, 12 and 15 of milk. The experiment was driven in the Paulistinha farm, in Macarani - BA city, in the period of July to september of 2006. 16 cows crossbred Holstein x zebu used distributed in a design entirely at random, where these animals were observed by two consecutive days and made an average of the results obtained for each animal, arriving to 32 observations and eight repetitions for treatment. The times spent with feeding, rumination and leisure, the time of total mastication, the number of cakes ruminates, the number of mastications merícicas a day and the time of rumination for cake didn't differ among the treatments (p>0.05), while for the number of mastications merícicas for cake presented a quadratic behavior and for the feeding efficiencies and rumination had a lineal increment with the increase of the concentrate level.

Palabras clave : Rumination; Supplementation; Feed efficiency.

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