Correlation between Intake and Ingestive Behaviour of Confined Holstein-Zebu Crossbred Heifers
R. R. Silva, A. C. Oliveira, G. G. P. Carvalho, F. F. Silva, B. L. Mendes, V. V. S. de. Almeida, L. B. O. Rodrigues Rodrigues, A. A. Pinheiro, A. P. G. Silva, R. M. do Prado
Journal of Experimental Agriculture International · pp. 15–21 · Published 9 Dec 2014
10.9734/AJEA/2015/13824Abstract
The aim of the study was to evaluate the correlation between variables referring to feed intake and behaviour of confined Holstein-Zebu crossbred heifers. The experiment was conducted at the dairy unit of the Southwest Bahia State University, campus Itapetinga, Brazil. Sixteen ¾ Holstein x ¼ Zebu heifers with average of 12 months old and initial weight of 150 kg were randomly distributed into four treatments, with four repetitions. A moderate positive correlation was observed between feeding time and NDF and NFC intake variables. The feeding efficiency of NDF was highly correlated with DMI. The variables referring to time of feeding, rumination and boluses per day were observed to be highly correlated with the intake variables, thus showing great potential to draw up predictive equations.
Cited by 2
Alexandre Fernandes Perazzo, Sansão de Paula Homem Neto, Ossival Lolato Ribeiro · Tropical Animal Health and Production · 2017
Angélica Francelina Sampaio, Fabrício Bacelar Lima Mendes, Robério Rodrigues Silva · Acta Scientiarum. Animal Sciences · 2025
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