作者: Eduardo Lisbinski , Magnos Fernando Ziech , Bruna Boito , Glasenapp de Menezes , Andréia Fiorelli
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摘要: The objective of this study was to evaluate the biological efficiency milk replacer in substitution whole for calves at first months age and rearing fase. This conducted Universidade Tecnologica Federal do Parana (UTFPR), Campus Dois Vizinhos, from May 2011 April 2012. research carried out on 32 animals, assigned a completely randomized design with four treatments (100% milk, 34% + 66% 100% replacer) eight replications.The data were analyzed by analysis variance regression 5% significance. Regarding morphometric measurements, only gain chest circumference presented significant difference. use during pre-weaning phase showed negative linear response levels 100%, 66%, replacer, nevertheless post-weaning there compensatory animals fed 66 % replacer.