English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

The objective of this study was to evaluate the biological efficiency of the milk replacer in thesubstitution of whole milk for calves at the first months of age and at rearing fase. This study wasconducted in Universidade Tecnologica Federal do Parana (UTFPR), Campus Dois Vizinhos, fromMay 2011 to April 2012. This research was carried out on 32 animals, assigned in a completelyrandomized design with four treatments (100% whole milk, 34% milk replacer + 66% whole milk,66% milk replacer + 34% whole milk and 100% milk replacer) and eight replications.The data wereanalyzed by analysis of variance and regression at 5% of significance. Regarding the morphometricmeasurements, only the gain of chest circumference presented significant difference. The use of milkreplacer in the substitution of whole milk during pre-weaning phase showed negative linear responsefor levels 100%, 66%, 34% milk replacer, nevertheless during the post-weaning phase there wasa compensatory gain for the animals fed with 34% and 66 % milk replacer. The use of 100% milk replacer for Holstein calves at pre-weaning phase was not efficient during lactation, althoug, duringpost-weaning phase, partial replacement of milk by milk replacer (66% + 34% milk replacer) was anefficient option because there was a favorable compensatory growth. Keywords: consumption; male calves; morphometric measures.

USO DE SUCEDÂNEO EM SUBSTITUIÇÃO AO LEITE NO DESEMPENHO DE BEZERROS DA RAÇA HOLANDESA DURANTE A CRIA E RECRIA