Nutrient intake, productive performance and body measurements of dairy heifers fed with different sources of protein - doi: 10.4025/actascianimsci.v35i3.18749

This study evaluated the effect of different protein sources (soybean meal, cottonseed meal, peanut meal and sunflower meal) on dry matter and nutrient intake, productive performance and body measurements of dairy heifers, Holstein x Zebu, recreated in confinement. The experiment consisted in a rand...

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Bibliographic Details
Published in:	Acta scientiarum. Animal sciences Vol. 35; no. 3
Main Authors:	Mota, Diego Azevedo, Berchielli, Telma Teresinha, Canesim, Roberta Carrilho, Rosa, Bruna Laurindo, Ribeiro, Andressa Fereirra, Brandt Filho, Heitor Violin
Format:	Journal Article
Language:	English
Published:	Editora da Universidade Estadual de Maringá (Eduem) 08-07-2013
Subjects:	body measurement daily gain protein concentrate sugarcane
Online Access:	Get full text
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Summary:	This study evaluated the effect of different protein sources (soybean meal, cottonseed meal, peanut meal and sunflower meal) on dry matter and nutrient intake, productive performance and body measurements of dairy heifers, Holstein x Zebu, recreated in confinement. The experiment consisted in a randomized complete block design made up by 6 replications and 4 treatments. The mean values of ingestion of ether extract (EEI, kg day-1) were statistically different (p < 0.05). The neutral detergent fiber intake (NDFI, %BW) also presented differences (p < 0.05), with higher values in the diet containing sunflower meal (1.01% BW) in relation to the diet with soybean meal (0.84% BW). The average daily weight gain using the diet with soybean meal was superior (0.95 kg day-1) to the diet with sunflower meal (0.82 kg day-1), and considering the final body weight, the diet with soybean meal was superior to the other treatments (p < 0.05). The heart girth presented greater association with body weight (0.93). The soybean meal promoted the best productive performance of crossbred Holstein x Zebu heifers fed diets based on sugarcane. However, cottonseed meal, peanut meal and sunflower meal can be possible alternatives to soybean meal.
ISSN:	1806-2636 1807-8672
DOI:	10.4025/actascianimsci.v35i3.18749