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Accuracy of Body Weight Prediction in Nigerian Red Sokoto Goats Raised in North Eastern Nigeria Using Linear Body Measurement

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Author(s): Isaac A. Adeyinka | Ibrahim D. Mohammed

Journal: Pakistan Journal of Biological Sciences
ISSN 1028-8880

Volume: 9;
Issue: 15;
Start page: 2828;
Date: 2006;
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Keywords: Goats | body measurement | body weight | prediction | regression

ABSTRACT
The relationship between live body weight and linear body measurements of 163 complete sets of records were analysed using linear and multiple regression. The regression equations obtained were improved by stepwise approach of analysis. The accuracy of the relationship was found to depend upon sex and time measurement were taken within the year. The best prediction equation was obtained for female. The best equation was obtained in the period of February to April. In the males the best predictive variables were chest girth, height at withers and body length while for females only chest girth and body length is enough to predict live body weight even more accurately. Because of variation in the accuracy of prediction from one period to another within a year, the use of linear body measurement may not be considered as precise predictors of body weights in this group of goat.

Tango Jona
Tangokurs Rapperswil-Jona

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