Prediction of Testicular Weight in Local Chickens Using Linear Body Measurements

Abstract

The study was conducted in Muda-Lawal Market Bauchi, Bauchi state from June to August, 2016. A total of 400 matured cocks (357 normal feathered, 23 naked neck and 20 frizzled) were used to obtained the following measurements: comb height, comb length, wattle length, neck length, wingspan, trunk length, body length, girth circumference, drumstick length, shank length and testicular weight. Data generated were subjected to analysis of variance, Pearson correlation analysis and prediction models using simple and multiple linear regression. The mean comb height, comb length, wattle length, neck length, wingspan, trunk length, body length, girth circumference, drum stick length, shank length andtesticular weight were 4.93 cm, 7.53 cm, 3.98 cm, 13.61 cm, 47.50 cm, 21.80 cm, 45.24 cm, 32.70 cm, 14.38, 11.05 cm and 14.41g, respectively. Strain had significant effect on comb height (P<0.01) and length (P<0.05), neck lengths (P<0.001) and testicular weight (P<0.05) while influence of comb type on height and girth circumference (P<0.001) was evident. Correlation between the body measurements (comb length, wattle length, neck length, wingspan, trunk length, body length, girth circumference, drumstick length and shank length) and testicular weight were low to moderate, positive and significant (P<0.01). Comb height and length and, wattle length were found to have the highest correlation coefficient (R) values of 0.493, 0.534 and 0.480 and coefficient of determination (R 2 ) of 0.241, 0.285 and 0.230, respectively. The coefficients of determination of the combine traits (comb height and length and, wattle length) was 0.420. Moreover, this study indicated that secondary sexual characters (comb and wattle parameters) are good predictors of testicular weight in local chickens.

Authors and Affiliations

Shuaibu A. , Mbap S. T. , Mancha Y. P. , Ja’afar A. M

Keywords

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  • EP ID EP443116
  • DOI 10.9790/2380-1201026470.
  • Views 97
  • Downloads 0

How To Cite

Shuaibu A. , Mbap S. T. , Mancha Y. P. , Ja’afar A. M (2019). Prediction of Testicular Weight in Local Chickens Using Linear Body Measurements. IOSR Journal of Agriculture and Veterinary Science (IOSR-JAVS), 12(1), 64-70. https://europub.co.uk/articles/-A-443116