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Prediction equation for estimating live body weight of dromedary calves.

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Title Prediction equation for estimating live body weight of dromedary calves.
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Creator N Saini, SC Mehta, NV Patil, DL Bohra, BD Kiradoo
 
Subject Prediction equation for estimating live body weight of dromedary calves.
 
Description Not Available
see more details. A total of 46 neonatal dromedary calves of 4 dromedary genotypes comprising 30 males and 16 females were measured up to 14 weeks of age. The breed and sex associated differences were non-significant (P> 0.05). Eleven regression models viz., linear, logarithmic, inverse, quadratic, cubic, compound, power, S, growth, exponential and logistic and the three body dimensions were utilised. Heart girth appeared as the most reliable predictor of the body weight at this stage of life. The power regression equation gave the best fit (R 2= 0.92) for the unique measurement of heart girth. Efforts were also made to derive the coefficients utilising the mean values and it was observed that most of the regression models explained the variability to the extent of≥ 99%. The quadratic equation Ycircumflex= 18.9162-0.6845 HG+ 0.011645 HG 2 and power equation Ycircumflex= 0.0008684 (HG 2.44333) explained the variability to the extent of 99.7% and may be used for the precise estimation of body weight during early months of the life. However, looking at the requirement of estimation of unique live weight, it is recommended that the power equation Ycircumflex= 0.0008684 (HG 2.44333) may be used as the most reliable one by the scientists, veterinarians and animal husbandry men for all practical purposes.
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Date 2020-01-07T09:11:09Z
2020-01-07T09:11:09Z
2013-01-01
 
Type Article
 
Identifier Not Available
0971-6777
http://krishi.icar.gov.in/jspui/handle/123456789/29357
 
Language English
 
Relation Not Available;
 
Publisher Camel Publishing House