Sex on body weight and linear body measurements of chickens. Body measurement was regressed against body weight at 9 weeks of age using simple linear and non linear exponential and double log regression analyses.
Standard Body Weight And Serum Estradiol And Progesterone
Linear body measurement of chicken. Studies on body weight and linear body measurements of castrate and non castrate savannah brown goats were carried out using ten goats consisting of two treatments t 1 and t 2t 1 represents castrates and t 2 represents non castrates. The following model were used for the statistical analysis. The prediction of body weight from body girth keel length and thigh length was studied using one hundred ross and one hundred anak titan broilers. Results indicated no significant p005 difference between the weight gain of castrates and non castrates. Each whole chicken was ground and a portion of ground material of each was used to measure water fat ash and energy content. Linear body measurement traits have been indicated as the good predictor of body weight in different chicken genotypes including chinese indigenous dagu chicken genotype tyasi et al 2017.
Determination of live body weights of chickens using the heart girth could earn farmers between 06 and 065 more while buyers will save between 01 and 02per kilogram body weight of chicken thus should be encouraged. Ironkwe received 20 april 2007. Multiple linear regression was used to estimate bw from body measurements. Pairwise pearson correlations were estimated using bodyweight bw and morphological trait measurements namely heart girth hg shoulder height sh and. The best single measurement was pelvis width with an r2 067. 29 january 2019 genome wide association study of body weight and feed efficiency traits in a commercial broiler chicken population a re visitation.
The strong relationship between live body weight and other body measurements could be exploited to increase the economic value of the indigenous chicken. The prediction of body weight from body girth keel length and thigh length was studied using one hundred ross and one hundred anak titan. For specific information regarding your body fat percentage or health please consult your physician. Stepwise simple and multiple regression procedure was employed to regress body weight for female chicken to determine the best fitting regression equations for the prediction of live body weight. Data were collected on the birds from day old to 9 weeks of age. The objective of this study was to determine the practicality of using linear body measurement traits to predict live weight of goats and sheep under communal grazing in three districts of botswana namely central kweneng and kgalagadi.
Estimation of body weight from linear body measurements in two commercial meat type chicken. Linear software will not be held responsible for any injury or problems resulting from the use of body tracker my workout trainer or this web site. Revision accepted 11may 2007 abstract.