Body weight correlated positively with all the linear body measurements and significantly p 005 in male guinea pigs. All variables of linear measurements of the body have a strong relationship with body weight the strongest relationship is body weight with chest circumference and tail circumference.
Stepwise Multiple Regression Of Breast Weight On Body Weight
Linear body measurement and body weight of poultry quial. Linear body measurements as predictors of body weight in nigerian local chickens. Determination of body weight age relationship by non linear models in japanese quail article pdf available in journal of animal and veterinary advances 113314 317 march 2012 with 46 reads. Therefore their variability in poultry arises due to genotypic and environmental effects and the. Asset series a 82. Relationship between body weight and linear body measurements in japanese quail cortunix cortunix japonicaproceedings genetics. The best single measurement was pelvis width with an r2 067.
The effect of various factors viz. Between body weight and linear traits are presented in table 2 with respect to sex. The parameters measured were body weight bw body length bl heart girth hg wing length wl shank length sl and shank thickness st. Bw g 9300 685 breast cm 485 circumference cm 628 pelvis cm. Between body weight and linear measurements and to predict body weight from linear measurements of body length bl body girth bg wing length wl shank length sl shank diameter sd and drum stick dsthe results showed that the mean quail birds body weights thwere 3523g and 14378g at 2nd and 8 weeks respectively. 206 212 ojo v fayeye t.
Pair wise correlation between body weight and the linear body measurements were positive and highly significant r 0166 0697 in males and 0411 0714 in females. Generally linear or morphometric body measurements could serve as predictors of body weight. Results and disscusion effect of non genetic factors. The data obtained were subjected to analysis of variance and simple linear regression analysis using the restricted maximum likelihood reml procedure of spss statistical software. Multiple linear regression was used to estimate bw from body measurements. Estimation of body weight using multiple regression functions bw 187 0408bh 0172bl 0274cc 0178tc has an accuracy higher than the estimated body weight using the schoorl formula.
Period of birth sex dams age and weight at lambing on linear body measurements and adult body weight was studied to standardize the data for estimation of genetic parameters. Inclusion of three body measurements in an equation resulted in r2 078 and the following equation. Similar result was observed in females except for body weight and fore leg length which negatively. 1998 was utilized to predict abw from linear body measurements. Linear body measurements of shank length breast girth body length and wing length as well as body weight of each quail chick were measured on weekly basis until maturity at six weeks.
Gallery of Linear Body Measurement And Body Weight Of Poultry Quial
