Relationship between Body Weight and Linear Body Measurements in Pakistani Quail (Coturnix japonica PK)
Relationship between Body Weight and Linear Body Measurements in Pakistani Quail (Coturnix japonica PK)
Memoona Adil1, Muhammad Tayyab1, Jibran Hussain2, Sehrish Firyal1, Saadat Ali3, Muhammad Azam4, Muhammad Wasim1 and Ali Raza Awan1*
ABSTRACT
In this study total of 150 Pakistani quail (Coturnix japonica PK) locally evolved in Pakistan were used at the age of 30 days to reveal the relationship between body weight and linear body measurements. Body measurements included body weight (BW), body length (BL), wing spread (WS), shank length (SL), shank circumference (SC), drumstick length (DL), drumstick circumference (DC), breast width (BD) and keel length (KL). The overall association between BW and other body measurements was found highly significant (p-value = 0.000). A multiple linear regression model for both male and female birds was found to be highly significant (p-value=0.000). In male birds, there was a strong positive correlation between BW and BL (p-value=0.000) and a moderate negative correlation between BW and DC (p-value=0.000). Other body measurements were observed as weakly correlated with BW (p values >0.05). In female birds, there was a strong positive correlation between BW and BL (p-value=0.000). The interdependence between BW and SL has been observed to be a moderate negative correlation (p-value < 0.01). The body measurement DC was moderately negatively correlated with body weight BW (p-value < 0.01). Two variables SC and DL were also found to be moderately positively correlated with BW (p values < 0.001 and < 0.004 respectively). The rest of the variables were weakly correlated with BW. This study revealed a strong correlation between BW and BL of both male and female birds which can be further used as criteria for assessment and early selection of Coturnix japonica PK for early body weight evaluation.
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