Estimation of lysine requirements for growing Japanese quails

Summary This study was conducted to estimate the lysine requirements of growing meat‐type Japanese quails based on different growth responses using different regression models. Experimental treatments including five doses of dietary lysine (9.40, 10.9, 12.4, 13.9 and 15.4 g/kg of diet) were used in...

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Bibliographic Details
Published in:Journal of animal physiology and animal nutrition 2018-04, Vol.102 (2), p.557-563
Main Authors: Hasanvand, S., Mehri, M., Bagherzadeh‐Kasmani, F., Asghari‐Moghadam, M.
Format: Article
Language:English
Subjects:
Birds
breast meat yield
Chicks
Diet
dressing
Feed efficiency
Growth rate
Juveniles
leg meat yield
Lysine
Meat
Physical growth
Quail chick
Regression analysis
Regression models
Statistical analysis
Weaning
Yield
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Summary:Summary This study was conducted to estimate the lysine requirements of growing meat‐type Japanese quails based on different growth responses using different regression models. Experimental treatments including five doses of dietary lysine (9.40, 10.9, 12.4, 13.9 and 15.4 g/kg of diet) were used in a dose‐response platform from 7 to 21 day of age. A total of 375, 7‐day old quail chicks were randomly allotted to one of five dietary treatments with five replicate pens and 15 birds per pen. Performance traits including feed intake (FI), weight gain (G) and feed:gain (F:G) and carcass criteria including dressing (DRS), breast meat yield (BMY) and leg meat yield (LMY) were measured and used to fit several models (e.g., spline and quadratic polynomial models). Except FI and LMY, other parameters responded to dietary treatments (p 
ISSN:0931-2439
1439-0396
DOI:10.1111/jpn.12787