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. Enhancing the feeding value of combination of alternate protein sources in White Leghorn layer

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Title . Enhancing the feeding value of combination of alternate protein sources in White Leghorn layer
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Creator S.V. Rama Rao, K. Prashanth,S.S. Paul, M.V.L.N. Raju , D. Nagalakshmi and B. Prakash
 
Subject Alternative protein, laying hens, cotton seed, distillers dried grain solubles, rapeseed
 
Description Not Available
NA study was conducted to evaluate the effects of including graded levels of an
alternate protein mixture (APM) containing cottonseed meal, distillers dried
grain with solubles and mustard seed meal in a fixed ratio as a substitute for
soybean meal in layer diets (hens aged 27 to 46 weeks). The trial studied the
possibility of higher inclusion levels of APM to increase dietary concentrations
of crude protein (CP) or critical amino acids (CAA).
2. Maize–soybean meal diet was used as the control diet. In experiment 1, APM
was included at 0, 120, 160 and 200 g/kg diet (145 g/kg CP). In experiment 2,
the control and three test diets (200 g/kg APM) with three levels of CP (145,
155 and 165 g/kg) were used. In experiment 3, a control and four test diets (200
g/kg APM) with four concentrations of CAA (100, 105, 110 and 115% relative
to the control) were used. In all experiments, each diet was fed ad libitum to
nine replicates of 88 birds each, housed in colony cages.
3. In experiment 1, egg production (EP) and feed intake (FI) were not affected by
feeding up to 160 g/kg APM, but, at 200 g/kg, EP was significantly reduced.
Feed conversion ratio (FCR) for the hens fed the highest level of APM was
similar to the control. Egg weight (EW) and egg mass (EM) in the 160 and 200
g/kg AMS groups were lower than the control group.Increase in dietary CP from 145 to 155 g/kg improved EP and reduced FCR to
levels similar to the control group. EM in hens fed 165 g/kg APM was similar
to the control in experiment 2.
5. Increasing concentrations of CAA progressively improved EP and reduced FCR
in experiment 3. The EP at CAA 110% and FCR at CAA 105% were similar to
the control group.
6. Based on the results, it was concluded that the APM can be included up to 160
g/kg diet without affecting layer performance, as long as the diet supplied the
recommended levels of protein and amino acids. By increasing either protein
from 145 to 155 g/kg or CAA concentrations by 10%, the dietary levels of the
APM could be increased to 200 g/kg without affecting the layer performance
Not Available
 
Date 2020-08-11T10:53:12Z
2020-08-11T10:53:12Z
2020-07-22
 
Type Research Paper
 
Identifier S.V. Rama Rao , K. Prashanth , S.S. Paul , M.V.L.N. Raju , Nagalakshmi D & B. Prakash (2020): Evaluation of feeding value of combination of alternate protein sources in White Leghorn layers, British Poultry Science, DOI: 10.1080/00071668.2020.1799331
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http://krishi.icar.gov.in/jspui/handle/123456789/39457
 
Language English
 
Relation Not Available;
 
Publisher Tandof