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Study on High Dense Feed in Commercial Layers to Alleviate Physiological Stress During Transitional Phase

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Title Study on High Dense Feed in Commercial Layers to Alleviate Physiological Stress During Transitional Phase
Not Available
 
Creator T. Sujatha
C. Thangapandian
 
Subject Transitional phase,
physiological stress,
high dense feed,
commercial pullets,
haematology,
serum biochemistry
 
Description Not Available
A study was carried out to review Bureau of Indian Standards recommendations (BIS) for layer pullet feed and
study its efficacy of pre-lay feeds on haematology and serum protein. Commercial layer chicks were fed from 0 to 14 weeks of age as per BIS. At 15 weeks, pullets were randomly assigned to each of five pre-lay diets namely, TI (BIS control), T2-16/2700, T3-18/2700 (%CP/ kcal ME/kg); 14-Same as T2+lysine and methionine by 10% higher than BIS and TS -same as T4 with 2 per cent oil. Signiicantly higher values of Packed Cell Volume, Haemoglobin, Red Blood Cell count and Heterophil/Lymphocyte ratio obtained in the present study from pullets fed with high dense pre lay diet indicated that pullets were healthy with a normal metabolic rate. Significantly higher H/L ratio of the control group indicated that birds seemed to be under stress due to nutritional deficiency during the critical pre-lay periods. also haemoglobin level was lower in this group although it was within normal metabolic range. Total serum protein was high in pullets fed with higher pre-lay protein level of 18 per cent. Hence, it is concluded that pullets nearing lay are under metabolic stress and pre-lay diet containing 2700 kcal/kg of dietary energy and 18 per cent CP is advisable for pullets before sexual maturity as against the BIS recommendation of 2500/16 dietary energy and protein level to lower the stress and to make pullets entering into layer house with sufficient nutrient reserves.
Not Available
 
Date 2021-10-21T04:37:29Z
2021-10-21T04:37:29Z
2019-01-01
 
Type Article
 
Identifier Not Available
0970-4183
http://krishi.icar.gov.in/jspui/handle/123456789/65998
 
Language English
 
Relation Not Available;
 
Publisher Not Available