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Effect of altered ambient temperature through shelter modifications on physiological indicators of Malpura lambs reared in semi-arid region during winter

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Title Effect of altered ambient temperature through shelter modifications on physiological indicators of Malpura lambs reared in semi-arid region during winter
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Creator Kalyan De
Davendra Kumar
Anoop Kumar Singh
Artabandhu Sahoo
Syed Mohammed
Khursheed Naqvi
 
Subject Biochemical
Body weight
Cold
Endocrine
Shelter
Sheep
 
Description Not Available
Microclimatic factors are of crucial aspect for the welfare of animals. Therefore, a study was conducted to assess the effect of altered ambient temperature through shelter modifications on physiological indicators of Malpura lambs reared in the semi-arid region during winter. Twenty-one Malpura lambs of 3–5 week age and average body weight 9.97 ± 0.51 kg were used in the present study. The lambs were divided into three groups (eg. G1, G2, and G3) and were kept in the different microenvironment by manipulation of shelter design. The G1 lambs were maintained at lower minimum temperature (8.59 ± 0.71 °C) in asbestos roofed shed, while G2 lambs were maintained at higher minimum temperature (14.59 ± 0.54 °C) in local handmade bamboo dome structure, and G3 lambs were kept at a medium minimum temperature (11.84 ± 0.64 °C) in thermocol insulated roofed shed from evening 18:30 h to morning 07:00 h. The study was carried out for one month between January and February. The parameters studied were physiological response (respiration rate, pulse rate, rectal temperature), skin temperature, blood metabolites and endocrine profile. The data were analyzed by general linear models. Higher average daily weight gain was recorded in the lambs kept in higher minimum temperature groups (20.54% higher in G2 and 24.68% higher in G3) as compared to G1 lambs. Microenvironment manipulation had no significant (P > 0.05) effect on most of the physiological response and skin temperature except morning respiration rate within low-temperature range. The present study reveals that Hb, PCV, T3, and cortisol level were significantly (P 
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Date 2021-06-25T05:39:23Z
2021-06-25T05:39:23Z
2018-02-01
 
Type Article
 
Identifier Not Available
0306-4565
http://krishi.icar.gov.in/jspui/handle/123456789/47422
 
Language English
 
Relation Not Available;
 
Publisher Elsevier