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Impact of heat stress, nutritional stress and their combinations on the adaptive capability of Malpura sheep under hot semi-arid tropical environment.

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Title Impact of heat stress, nutritional stress and their combinations on the adaptive capability of Malpura sheep under hot semi-arid tropical environment.
Impact of heat stress, nutritional stress and their combinations on the adaptive capability of Malpura sheep under hot semi-arid tropical environment.
 
Creator Maurya VP
Sejian V
Kumar D
Naqvi SMK
 
Subject cortisol
combined stress
heat stress
nutritional stress
Malpura rams
physiological response
thyroxin
 
Description Not Available
A study was conducted to assess the cumulative effects of combined stresses (heat and nutritional) on physiological adaptability, blood biochemical and endocrine responses in Malpura rams. The study was conducted for a period of 45 days. Twenty eight adult Malpura rams (average BW 66.0 Kg) were used in the present study. The rams were divided into four groups viz., CON (n=7; control), HS (n=7; heat stress), NS (n=7; nutritional stress) and CS (n=7; combined stress). The animals were stall fed with a diet consisting of 60% roughage and 40% concentrate. The CON and HS ewes were provided with ad libitum feeding while NS and CS rams were provided with restricted feed (30% intake of GI ewes) to induce nutritional stress. The HS and NS rams were kept in climatic chamber @ 42ºC and 55% RH for six hours a day between 10:00 hr to 16:00 hr to induce heat stress. The parameters studied were respiration rate (RR), pulse rate (PR), rectal temperature (RT), scrotal volume, sweating rate scrotum, sweating rate skin, haemoglobin (Hb) and packed cell volume (PCV), plasma cortisol, T3 (tri-iodo-thyronine), and T4 (thyroxin) level. Combined stresses significantly (P
ICAR-CSWRI
 
Date 2019-11-15T08:41:02Z
2019-11-15T08:41:02Z
2018-08-09
 
Type Research Paper
 
Identifier Maurya VP, Sejian V, Kumar D, Naqvi SMK. 2019. Impact of heat stress, nutritional stress and their combinations on the adaptive capability of Malpura sheep under hot semi-arid tropical environment. Journal of Animal Behaviour and Biometeorology, 7:31-38.
2318-1265
http://krishi.icar.gov.in/jspui/handle/123456789/24773
 
Language English
 
Relation Not Available;
 
Publisher MALQUE Publishing