STUDY ON THE EFFECT OF DIFFERENT ROOFING PATTERNS ON THE PERFORMANCE OF MAGRA LAMBS IN ARID ZONE OF RAJASTHAN
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Date
2018
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Rajasthan University of Veterinary and Animal Sciences, Bikaner
Abstract
An attempt was made to assess the effect of different roofing patterns
on the growth performance, physiological, and behavioural response of
Magra lambs in Arid zone of Rajasthan. The present study was conducted on
Eighteen Magra lambs divided into three groups (n=6) T0, T1 and T2 which
were kept under Tree, Thatch roof and Tin sheet roof, respectively. The
observations recorded in the present study revealed significant (P<0.05)
increase in the average daily weight gain (ADG), average weekly weight gain,
average monthly weight gain and total body weight gain (P<0.01) in group T1
as compared to other groups. No significant difference was observed in body
length, body height and heart girth of experimental lambs among the
treatment groups. The effect of different roof patterns on physiological
variables of lambs such as rectal temperature and respiration rate was
significantly (P<0.01) lower in thatch roof as compared to tin sheet roof and
tree, whereas, heart rate and pulse rate differed non significantly.THI was
significantly (P<0.01) lower in thatch roof at 9 AM and 3 PM than tree and tin
roof. Behavioural activities like feeding, resting and playing differed
significantly among the treatment groups in morning. Significant difference
(P<0.01) was observed in the feeding, standing, drinking and resting activity
among treatment groups during evening. From present study it can be
concluded that lambs kept under thatch roof showed higher weight gain
efficiency and better behavioural responses without any adverse effect on
physiological indices. Thus it can be used as feasible and economic roofing
material in arid conditions of Rajasthan.
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