Das et al.
Effect of cooling arrangement on milk yield and
of lactation. Therefore if false ceiling is made inside cattle
microclimate of dairy shed
shed besides manual and mechanical cooling, cows would
feel more comfort resulting in higher milk yield.
Table 4. Effect of cooling on milk yield and microclimate of
dairy shed Parameters A B C D F Value
CONCLUSION
Parameters
A
B
C
D
F Value
So, it was inferred that semi open house with east – west
Av. daily milk
9.570 b ± 9.070 c ± 9.265 bc ± 10.692 a ±
orientation, good ventilation and having standard floor
7.554 **
yield (Kg)
0.077
0.132
0.069
0.033
space of 5 m 2 per cattle was found to be suitable for high
Av. daily air
milk production and less heat stress on cattle. False ceiling
28.30 a ± 27.35 b ± 28.26 a ±
26.61 c ±
temperature
8.790 **
0.11
0.12
0.10
0.08
inside cattle house besides manual and mechanical cooling
( ° C)
would render more comfort to the animals, resulting in
Av. daily
78.65 c ± 79.50 c ± 85.02 b ± 90.43 a ±
higher milk production.
relative
25.639 **
0.42
0.52
0.32
0.38
humidity (%)
ACKNOWLEDGEMENTS
79.90 ab ± 78.53 c ± 80.77 a ± 76.62 d ±
Av. daily THI
21.157 **
0.22
0.24
0.16
0.14
Authors acknowledge the contribution of Indian Council
of Agricultural Research (ICAR), New Delhi for funding
Means having different superscripts in a row differ significantly
the institute project under which this experiment was
(P < 0.05), ** => P < 0.01
carried out. Authors also duly acknowledge field vets and
paravets for identifying farmer.
REFERENCES
Anonymous. 2012. Basic Animal Husbandry Statistics, Deptt. of
Animal Husbandry,
Dairying and Fisheries, Ministry of Agriculture, Govt of India.
In Agricultural
Research Data Book, Published by ICAR, Krishi Bhawan, New
Delhi.
Bianca, W. 1964. Animal Housing in Hot Countries. Int. J.
Biometeor ., 8 (2): 99-101.
Figure 1. Cattle shed having false ceiling of arecanut stems
Brouillet, P. and Raguet, Y. 1990. Housing and environment of
besides fitted electric fan
dairy cows and milk quality. Bulletin. des. G.T.V., 4 : 13-35.
Buffington, D. E. and Collier, R. J. 1983. Design parameters
Cooling arrangement in cattle house had highly significant
for shade management systems for dairy cows in hot, humid
(P < 0.01) effect on average daily milk yield and all the
climates. Proceedings of the Second National Dairy Housing
microenvironmental parameters (Table 4). It was observed
Conference, p. 100-107, ASAE, Madison, Wisconsin.
that average daily milk yield (10.692 ± 0.033 kg) was
IMD. 1994. Introduction Bulletin of Indian Meteorological
highest while air temperature (26.61 ± 0.08 0 C) and
Department, Pune, Maharastra.
temperature humidity index (76.62 ± 0.14 ) were lowest in
Lurdi, I. S. 1982. Effect of hot humid and cold climate conditions
the cattle shed where false ceiling was done by arecanut
on milk production, nutrient conversion efficiency and water
stem besides manual and mechanical cooling by electric
requirement of crossbred cows. Indian J. Anim. Sci. , 53 : 812-
fans (Fig. – 1). However relative humidity was lowest
817.
in the shed where only manual cooling was arranged.
Meenakshisundaram, S., Tensingh, G. P., Murugan, M.,
Suriyasathaporn et al (2006) reported that the use of
Murallidharan, Ra. and Kumararaj, R. 2009. Housing Designs
and its impact on microclimate of cattle sheds in Chennai
electric fan in cattle shed operated during the day time
city. J. Vet. Anim. Sci., 40 : 29-34
increased milk production of cows during the first period
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Journal of Animal Research: v.5 n.2. June 2015