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Shed lay-out affects physiological responses and semen quality of crossbred bulls during summer season

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Title Shed lay-out affects physiological responses and semen quality of crossbred bulls during summer season
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Creator A S SIROHI, N CHAND, S TYAGI, S KUMAR, A SHARMA, HEMLATA and C P SINGH
 
Subject Bulls, Physiological responses, Semen, Shed design
 
Description Not Available
The present study was conducted to assess the effect of sheds with two different designs on physiological
responses and semen quality parameters of breeding bulls during summer season (June-August). Adult Frieswal
bulls (10) were randomly distributed into two groups i.e. in traditional (TG) and modified (MG) design sheds. The
sides of individual pens in TG (east-west oriented) and MG (north-south oriented) were covered and open,
respectively with equal floor space/bull in both sheds. Respiration rate (RR), heart rate (HR), rectal temperature
(RT), body coat and scrotal temperature were recorded in the morning (8.00 to 9.00 AM), and before and after
shower in the afternoon (2.00 to 4.00 PM) at weekly interval. Biweekly semen ejaculates were evaluated for volume,
concentration and initial motility. Average THI did not vary over the periods and was higher in the afternoon than
in the morning in both types of the sheds. Average RT and RR in bulls of both sheds increased significantly in the
afternoon than in the morning. HR increased during afternoon period in TG; however, it did not differ significantly
in MG. Average RR, body coat and scrotal temperature were higher even after shower than in morning in TG,
however, no difference was observed for these parameters in MG. Improvement in initial progressive motility was
recorded in bulls of modified sheds after fourth fortnight. The present study revealed better physiological responses
and semen quality attributes in bulls kept in modified sheds with open sides of individual pens.
ICAR
 
Date 2017-07-18T10:00:17Z
2017-07-18T10:00:17Z
2017-03
 
Type Research Paper
 
Identifier Sirohi, A S, Chand N, Tyagi S, Kumar S, Sharma A, Hemlata and Singh C P. 2017. Shed lay-out affects physiological responses and semen quality of crossbred bulls during summer season. Indian Journal of Animal Sciences. 87 (3): 361-365.
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http://krishi.icar.gov.in/jspui/handle/123456789/4744
 
Language English
 
Relation Not Available;
 
Publisher ICAR