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Title: | Biological ability of Malpura rams to counter heat stress challenges and its consequences on production performance in a semi-arid tropical environment |
Other Titles: | Not Available |
Authors: | Maurya VP Sejian V Kumar D Naqvi SMK |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | ICAR-NIANP and others |
Published/ Complete Date: | 2017-09-21 |
Project Code: | Not Available |
Keywords: | Physiological responses semen sexual behaviour Sheep thermal stress |
Publisher: | Taylor Francis Online |
Citation: | Maurya VP, Sejian V, Kumar D and Naqvi SMK. 2018. Biological ability of Malpura rams to counter heat stress challenges and its consequences on production performance in a semi-arid tropical environment. Biological Rhythm Research, 49:479-493. |
Series/Report no.: | Not Available; |
Abstract/Description: | A study was conducted to assess the biological ability of Malpura rams to counter heat stress challenges and its impact on the productive performance in a semi-arid tropical environment. The eighteen adult Malpura rams (average body weight 55.0 kg) were divided into two groups, GI (n = 9; Control) and GII (n = 9; heat stress). The study was conducted for a period of 60 days. The results showed that body weight, body condition score, heart girth and feed intake were significantly (p < 0.05) lower in GII as compared to GI rams. The physiological responses i.e. respiration rate, pulse rate, rectal temperature and sweating rate (body and scrotum) were significantly (p < 0.05) higher in rams exposed to heat stress. Among the endocrine parameters, plasma T3, T4 and testosterone concentrations were significantly (p < 0.05) lower in GII rams, while cortisol concentration was significantly (p < 0.05) higher in GII rams. In addition, heat stress significantly (p < 0.05) reduced semen volume, total sperm motility, sperm concentration and progressive sperm motility in GII rams. The results indicated that Malpura rams adapted to the heat stress condition, however, while doing so their production performances were compromised. |
Description: | Not Available |
ISSN: | Not Available |
Type(s) of content: | Research Paper |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Biological Rhythm Research |
NAAS Rating: | 6.83 |
Volume No.: | 49 |
Page Number: | 479-493 |
Name of the Division/Regional Station: | A.P. DIV |
Source, DOI or any other URL: | https://doi.org/10.1080/09291016.2017.1381451 |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/12814 |
Appears in Collections: | AS-NIANP-Publication |
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