Oscillatory thermo-regulatory behavior of fecundity-gene-introgressed sheep in the hot semi-arid region
作者： Kalyan De , Vijay Kumar Saxena , Davendra Kumar , Arpita Mohapatra , Krishnappa Balagnur
DOI: 10.1016/J.JVEB.2019.06.005
关键词: Introgression 、 Fecundity 、 Skin temperature 、 Biology 、 Rectal temperature 、 Circadian rhythm 、 Arid 、 Gene 、 Respiration rate 、 Animal science
摘要: Abstract Fecundity gene (FecB) introgression improves the prolificacy of sheep. However, it may adversely affect adaptability thermoregulatory behavior when is introgressed in other than hot-humid regions because found sheep region. Therefore, present study was initiated to assess oscillatory FecB-introgressed a hot semi-arid The parameters (i.e., respiration rate [RT], heart [HR], rectal temperature and skin [ST]) were recorded at three-hour interval for continuous 24 hours well-adapted region same during extreme climatic conditions (summer winter). cosinor analysis showed daily circadian rhythm (P 0.05) difference mesor, amplitude, acrophase RR, PR, RT, ST among breeds summer winter indicated that also use similar adaptive strategy cope with environmental extremes hot, like
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