ASSESSMENT OF STRESS RESPONSE AND SUPPORTIVE ROLE OF VITAMIN E IN CROSSBRED FEMALE CALVES

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dc.contributor.advisorGirish Varma G
dc.contributor.authorJANIPALLI NIKHIL KUMAR TEJ
dc.date.accessioned2019-07-30T05:36:26Z
dc.date.available2019-07-30T05:36:26Z
dc.date.issued2015
dc.description.abstractA study was conducted to assess the heat stress responses and supportive role of vitamin E in crossbred female calves using physiological, haematological, biochemical and hormonal parameters during pre-monsoon, monsoon and post monsoon seasons in Kerala. Fourteen calves were randomly selected, divided in to two groups while treatment group was additionally supplemented with vitamin E @ 5 mg/kg of body weight orally for 30 days in all the three seasons. The highest value of ambient temperature (AT) and temperature-humidity index (THI) was recorded in pre-monsoon while highest relative humidity (RH) was recorded in monsoon. Respiratory rate (RR) was significantly (p<0.05) higher in pre monsoon compared with monsoon and post-monsoon. Heart rate (HR) and pulse rate was significantly (p<0.05) higher in pre-monsoon and monsoon than in post monsoon. Rectal temperature (RT) did not differ significantly (p>0.05) between seasons. Total erythrocyte count (TEC) was significantly lower in monsoon than other seasons, while total leucocyte count (TLC), haemoglobin (Hb) and volume of packed red cells (VPRC) showed no significant (p>0.05) difference between seasons. Season had no significant (P>0.05) effect on cortisol, total protein, albumin, globulin and albumin globulin ratio in contrary glucose and cholesterol levels were significantly (p<0.05) higher in post-monsoon compared with other seasons. Glutathione peroxidase (GSH-Px) was significantly (p<0.05) higher in pre-monsoon compared with other seasons. Vitamin E had no effect on physiological, haematological, biochemical and hormonal parameters studied whereas significantly lower glutathione peroxidase (GSH-Px) was noticed in supplemented group. From the study it may be concluded that the crossbred calves have the adaptive capability to alter their physiological responses to maintain their body temperature and vitamin E may be helpful to ameliorate heat induced oxidative stress.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810117663
dc.keywordsASSESSMENT STRESS RESPONSE, SUPPORTIVE ROLE VITAMIN E CROSSBRED FEMALE CALVESen_US
dc.language.isoenen_US
dc.pages80en_US
dc.publisherCOLLEGE OF VETERINARY AND ANIMAL SCIENCES-MANNUTHY,THRISSURen_US
dc.research.problemASSESSMENT OF STRESS RESPONSE AND SUPPORTIVE ROLE OF VITAMIN E IN CROSSBRED FEMALE CALVESen_US
dc.subVeterinary Physiologyen_US
dc.subjectnullen_US
dc.themeASSESSMENT OF STRESS RESPONSE AND SUPPORTIVE ROLE OF VITAMIN E IN CROSSBRED FEMALE CALVESen_US
dc.these.typeM.V.Sc.en_US
dc.titleASSESSMENT OF STRESS RESPONSE AND SUPPORTIVE ROLE OF VITAMIN E IN CROSSBRED FEMALE CALVESen_US
dc.typeThesisen_US
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