Impact of dietary betaine supplementation on appetite hormones and blood biochemical parameters in Karan Fries heifer during summer in tropics
PREETI LAKHANI | PRAVEEN KUMAR | NEETI LAKHANI | SOHANVIR SINGH
The present research ascertained variation in plasma levels of ghrelin and leptin, and blood biochemical parameters under summer conditions in Karan Fries (KF) heifers (n=18) supplemented with two levels of betaine. Present appraisal was conducted on Karan Fries heifers selected randomly. Experiment was divided into two phases: Experiment-I (thermoneutral season) and Experiment–II (summer season: hot-dry and hot-humid season). KF heifers were randomly divided into 3 groups (n=6) of Control, Treatment I (Betaine supplemented @ 25 g/d/ animal) and Treatment II (Betaine supplemented @ 50 g/d/animal). Average maximum and minimum environmental temperatures were 23.5°C and 9.9°C and 35.3°C and 22.4°C, during Experiment I and Experiment II respectively. Blood samples were collected at fortnightly intervals. Betaine supplementation at 25 g/d and 50 g/d resulted in significant increase in plasma ghrelin, leptin, protein and cholesterol level and significant decrease in NEFA and triglycerides levels. However non-significant effect on plasma glucose levels were observed on increasing THI
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