National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
The study was conducted to evaluate the effect of astaxanthin supplementation on blood plasma leptin and IgG profiles in pre and postpartum Murrah buffaloes during different seasons. For this, thirty two pregnant dry Murrah buffaloes were selected from Livestock Research Centre at National Dairy Research Institute, Karnal. The buffaloes were divided into four groups consisting of eight Murrah buffaloes in each control and supplemented groups of buffaloes during summer (THI=83.2; RH=72.78%) and winter season (THI=58.0; RH=55.20%), respectively. All groups were fed according to nutrient requirement of buffaloes (ICAR, 2013). The treatment group was supplemented with astaxanthin @ 0.25 mg/kg body weight/animal/day during the period 30 days prior to expected date of calving and upto 30 days postpartum. Blood samples were collected on -30, -15, -7, 0, +7, +15, +30,+45 and +60 days with respect to calving where day ‘0’ represents the day of calving. The plasma leptin and IgG levels of treatment group differed significantly (P<0.05) as compared to control group during both seasons. Plasma leptin and IgG was higher (P<0.05) in winter as compared to summer season. The increase of heat load during summer season presented as THI on buffalo decreases leptin and total IgG level in plasma.
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