DETECTION OF SUBCLINICAL KETOSIS IN BLOOD OF COWS

N. KUSHWAH¹*, M. SINGH², S. TIWARI³, S. JAMWAL⁴, A. GUPTA^5
1Animal Physiology Division, ICAR-National Dairy Research Institute, Karnal, 132001, Haryana, India
²Animal Physiology Division, ICAR-National Dairy Research Institute, Karnal, 132001, Haryana, India
³Animal Physiology Division, ICAR-National Dairy Research Institute, Karnal, 132001, Haryana, India
⁴Animal Physiology Division, ICAR-National Dairy Research Institute, Karnal, 132001, Haryana, India
⁵Animal Physiology Division, ICAR-National Dairy Research Institute, Karnal, 132001, Haryana, India
* Corresponding Author : nishtha25nishi@gmail.com

Received : 10-01-2022     Accepted : 28-01-2022     Published : 30-01-2022
Volume : 14     Issue : 1       Pages : 11064 - 11066
Int J Agr Sci 14.1 (2022):11064-11066

Keywords : Cows, Glucose, Milk yield, NEFA, Subclinical ketosis
Academic Editor : R K Chaudhari, Dr Sonu Rani
Conflict of Interest : None declared
Acknowledgements/Funding : Authors are thankful to Animal Physiology Division, ICAR-National Dairy Research Institute, Karnal, 132001, Haryana, India for financial support of this research
Author Contribution : All authors equally contributed

The present investigation was carried out on crossbred and Sahiwal cows [Healthy cows (n=146) and Subclinical ketotic (SCK) cows (n=22)] of the institute herd and rural dairy farms around Karnal. The blood samples were tested for presence of ketone bodies during early stage of lactation (5-60 days) postpartum from August 2019 to March 2020. Milk production level (<10kg, 10-20 kg and >20 kg/d) were recorded during the experiment. Blood ketone, plasma glucose and Non Esterified Fatty Acid (NEFA) levels were detected to find out incidence of Subclinical Ketosis. Results showed that the healthy cows had higher (P<0.05) level of glucose and lower BHBA (P<0.01) in comparison to cows suffering from SCK incidence. Milk yield of cows selected from the farm were significantly lower (P<0.01) in comparison to field animals (15.48vs.34.56kg/d). Subclinical ketotic cows of farm produced less milk yield (7.72kg/d) than the healthy cows (P<0.01). BCS of cows and buffaloes of field and farm did not differ between the healthy and SCK animals. Blood glucose level was negatively correlated to NEFA and BHBA level (r=-0.772 and r= -0.578, P<0.01). It can be concluded that the high producer crossbred cows were more vulnerable to SCK due to high milk production during early stage of lactation. Sahiwal cows suffer less from SCK due to medium level of milk production. Factors like high milk production, negative energy balance in transition period makes the animal more susceptible to SCK incidence. Monitoring and screening of animals for the incidence of SCK at monthly intervals should be practiced by the farmers to manage the SCK and to enhance income

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