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Differentiation of Post-partum Estrus and Non-estrus Stages of Dairy Animals on the Basis of Haematological Attributes

Deep Narayan Singh, Assistant Professor, Department of Livestock Production Management, College of Veterinary Science & Husbandry, Mathura 281001, Uttar Pradesh, India. , Saurabh Tiwari1 , Yajuvandra Singh2 , Rajneesh Sirohi3 , Brijesh Yadav4 , Deep Narayan Singh5

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Journal of Animal Feed Science and Technology 9(2):p 16-19, July – December 2021. | DOI: http://dx.doi.org/10.21088/jafst.2321.1628.9221.5

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Saurabh Tiwari, Yajuvandra Singh, Rajneesh Sirohi, et al./ Differentiation of Post-partum Estrus and Non-estrus Stages of Dairy Animals on the Basis of Haematological Attributes/Journal of Animal Feed Science and Technology 2021;9(2):51–54.
 

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Abstract

The present investigation was planned to differentiate various stages of estrus i.e. onset of estrus, standing heat and non-estrus conditions in sahiwal cows by observing various haematological attributes. The experiments were conducted on ten healthy, cyclic Sahiwal cows maintained at Livestock Farm Complex (LFC) of College of Veterinary Science & Animal Husbandry, DUVASU, Mathura.The selected Sahiwalcows were observed for signs and symptoms of heat/estrus.Detection of onset of post-partum estrus was performed by observing the first response of teaser bull and rectal palpation of cow at every 3 hours interval after onset of estrus. Blood sample was collected for haematological changes duringtheir onset of estrus, standing heat and non-estrus stages. The mean values for RBC (6.79±0.10 X106/ mm3), WBC (10.65±0.18 X103/mm3), PCV (33.41±0.54%), and haemoglobin (11.47±0.15 mg/ dl) of experimental cows were found to be significantly (P<0.01) higher during standing heat condition as compared to onset of post-partum estrus and non-estrus stages in Sahiwal cows. On the basis of above factshematological attributes (RBC count, WBC count, blood hemoglobin and PCV) may be used for precise identification of onset of estrus,standing heatand non-estrus stages in Sahiwal cows. Keywords: Cyclic; Estrus; Hematology; PCV; Sahiwalcows.

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Saurabh Tiwari, Yajuvandra Singh, Rajneesh Sirohi, et al./ Differentiation of Post-partum Estrus and Non-estrus Stages of Dairy Animals on the Basis of Haematological Attributes/Journal of Animal Feed Science and Technology 2021;9(2):51–54.
 

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DOI: http://dx.doi.org/10.21088/jafst.2321.1628.9221.5

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