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Incidence of mastitis and activity of milk neutrophils in Tharparkar cows reared under semi-arid conditions

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Title Incidence of mastitis and activity of milk neutrophils in Tharparkar cows reared under semi-arid conditions
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Creator Not Available
 
Subject Tharparkar . Semi-arid . Mastitis . Milk . Neutrophils . Activity . Expression
 
Description Not Available
Rearing of indigenous Tharparkar (TP) cows (native
of arid Thar deserts) under high humid conditions (>75%
humidity) has increased the incidence of mammary infections
in them. A study was undertaken to see the number, activity,
and expression of milk neutrophils isolated from healthy and
mastitic cows. There was a significant (P< 0.05) influx in milk
somatic cell counts (SCC) and neutrophils in sub-clinical and
clinical mastitis cows. No change was observed in the phagocytic
activity (PA) of milk neutrophils between healthy and
sub-clinical mastitis (SCM) cows, but these activities decreased
significantly (P< 0.05) in clinical cases. Chemotactic
activity showed a significant difference between all the
groups. Lactose varied significantly (P < 0.05) between
healthy, sub-clinical, and clinical mastitis (CM) cows.
Expression of chemokine receptor (CXCR1) was more in
mastitis cows and also higher as compared to CXCR2. No
change was observed in cluster of differentiation molecule
(CD62L) among all the three groups of TP cows. Expression
of interleukin (IL-8) and CD11b was low in healthy cows,
increased significantly (P< 0.05) in both sub-clinical and mastitis
cows. This study indicates that low producing TP cows are also prone to mammary infections when reared under semi-arid conditions.
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Date 2021-08-26T08:13:15Z
2021-08-26T08:13:15Z
2016-05-06
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/60625
 
Language English
 
Relation Not Available;
 
Publisher Not Available