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R esearch
(Published online:
23-07-2015)
14.
Relationship of udder and teat conformation
with intra-mammary infection in crossbred cows under hot-humid
climate - Pranay Bharti, Champak Bhakat, Prabhat K.
Pankaj, Showkat A. Bhat, M. Arul Prakash, Mayur R. Thul and K.
Puhle Japheth
Veterinary World, 8(7): 898-901
doi:
10.14202/vetworld.2015.898-901
Pranay
Bharti:
Livestock Production and Management Section, ICAR-National Dairy
Research Institute, Karnal, Haryana, India;
dr12pranay@gmail.com
Champak
Bhakat:
Livestock Production and Management Section, ICAR- National Dairy
Research Institute, Eastern Regional Station,
Kalyani,
West Bengal, India; bhakat56@gmail.com
Prabhat
K. Pankaj:
Transfer of Technology Section, ICAR- Central Research Institute
for Dryland Agriculture, Hyderabad, India;
prabhatpankaj@rediffmail.com
Showkat
A. Bhat:
Livestock Production and Management Section, ICAR-National Dairy
Research Institute, Karnal, Haryana, India;
drshowkatbhat813@gmail.com
M. Arul
Prakash:
Livestock Production and Management Section, ICAR-National Dairy
Research Institute, Karnal, Haryana, India;
drarullpm@gmail.com
Mayur
R. Thul:
Livestock Production and Management Section, ICAR-National Dairy
Research Institute, Karnal, Haryana, India;
drmayurthul@gmail.com
K.
Puhle Japheth: Livestock Production and Management Section,
ICAR-National Dairy Research Institute, Karnal, Haryana, India;
Puhleveto7@gmail.com
Received:
09-03-2015, Revised: 16-06-2015, Accepted: 25-06-2015, Published
online: 23-07-2015
Corresponding author:
Pranay Bharti, e-mail: dr12pranay@gmail.com
Citation:
Bharti P, Bhakat C,
Pankaj PK, Bhat SA, Prakash MA, Thul MR, Japheth KP (2015)
Relationship of udder and teat conformation with intra-mammary
infection in crossbred cows under hot-humid climate, Veterinary
World 8(7); 898-901.
Abstract
Aim:
The present study was aimed to investigate the relationship of
udder shape, teat-end shape, teat length, and teat diameter with
intra-mammary infection in Jersey crossbred cows under hot-humid
climate.
Materials and Methods: A total of 24 lactating Jersey
crossbred cows were evaluated for udder shape (pendulous/regular)
and teat-end shape (flat/inverted/pointed) by visual examination,
while teat length and teat diameter were measured using vernier
caliper. Monthly milk sampling was done for 4 months of duration.
Few quarters were found as blind or nonfunctional and so, a total
of 366 quarter wise milk samples were collected at the monthly
interval and subjected to somatic cell count (SCC)
microscopically. The data on SCC were transformed into log scale
and analyzed.
Results: There was a significant (p<0.01) effect of udder
shape and teat-end shape on SCC level. The mean SCC level for
pendulous udder was significantly (p<0.05) higher as compared to
the regular shaped udder. Similarly, significantly (p<0.05) a
higher level of mean SCC was found in flat teat-end shape. A
significant (p<0.01) correlation was found between SCC and teat
length as well as teat diameter.
Conclusion: In conclusion, pendulous udder, flat and inverted
teat-end, very long and thick teat were more susceptible to
intra-mammary infection in Jersey crossbred cows and these traits
must be considered accordingly while selecting dairy animals for
future milk production.
Keywords: crossbred, somatic cell count,
udder and teat conformation.
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