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112224

FURTHER STUDIES ON THE PREVALENCE OF SUBCLINICAL MASTITIS IN DAIRY COWS IN EL-GHARBIA AND KAFR EL-SHEIKH GOVERNORATES WITH SPECIAL OBSERVATION TO ANTIBIOTIC SENSITIVITY

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Last updated: 04 Jan 2025

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Abstract

A total of 1136-quarter cow's milk samples were collected from apparently healthy cow's from 2 dairy farms in El Gharbia and 3 dairy farms in Kafr El- Sheikh Governorates (Egypt). All samples were screened for subclinicl mastitis using California Mastitis Test (CMT), Somatic Cell Count (SCC), lactose and chloride content. All Positive CMT samples were examined microbiologically for isolating the most causative microbial agents of  subclinical mastitis. 136 (22.5%) samples collected from El-Gharbia Governorate were positive for CMT .Of them 100 samples (73.5%) scored 2+ and 36 (26.5%) scored 3+; 120 (20%) contained  lactose below 4.7%  and 140 (23.2%) had  chloride content greater than 0.14%.  While 65 (12.2%) quarter milk samples collected from Kafr El-Sheikh farms were CMT positive, of them 24 (36.9%) samples scored 2+ and 41(63.1%) samples scored 3+ ; 72 (13.5%) samples  contained  lactose less than 4.7% and 119 (22.4%) had chloride content greater than 0.14% . Infectious organisms isolated from CMT positive samples were Coliforms (88.2%), Staphylococci (26.5%) and E-coli (14.7%) while both coagulase +ve Staph. aureus and Strept. agalactiae failed to be detected from El- Gharbia quarter samples. On the other hand Coliforms , Staphylococci, coagulase +v Staph. aureus , E-coli and Strept agalactiae  were isolated with a percentages ranging from 1.5 to 52.3 % from Kafr El-Sheikh samples. Somatic cell count (SCC) ranged from >105 to <107 in CMT positive samples.  The in vitro sensitivity pattern of the isolated organisms against 7 antibiotics was tested. Flumequin and Gentamycin gave the best results in inhibiting all the tested Staph. aureus , E-coli and Strept. agalactiae tested strains. It is concluded that subclinical mastitis in dairy cows is a serious problem in the surveyed area.

DOI

10.21608/kvmj.2003.112224

Keywords

Subclinicl mastitis, dairy farms

Authors

First Name

I. I.

Last Name

Al-Hawary

MiddleName

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Affiliation

Dept. of Food Hygiene, Fac. Vet. Med. Kafr El-Sheikh. Tanta Univ.

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First Name

Azza, M.K.

Last Name

Sobeih

MiddleName

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Affiliation

Dept. of Food Hygiene, Fac. Vet. Med. Kafr El-Sheikh. Tanta Univ.

Email

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City

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Orcid

-

First Name

I.

Last Name

Aman

MiddleName

-

Affiliation

Dept. of Food Hygiene, Fac. Vet. Med. Kafr El-Sheikh. Tanta Univ.

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City

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Volume

1

Article Issue

1

Related Issue

16568

Issue Date

2003-08-01

Receive Date

2003-01-01

Publish Date

2003-04-01

Page Start

331

Page End

343

Print ISSN

1687-1456

Online ISSN

2682-2954

Article File

KVMJ_Volume 1_Issue 1_Pages 331-343.pdf

PDF . 837.1kB

Link

https://kvmj.journals.ekb.eg/article_112224.html

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https://kvmj.journals.ekb.eg/service?article_code=112224

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5

Type

Original Article

Type Code

1,064

Publication Type

Journal

Publication Title

Kafrelsheikh Veterinary Medical Journal

Publication Link

https://kvmj.journals.ekb.eg/

MainTitle

FURTHER STUDIES ON THE PREVALENCE OF SUBCLINICAL MASTITIS IN DAIRY COWS IN EL-GHARBIA AND KAFR EL-SHEIKH GOVERNORATES WITH SPECIAL OBSERVATION TO ANTIBIOTIC SENSITIVITY

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Article

Created At

22 Jan 2023