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OJVRTM
Online Journal of Veterinary
Research©
Volume
24
(7):383-387, 2020.
Prevalence
of clinical and subclinical mastitis in ewes with Staphylococcus aureus
Afaf
Abdulrahman Yousif1, Khalid Mahmood Al Mashadani2
College(s) of Veterinary Medicine, 1University of
Baghdad and 2University of Diala, Iraq.
ABSTRACT
Yousif AA, Al Mashadani KM., Prevalence of
clinical and subclinical mastitis in ewes with Staphylococcus aureus, Onl J Vet Res.,
24 (7):383-387,
2020. We report prevalence of mastitis and staphylococcus aureus in
100 lactating ewes in Baghdad, Iraq. Milk samples (n=194) were subjected to California
mastitis test (CMT), somatic cell count (SCC) and S aureus antibiotics. By clinical examination we found 6 ewes but 12 milk samples with mastitis (~6.8%) with 33% S. aureus. By CMT 28 apparently normal milk
(subclinical mastitis) samples tested positive (~27%) of which 9 had S.
aureus. By SCC 27 ewes tested positive
with more than 500,000 cells/ml all with S.
Aureus. S. aureus were
highly sensitive to cefotaxime (100%), Erythromycine (100%), Ciprofloxacin (100%) but less to
Amikacin (94.1%), Ceftriaxone (88.2%), Oxacillin (88.2%) or Cephalexin (76.4%).
Our results suggest that somatic cell counts
over 500,000 may differentiate subclinical from clinical mastitis in ewes.
Key words: Mastitis
, Staphylococcus, Antibiotic sensitivity test Staphylococcus aureus.
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