Etiological agents of dairy cows' mastitis in Western part of Poland

• Autorzy: Malinowski E. , Lassa H. , Klossowska A. , Smulski S. , Markiewicz H. , Kaczmarowski M.
• Języki publikacji: EN

Abstrakty

EN

The purpose of the study was to determine the etiological mastitis agents in cows from herds located in the western part of Poland in years 2003-2005. Bacteriological examinations of 18,713 samples taken from California Mastitis Test (CMT) positive quarters were performed according to standard methods. Some Gram-negative bacilli and Gram-positive cocci were examined with the use of API tests (Analytical Profile Index). It was found that 32.7% of samples that were CMT positive were culture negative and 9.3% of samples were contaminated. Streptococcus species (15.7%), coagu- lase negative staphylococci (CNS) (14.6%), Staph, aureus (8.6%), Gram-negative bacilli (4.0%) and Corynebacterium species (3.8%) were most frequently isolated. Escherichia coli (52.3%) dominated among Gram-negative bacilli followed by Klebsiella pneumoniae (4.1%), Pseudomonas aeruginosa (3.6%), Enterobacter cloacae (3.6%), Serratia marcescens (3.1%), Pasteurella multocida (3.1%), Acinetobacter Iwofii (3.1%), and 26 other bacteria species. Stahylococcus xylosus (31.5%), Staph, hyicus (12.2%), Staph, haemolyticus (12.2%), Staph, sciuri (11.6%), Staph, chromogenes (8.8%), Staph, epidermidis (8.3%) and Staph, simulans (6.1%) were the most frequent CNS. Streptococcus uberis (50%), Str. dysgalactiae (19.7%), Str. acidominimus (6.6%) and Enterococcus faecalis (5.3%) were mostly found among CAMP-negative streptococci. An increase in frequency of mastitis caused by non-agalactiae streptococci, Staph, aureus, A. pyogenes and yeast-like fungi and a decrease in that produced by Str. agalactiae in 2005 as compared to years 2003 or 2004 were observed.

Słowa kluczowe

EN

herd; cow; veterinary medicine; Poland; bacteria; etiological agent; pathophysiology; mammary gland; animal disease; Western Poland; mastitis

• Wydawca: -
• Czasopismo: Polish Journal of Veterinary Sciences
• Rocznik: 2006
• Tom: 09
• Numer: 3
• Opis fizyczny: p.191-194,ref.

Twórcy

autor

Malinowski E.

• National Veterinary Research Institute, Al.Powstancow Wlkp.10, 85-090 Bydgoszcz, Poland

autor

Lassa H.

autor

Klossowska A.

autor

Smulski S.

autor

Markiewicz H.

autor

Kaczmarowski M.

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