Public health hazard due to mastitis in dairy cows

• Autorzy: Galal Abdel Hameed K. , Sender G. , Korwin-Kossakowska A.

Warianty tytułu

PL

Zagrożenie zdrowia człowieka wynikające z zapaleń wymion krów dojnych

• Języki publikacji: EN

Abstrakty

EN

Milk from cows with sub-clinical mastitis accidentally mixed into bulk milk enters food chain and poses a threat to human health. Milk and other dairy products are reported to be frequently infected with Staphylococcus aureus. Also Streptococcus agalactiae has been described as one of the most common agents of invasive infections. The present study was aimed at discussing the economy and public health importance of mastitis in cattle as well as the health hazard of the causative organisms (S. aureus and Str. agalactiae). Seven-hundred-and-four composite milk samples were collected (two or three times per cow per lactation) from 275 cows kept in two herds. The samples were analysed for the presence of S.aureus, Str. agalactiae and other mastitis-causing organisms. For pooled data of latent and subclinical mastitis the frequency of samples containing S. aureus and Str. agalactiae was 16.6 and 1.4%,while of those containing Str. dysgalactiae, Escherichia coli and other mastitis-causing organisms −4.7, 2.9, and 14.7%, respectively. Quality of milk was found ranging within the European standard.However, high mastitis prevalence in both herds suggests that hygienic control measures should be applied during milk production.

PL

Mleko krów z podklinicznym zapaleniem wymienia może zagrażać zdrowiu człowieka. Stwierdzono,że mleko i jego produkty mogą być źródłem pokarmowych zatruć ludzi gronkowcem złocistym. Infekcje bakteryjne u dzieci i dorosłych może wywoływać także paciorkowiec bezmleczności występujący w mleku chorych krów. Celem pracy było wskazanie znaczenia mastitis jako czynnika zagrażającego zdrowiu ludzi, ze szczególnym uwzględnieniem bakterii najczęściej wywołujących tę chorobę, a więc gronkowca złocistego i paciorkowca bezmleczności. W latach 2004 i 2005 przeanalizowano 704 próbki mleka pobrane od 275 krów dwu- lub trzykrotnie w czasie jednej laktacji. Krowy utrzymywano w dwóch stadach. Mleko badano pod kątem wystąpienia podklinicznych stanów zapalnych wymienia wywołanych paciorkowcami,gronkowcami i innymi bakteriami. Podkliniczne i utajone mastitis wywołane gronkowcem złocistym występowało łącznie u 16,6%, podczas gdy wywołane paciorkowcem bezmleczności − u 1,4% badanych krów. Podkliniczny i utajony stan zapalny wywołany przez inne bakterie występował u 14,7% badanych zwierząt. Podsumowując można stwierdzić, że aczkolwiek jakość badanych próbek mleka mieściła się w standardach europejskich, to jednak stopień rozpowszechnienia mastitis w badanych populacjach okazał się znaczny, co świadczy o konieczności prowadzenia kontroli warunków higienicznych pozyskiwania mleka w stadach krów mlecznych.

• Wydawca: -
• Czasopismo: Animal Science Papers and Reports
• Rocznik: 2007
• Tom: 25
• Numer: 2
• Opis fizyczny: p.73-85,fig.,ref.

Twórcy

autor

Galal Abdel Hameed K.

• South Valley University, Qena, Egypt

autor

Sender G.

• Institute of Genetics and Animal Breeding, Polish Academy of Sciences, Jastrzebiec, 05-552 Wolka Kosowska, Poland

autor

Korwin-Kossakowska A.

• Institute of Genetics and Animal Breeding, Polish Academy of Sciences, Jastrzebiec, 05-552 Wolka Kosowska, Poland

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