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.: Home > Animal Science Papers and Reports > 2007 > Volume 25 Number 2 > Karima Galal Abdel Hameed1, Gra؟yna Sender2, Agnieszka Korwin-Kossakowska2

Public health hazard due to mastitis in dairy cows*

Karima Galal Abdel Hameed1, Gra؟yna Sender2, Agnieszka Korwin-Kossakowska2
1 South Valley University, Qena, Egypt 2 Polish Academy of Sciences Institute of Genetics and Animal Breeding, Jastrzêbiec, 05-552 Wَlka Kosowska, Poland
Abstract :

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.

Keywords :
cows / mastitis / milk quality / Staphylococcus aureus / Streptococcus agalactiae

Date Deposited : 08 Aug 2011 12:17

Last Modified : 08 Aug 2011 12:17

Official URL: http://www.ighz.edu.pl/

Volume 25, Number 2, - 2007

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