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| Content Provider | Springer Nature Link |
|---|---|
| Author | Botaro, Bru Garcia Cortinhas, Cristina Simões Dibbern, Aline Gerato Silva, Luis Felipe Prada e Benites, Nilson Roberti Santos, Marcos Veiga |
| Copyright Year | 2014 |
| Abstract | Staphylococcus aureus (S. aureus) is the most prevalent infectious microorganism affecting dairy cattle worldwide, and its pathogenic characteristics facilitate its spread in dairy herds. S. aureus intramammary infections (IMI) are mainly subclinical, and associated losses can exceed average herd losses where the pathogen is not isolated. However, the extent it affects milk composition at udder and quarter levels is still unknown, and cow composite milk losses may be underestimated due to the dilution effect. The aim of this study was to investigate the effects of S. aureus subclinical mastitis on mammary quarter milk yield and composition. In order to determine the effects of the pathogen on milk yield and composition at quarter level, a pairwise comparison of infected and non-infected mammary quarters (n = 28) from two dairy herds was carried out. Quarters were individually milked, and milk production and composition were assessed. S. aureus has increased somatic cell counts at quarter level; however, no effect of S. aureus IMI on milk lactose, fat, and protein contents was observed. Fat yield from infected quarters decreased, but losses due to the infection caused by S. aureus were not associated with quarter positioning in cows. |
| Starting Page | 61 |
| Ending Page | 66 |
| Page Count | 6 |
| File Format | |
| ISSN | 00494747 |
| Journal | Tropical Animal Health and Production |
| Volume Number | 47 |
| Issue Number | 1 |
| e-ISSN | 15737438 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2014-10-16 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Subclinical mastitis Quarter milk sample Milk losses Mastitis pathogen Zoology Veterinary Medicine |
| Content Type | Text |
| Resource Type | Article |
| Subject | Animal Science and Zoology Food Animals |
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