Effects of season, milking routine and cow cleanliness on bacterial and somatic cell counts of bulk tank milk. (Articolo in rivista)

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  • Effects of season, milking routine and cow cleanliness on bacterial and somatic cell counts of bulk tank milk. (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1017/S0022029911000598 (literal)
Alternative label
  • Maddalena Zucali; Luciana Bava; Alberto Tamburini; Milena Brasca; Laura Vanoni; Anna Sandrucci (2011)
    Effects of season, milking routine and cow cleanliness on bacterial and somatic cell counts of bulk tank milk.
    in Journal of dairy research (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Maddalena Zucali; Luciana Bava; Alberto Tamburini; Milena Brasca; Laura Vanoni; Anna Sandrucci (literal)
Pagina inizio
  • 436 (literal)
Pagina fine
  • 441 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 78 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • IF: 1.807 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 6 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopus (literal)
  • Google Scholar (literal)
  • PubMe (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Scienze Animali, Università degli Studi di Milano, via Celoria 2, 20133 Milano, Italy Istituto di Scienze delle Produzioni Alimentari, CNR, via Celoria 2, 20133, Milano, Italy (literal)
Titolo
  • Effects of season, milking routine and cow cleanliness on bacterial and somatic cell counts of bulk tank milk. (literal)
Abstract
  • The aim of the study was to investigate the effects of season, cow cleanliness and milking routine on bacterial and somatic cell counts of bulk tank milk. A total of 22 dairy farms in Lombardy (Italy) were visited three times in a year in different seasons. During each visit, samples of bulk tank milk were taken for bacterial and somatic cell counts; swabs from the teat surface of a group of cows were collected after teat cleaning and before milking. Cow cleanliness was assessed by scoring udder, flanks and legs of all milking cows using a 4-point scale system. Season affected cow cleanliness with a significantly higher percentage of non-clean (NC) cows during Cold compared with Mild season. Standard plate count (SPC), laboratory pasteurization count (LPC), coliform count (CC) and somatic cell count, expressed as linear score (LS), in milk significantly increased in Hot compared with Cold season. Coagulase-positive staphylococci on teat swabs showed higher counts in Cold season in comparison with the other ones. The effect of cow cleanliness was significant for SPC, psychrotrophic bacterial count (PBC), CC and Escherichia coli in bulk tank milk. Somatic cell count showed a relationship with udder hygiene score. Milking operation routine strongly affected bacterial counts and LS of bulk tank milk: farms that accomplished a comprehensive milking scheme including two or more operations among forestripping, pre-dipping and post-dipping had lower teat contamination and lower milk SPC, PBC, LPC, CC and LS than farms that did not carry out any operation. (literal)
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