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Archives of Veterinary Science
Article . 2016 . Peer-reviewed
Data sources: Crossref
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CONTAGEM BACTERIANA TOTAL EM AMOSTRAS DE LEITE DE TANQUE NO ESTADO DO PARANÁ

Authors: Newton Pohl Ribas; José Augusto Horst; Uriel Vinicius Cotarelli de Andrade; Andressa Regonato; Hendyel Aparecida Pacheco; Kamila Chaves Sermann;

CONTAGEM BACTERIANA TOTAL EM AMOSTRAS DE LEITE DE TANQUE NO ESTADO DO PARANÁ

Abstract

Avaliou-se os efeitos de meio sobre a contagem bacteriana total (CBT) e logarítmico da contagem bacteriana total (logCBT) de amostras de tanque individuais, comunitário e latões coletadas pelas indústrias, analisadas pelo Laboratório da Qualidade do Leite (LQL) da Associação Paranaense dos Criadores de Bovinos da Raça Holandesa (APCBRH) – Curitiba, PR. Foram analisadas 680.102 amostras de leite no período de janeiro de 2012 a maio de 2014 em dez regiões. As médias estimadas, desvios-padrão e coeficiente de variação para CBT, logCBT e idade da amostra foram: 1.307.000 ± 1.859.000 (UFC/mL), 136,7%; 5,89 ± 1,93 (log10UFCxmL-1), 29,5% e 2,95 ± 1,48 dias, respectivamente. Os efeitos incluídos no modelo matemático influenciaram significativamente (P<0,01) as variáveis estudadas. Menores valores para logCBT ocorreram no final do inverno e primavera (variando de 5,36 e 5,47 (log10UFCxmL-1)). Com o passar dos anos, observou-se uma diminuição dos valores, (5,66 para 5,51 (log10UFCxmL-1)). A região influenciou significativamente o logCBT (P<0,01), registrando a menor média de 3,64 em Campo Mourão e a maior de 6,44 (log10UFCxmL-1) na Metropolitana de Curitiba, justificadas por diferentes níveis de tecnologias adotadas nas diferentes regiões. Quando a idade da amostra variou de zero a dois dias o logCBT aumentou de 5,46 para 5,66 (log10 UFC x mL-1) e de três para sete dias, diminuíram de 5,66 para 5,57 (log10 UFC x mL-1). Resultados evidenciam a necessidade pelos produtores, técnicos e indústrias de reavaliarem seus procedimentos de higiene dos equipamentos de ordenha, resfriamento, temperatura e tempo de armazenagem do leite, melhorando a qualidade microbiológica do leite.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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