Associations of risk factors with somatic cell count in bulk tank milk on organic and conventional dairy farms in the United States

Cicconi-Hogan, K.M.; Gamroth, M. J.; Richert, R.M.; Ruegg, P.L.; Stiglbauer, K.E.; Schukken, Y.H.

doi:10.3168/jds.2012-6271

Cited by 46 publications

(52 citation statements)

References 26 publications

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“…A lower urea content in milk from organic farming was previously reported (Toledo et al 2002;Toledo-Alonzo 2003;Hanuš et al 2008a;Zagorska & Ciprovica 2008) but although the urea values were numerically smaller, this difference was not statistically significant probably due to the small number of samples analysed (n = 18). No statistically significant difference was found in the somatic cell count (SCC) in different types of milk production, being in consistency with Rosati and Aumaitre (2004), Battaglini et al (2009) andCicconi-Hogan et al (2013). Other studies have, however, shown the opposite conclusion.…”

Section: Resultssupporting

confidence: 55%

Quality of cows' milk from organic and conventional farming

Kouřimská¹,

Legarová²,

Panovská³

et al. 2014

Czech J. Food Sci.

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Kouřimská L., Legarová V., Panovská Z., Pánek J. (2014): Quality of cows' milk from organic and conventional farming. Czech J. Food Sci., 32: 398-405.The results of chemical and microbial analyses of raw milk samples coming from organic and conventional farming systems were statistically compared. The samples were analysed during a twelve-month period (June-May). A total of 2206 samples were collected of which 528 were organic. After raw milk was processed, sensory hedonic quality of 171 pairs of organic and conventional non-standardised pasteurised whole milk samples were evaluated using the pair comparison preference test. Four parameters in raw milk, free fatty acids, urea content, somatic cell count and coliform bacteria count, showed no significant differences between the two types of production. Significantly higher contents of protein, casein, lactose, and non-fat solids were detected in conventional milk, which also had a significantly lower freezing point. On the contrary, significantly higher contents of total mesophilic bacteria count and a higher percentage of samples with positive coliform bacteria count were found in organic milk samples. Sensory analysis of pasteurised milk showed no significant hedonic difference between organic and conventional samples.

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Section: Resultssupporting

confidence: 55%

Quality of cows' milk from organic and conventional farming

Kouřimská¹,

Legarová²,

Panovská³

et al. 2014

Czech J. Food Sci.

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“…As already mentioned, older cows on organic farms are at a greater risk of suffering chronic subclinical mastitis, which is very difficult to control unless antibiotic therapy is used. Indeed, dry cow therapy is one of the most effective measures used in conventional farming to control mastitis (Cicconi- Hogan et al, 2013), and blanket dry cow therapy is routinely used. It may seem paradoxical that dry cow therapy had a positive effect (β=0.120, p=0.005) on increasing the SCC in the present study.…”

Section: Resultsmentioning

confidence: 99%

“…Mastitis management, particularly antimicrobial use, differs greatly in organic and conventional farming mainly as a result of the organic principles (IFOAM, 2005;EC, 2007). Thus, while udder health management is well standardized in conventional farming, and blanket dry-cow therapy and teat dipping are the mainstay of any mastitis control programme (NMC, 2006), the restrictions on the use of antibiotics to treat clinical mastitis and the explicit prohibition of blanket drycow therapy in organic farming make preventive management practices essential in order to maintain udder health (Cicconi-Hogan et al, 2013). In fact without hygiene or without an adequate maintenance of milking machine, antibiotic dry therapy and teat dipping are insufficient measures to prevent mammary infections and to achieve low SCC.…”

Section: Introductionmentioning

confidence: 99%

Short communication: The main factors affecting somatic cell count in organic dairy farming

Galdo¹,

López‐Alonso²,

Miranda³

et al. 2018

Span. j. agric. res.

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Preventive management practices are essential for maintaining acceptable udder health status, especially in organic farming, in which the use of antimicrobials is restricted. The contribution of the following factors to somatic cell count (SCC) was assessed in 788 cows from 15 organically reared herds in northern Spain: milk production, lactation number, treatments applied, selective dry cow therapy and teat dipping routines. The data were examined by linear logistic regression. Lactation number was the main factor affecting logSCC (β= 0.339, p<0.001) followed in order of importance by milk production (β= -0.205, p<0.001), use of alternative treatments (β=0.153, p<0.001), selective dry cow therapy (β=0.120, p=0.005) and teat dipping routines (β=-0.076, p=0.028). However, the model only explained 17.0% of the total variation in SCC. This variable depends on factors other than those considered here, amongst which udder infection is probably one of the most important. Nonetheless, the study findings enabled us to determine the contribution of the main management factors that should be taken into account to improve udder health status on organic farms.Additional keywords: management factors; udder health; organic; dairy production; SSC.

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“…Determining bulk milk SCC is an internationally recognized method to establish milk quality as well as the udder health status of the cows in the herd (7) .…”

Section: Introductionmentioning

confidence: 99%

QUALITY OF REFRIGERATED RAW MILK FROM BUFFALO COWS (Bubalus bubalis bubalis) IN DIFFERENT FARMS AND SEASONS IN BRAZIL

et al. 2017

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The present research aimed to examine the chemical and microbiological characteristics of refrigerated raw milk collected from buffalo-only dairy herds from different farms and seasons. Samples were collected from twelve farms producing buffalo milk, located in the Mideast region of São Paulo state, in Brazil, once a month throughout the dairy calendar year from 2011 to 2014. The analysis of fat, protein, lactose, dry extract, and total solids contents were carried out using Infrared Absorption. Residues for antimicrobial analysis were carried out using Delvo Test Kit technique, and both somatic cell count and standard plate count analysis were carried out using Flow Cytometry. The analysis of the chemical components as well as for the microbiological analysis of SPC proved to be statistically significant throughout the period. No antibiotic residues were found in the totality of the sample, hence indicating that the farmers complied with the current sanitary legislation in that country, as well as SCC; however, higher values were found for the SPC. Significant results for all parameters analyzed were found among the farms, indicating that price incentives paid for the quality of raw milk could be an alternative to dairy processing companies, favoring yield and quality of the final product. Keywords: Brazil; chemical parameters; dairy; microbiological parameters; monitoring. ResumoO presente estudo objetivou examinar as características químicas e microbiológicas do leite cru refrigerado coletado em diferentes fazendas e estações. Amostras foram coletadas em doze fazendas 2 Cienc. anim. bras., Goiânia, v.18, 1-12, e-41815, 2017Quality of refrigerated raw milk from buffalo cows… produtoras de leite de búfala localizadas na região centro-leste do estado de São Paulo, Brasil, uma vez ao mês entre os anos de 2011 a 2014. Análises de gordura, proteína, lactose, extrato seco e sólidos totais foram realizadas utilizando-se técnica de Infra-vermelho. Análises de resíduos de antimicrobianos foram realizadas através do teste rápido Kit Delvo Test. Análises de contagem de células somáticas e contagem padrão em placas foram conduzidas através de Citometria de Fluxo. Resultados das análises dos componentes químicos, assim como da análise microbiológica de CPP, demonstraram diferenças estatísticas significativas através das estações para estes parâmetros. Em todas as amostras analisadas nenhum resíduo de antimicrobiano foi detectado, indicando que os produtores estão respeitando a legislação sanitária brasileira vigente, bem como para SCC; no entanto, valores acima do permitido foram encontrados para CPP. Diferenças significativas para todos os parâmetros analisados foram encontradas entre as fazendas investigadas, indicando que o incentivo de preço pago pela qualidade do leite cru poderia ser uma alternativa às empresas de processamento de lácteos, favorecendo o rendimento e a qualidade do produto final. Palavras-chave: Brasil; laticínio; monitoramento; parâmetros químicos; parâmetros microbiológicos.

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Associations of risk factors with somatic cell count in bulk tank milk on organic and conventional dairy farms in the United States

Cited by 46 publications

References 26 publications

Quality of cows' milk from organic and conventional farming

Quality of cows' milk from organic and conventional farming

Short communication: The main factors affecting somatic cell count in organic dairy farming

QUALITY OF REFRIGERATED RAW MILK FROM BUFFALO COWS (Bubalus bubalis bubalis) IN DIFFERENT FARMS AND SEASONS IN BRAZIL

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