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vol.10 issue2COMPARISON OF THYROID HORMONE LEVELS BETWEEN TWO LINES OF BROILERSEVALUATION OF PRESLAUGHTER MANAGEMENT AND ITS RELATIONSHIP WITH THE BRUISES PRESENCE ON BEEF CARCASSES author indexsubject indexarticles search
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Biosalud

Print version ISSN 1657-9550

Abstract

CALDERON, Alfonso et al. THE EFFECT OF SUBCLINICAL MASTITIS ON COASTAL CHEESE PRODUCTION EFFICIENCY. Biosalud [online]. 2011, vol.10, n.2, pp.16-27. ISSN 1657-9550.

The mammary gland inflammation diminishes the synthesis of different milk compounds as a response to neutralize pathogens, repair the alveolar epithelium and return to normal functioning. In clinical and subclinical mastitis there is a significant increase of somatic cell count whose function is to phagocytose, lyse pathogens, and to remove wastes in the infection focus through bacterial enzymes that are added to milk, reducing the life span of different derivates. The aim of this study was to evaluate the effect of subclinical mastitis on coastal cheese production efficiency. A cross sectional observational study was carried out in a cattle enterprise having two groups from which five quarters with California Mastitis Test grade 3 and five quarters with negative California Mastitis Test reaction were selected. The variability by breed and lactation was minimized. The physical and chemical milk analyses were done in triplicate and were carried put considering reference methods. The somatic cells count was measured with an electronic somatic cell counter. The results of the physicochemical quality of the milk with and without mastitis were compared using the t-Student test and were processed using the SAS software 9.0. The cheese made using milk without sub clinic mastitis showed 5.8% better output over the cheese prepared with milk coming from cows with sub clinic mastitis. The efficiency of milk in the production of coastal cheese is directly related with somatic cell counts.

Keywords : physicochemical quality; coastal cheese; somatic cell count; output.

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