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Ultrasound for improving the preservation of chicken meat Ciênc. Tecnol. Aliment.
PIÑON,Marina; ALARCON-ROJO,Alma; PANIWNYK,Larysa; MASON,Timothy; LUNA,Lorena; RENTERIA,Ana.
Abstract The objective of this study was to evaluate the effect of power ultrasound on the microbiota of chicken meat. Samples were treated under the following conditions of frequency and power: 20 kHz and 27.6 W/cm2; 40 kHz and 10.3 W/cm2; 850 kHz and 24.1 W/cm 2. Microbial counts were done before the ultrasound treatment, immediately after and following 7 days of aerobic storage at 4 °C. The results indicate that high intensity ultrasound helps inhibit the growth of lactic acid, mesophilic and psychrophilic bacteria present in chicken meat at the ultrasound frequency levels used in this study. The number of mesophilic bacteria decreased with the ultrasound probe at 20 kHz and 27.6 W/cm2 in relation to the treatment with higher frequency and less...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bacterial growth; Bacterial count; Chicken meat; Deterioration; Storage.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612019000500129
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Eggshell microbiology and quality of hatching eggs subjected to different sanitizing procedures PAB
Clímaco,Winnie Luiza dos Santos; Melo,Érica de Faria; Vaz,Diego Pereira; Saldanha,Mariana Masseo; Pinto,Maria Fernanda Vieira da Silva; Fernandes,Letícia Carolina Cleto; Baião,Nelson Carneiro; Oliveira,Letícia Goulart de; Sant’Anna,Felipe Machado de; Souza,Marcelo Resende de; Lara,Leonardo José Camargos.
Abstract: The objective of this work was to evaluate the effect of different disinfection procedures as alternatives to formaldehyde fumigation on eggshell microbial load and quality of eggs from a 42-week-old Cobb commercial breeder flock. A total of 10,080 clean eggs collected from the nests were randomly distributed in a randomized complete block design, among the following treatment groups: 13.33 g m-3 formaldehyde fumigation, 5-10 ppm ozone fumigation, 6.36 mW cm-2 UV-C light irradiation, spraying with 1.56% hydrogen peroxide, spraying with 0.13% peracetic acid, spraying with water (wet control), and no disinfection procedure (dry control). Per treatment, eight samples of four eggs each were collected before and after the disinfection procedure, in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bacterial count; Ozone; Resistance force; Sanitizers; Thickness; UV light.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2018001001177
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Quality based payment program and milk quality in dairy cooperatives of Southern Brazil: an econometric analysis Scientia Agricola
Botaro,Bruno Garcia; Gameiro,Augusto Hauber; Santos,Marcos Veiga dos.
Programs designed to enhance milk quality have been used to motivate dairy farmers to improve the quality of the raw milk they produce. The objective of this study was to evaluate the association between a milk quality payment program and four indicative variables of milk quality, by testing bulk tank somatic cell count (SCC), bulk tank total bacterial count (TBC), fat (FAT) and protein (PROT) percentages over three years in four dairy cooperatives in Southern Brazil. We used a multiple regression econometric model estimated from market data of milk delivered by farmers to the cooperatives. Bulk tank milk samples (n = 19,644) were monthly collected. The data set was analyzed for the effects of seasonality, average daily volume of milk, the award/penalty,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bacterial count; Somatic cell count; Premium payment; Milk composition; Milk production.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162013000100004
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