948 resultados para slaughter


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Mode of access: Internet.

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Latest issue consulted: 2001.

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(cropped from 1922 team photo)

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Aims: A survey to determine the prevalence and numbers of Salmonella in beef cattle presented for slaughter at abattoirs across Australia was conducted between September 2002 and January 2003. Methods and Results: Automated immunomagnetic separation (AIMS) was used for detection and isolation of Salmonella enriched from cattle faeces. Salmonella were enumerated from positive samples using a combination of the Most Probable Number (MPN) technique and AIMS. A total of 310 faecal samples were tested, 155 were from lot-fed cattle and 155 from grass-fed cattle. Salmonella spp. were isolated from 21 (6.8%) of the cattle and the prevalence amongst grass-fed cattle (4.5%) was not significantly different to that found in lot-fed cattle (9%). Counts of Salmonella in positive faeces varied from

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Aims: To determine the prevalence and concentration of Escherichia coli O157 shed in faeces at slaughter, by beef cattle from different production systems. Methods and Results: Faecal samples were collected from grass-fed (pasture) and lot-fed (feedlot) cattle at slaughter and tested for the presence of E. coli O157 using automated immunomagnetic separation (AIMS). Escherichia coli O157 was enumerated in positive samples using the most probable number (MPN) technique and AIMS and total E. coli were enumerated using Petrifilm. A total of 310 faecal samples were tested (155 from each group). The geometric mean count of total E. coli was 5 x 10(5) and 2.5 x 10(5) CFU g(-1) for lot- and grass-fed cattle, respectively. Escherichia coli O157 was isolated from 13% of faeces with no significant difference between grass-fed (10%) and lot-fed cattle (15%). The numbers of E. coli O157 in cattle faeces varied from undetectable (

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Kenya is composed of over 40 ethnic communities who practice varied methods of animal handling and slaughter. Socio-cultural and religious traditions have the potential to influence animal handling and slaughter practices. These influences have, however, not been documented in the literature as far as the author is aware. Also, the literature has documented the connection between the manner of animal treatment and meat quality, but this is rarely discussed in the literature in Kenya; this connection is important as it informs modern meat trade practices by Kenyans as they trade in the global arena. This survey aimed to mainly establish and document the animal slaughter practices among Kenyan communities, and, to also highlight any current provisions related to meeting modern animal welfare requirements, animal handling procedures in the meat trade and discuss their potential influence on meat quality available in commerce in Kenya. This preliminary study surveyed the slaughter practices among 10 different Kenyan communities through a semi-structured questionnaire, focus group discussions and individual interviews. The survey demonstrated that different Kenyan communities practice varied methods of animal slaughter depending on whether the animal being slaughtered is for public feasting, domestic consumption or commercial merchandizing. The Kenyan communities surveyed in this study depend mainly on males to slaughter livestock for females preparing it for domestic use using a number of instruments and methods. For small stock for domestic consumption, females may slaughter the animal except for Muslims whose males have to slaughter the animal with a special knife (a Khalef) according to Muslim rites to render it Halal. Large stock is invariably slaughtered by males irrespective of the community, and the manner of use of the carcass. Gender, age, religion, community and the size of the animal were the major determinants of the method of animal slaughter. The animal welfare issues highlighted in the survey and related to the handling and slaughter of livestock have important implications for meat quality during commercial merchandizing. There is an apparent need to provide education to herders, livestock handlers, employees and management in the livestock industry in Kenya on the relationship between animal welfare requirements, animal handling procedures and meat quality. Such awareness can potentially improve the quality and economic value of the meat available in commerce.