21 resultados para Hamburg chicken

em University of Queensland eSpace - Australia


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Special edition: The United Nations and international legal order - the case of the Juno Trader - on 18 December 2004, the International Tribunal for the Law of the Sea ordered the prompt release of a refrigerated cargo vessel and its cargo for fisheries violations in an exclusive economic zone - Tribunal unanimously decided that the vessel and cargo be released, upon posting of a bond in the form of a bank guarantee - crew should be free to leave without conditions - in this case, on prompt release, the Tribunal made valuable contributions to existing case law on the issue - shows that specialised tribunals may perform a decentralised application of the international rule of law - crystallises international fundamental standards of fairness and human rights.

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An increase in the production of palm kernel meal (PKM) coupled with the concern for continued availability of conventional feedstuffs in some parts of the world has led to research to establish the maximum inclusion level of palm kernel meal in broiler diets. The results suggested that palm kernel meal has no anti-nutritional properties and thus its inclusion is safe up to at least 40% in the diet, provided the diet is balanced in amino acids and metabolisable energy. Although feed digestibility is decreased due to high dietary fibre when PKM is included in the diet, the feed intake is increased. This makes total digestible nutrient intake relatively high. beta-mannan is the main component of palm kernel meal non-starch polysaccharide (NSP). Both mannose and manno-oligosaccharides have been reported to act as prebiotics. The inclusion of palm kernel meal in the diet improves the immune system of birds and reduces pathogenic bacteria and increases the population of nonpathogenic bacteria in the intestine. These two benefits should be considered as strong recommendations for using palm kernel meal in broiler diets, particularly in palm kernel meal producing countries, not only for increasing bird productivity but also to improve chicken health. Selective enzyme addition increases feed efficiency and digestibility as well as decreasing the moisture content of faeces.

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The chicken ovalbumin upstream promoter-transcription factors ( COUP-TFs) are orphan members of the nuclear hormone receptor ( NR) superfamily. COUP-TFs are involved in organogenesis and neurogenesis. However, their role in skeletal muscle ( and other major mass tissues) and metabolism remains obscure. Skeletal muscle accounts for similar to 40% of total body mass and energy expenditure. Moreover, this peripheral tissue is a primary site of glucose and fatty acid utilization. We utilize small interfering RNA ( siRNA)-mediated attenuation of Coup-TfI and II ( mRNA and protein) in a skeletal muscle cell culture model to understand the regulatory role of Coup-Tfs in this energy demanding tissue. This targeted NR repression resulted in the significant attenuation of genes that regulate lipid mobilization and utilization ( including Ppar alpha, Fabp3, and Cpt-1). This was coupled to reduced fatty acid beta-oxidation. Additionally we observed significant attenuation of Ucp1, a gene involved in energy expenditure. Concordantly, we observed a 5-fold increase in ATP levels in cells with siRNA-mediated repression of Coup-TfI and II. Furthermore, the expression of classical liver X receptor ( LXR) target genes involved in reverse cholesterol transport ( Abca1 and Abcg1) were both significantly repressed. Moreover, we observed that repression of the Coup-Tfs ablated the activation of Abca1, and Abcg1 mRNA expression by the selective LXR agonist, T0901317. In concordance, Coup-Tf-siRNA-transfected cells were refractory to Lxr-mediated reduction of total intracellular cholesterol levels in contrast to the negative control cells. In agreement Lxr-mediated activation of the Abca1 promoter in Coup-Tf-siRNA cells was attenuated. Collectively, these data suggest a pivotal role for Coup-Tfs in the regulation of lipid utilization/cholesterol homeostasis in skeletal muscle cells and the modulation of Lxr-dependent gene regulation.