Reduction of intestinal viscosity through manipulation of dietary rye and pentosanase concentration is effected through changes in the carbohydrate composition of the intestinal aqueous phase and results in improved growth rate and food conversion efficiency of broiler chicks

Article Abstract:

Broiler chicks were fed with varying concentrations of dietary rye and pentosanase to determine optimum enzyme supplement that will promote growth and enhance food conversion efficiency (FCE). Results showed that increasing pentosanase and decreasing rye levels improved poultry performance. The viscosity of the intestine's aqueous phase dropped with the enzyme addition and rye reduction due to changes in high-molecular weight carbohydrate concentration. The reduction of viscosity in the distal and proximal small intestine accompanied FCE enhancement.

Enzymes, Rye

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Excess levels of cysteine and homocysteine induce tibial dyschondroplasia in broiler chicks

Article Abstract:

Excess cysteine and homocysteine induce lesions in the proximal metaphyseal region of the tibiotarsus, a condition known as tibial dyschondroplasia (TD). The effect of excess homocysteine and cysteine in broiler chicks was investigated. Chicks were given soybean-based diets supplemented with either cysteine or homocysteine. Results showed that 0.5% homocysteine or cysteine supplement was enough to induce TD. The mechanism of TD etiology resulting from cysteine or homocysteine is undetermined.

Abnormalities, Tibia

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Plasma total homocyst(e)ine may not be the most appropriate index for cardiovascular disease risk

Article Abstract:

Use of plasma total homocystine as the index for cardiovascular disease risk is discussed. Mechanisms by which homocystine is biochemically related to cardiovascular disease and the nature of homocystinuria are considered. It is suggested that special attention should be given to intra/extracellular free-reduced homocystine concentrations in future research.

United States, Health aspects, Editorial, Statistical Data Included, Research, Planning, Cardiovascular diseases, Nutrition, Cytochemistry, Antioxidants, Antioxidants (Nutrients), Genetic disorders, Experimental design, Research design, Homocysteine, Homocystinuria

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