By Graham C. Perry

ISBN-10: 1845931807

ISBN-13: 9781845931803

ISBN-10: 1845931815

ISBN-13: 9781845931810

Derived from the twenty eighth chicken technology Symposium of the World's bird technological know-how organization (UK), this e-book specializes in the present curiosity of the phasing out of antibiotic use in chicken and covers in-depth interactions among the chicken, its vitamin and power pathogens. It additionally demonstrates the knowledge of the intestine health and wellbeing within the twenty first century of business chook and flocks and the last word protection of fowl product within the human nutrition chain.

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Extra resources for Avian Gut Function in Health and Disease:

Sample text

Mucin-producing cells can be observed from 17E and at that time contain only acidic mucin. The activity and RNA expression of brush-border enzymes, which digest disaccharides and small peptides, and of major transporters (sodium–glucose transporter and ATPase) which are found at 15E, begin to increase at 19E (2 days prior to hatch), and increase further on the day of hatch. Although the digestive capacity begins to develop a few days before hatch, most of the development occurs post-hatch when the neonatal chick begins consuming feed.

Enzymes, transporters and glycosidation patterns change dramatically during the transition from embryo to independent chick, accompanying the crucial transition that occurs in the nutrient source of the hatchling. The yolk sac consists primarily of lipids and proteins, while the external feed consists of carbohydrates, lipids and proteins. This major change demands suitable redeployment of the cellular mechanisms that catalyse the digestion or hydrolysis and absorption of food components. e. the yolk) to exogenous feed, the yolk lipids – such as oleic acid – are quickly absorbed (this occurs close to hatch), whereas dietary carbohydrates and amino acids are not well utilized because of limitations in digestive and absorptive capacity.

Poultry Science 83, 2023–2028. R. and Uni, Z. (2005) Changes in chicken intestinal Zinc exporter (ZnT1) mRNA expression and small intestine functionality following an intra-amniotic ZincMethionine (ZnMet) administration. Journal of Nutritional Biochemistry 16, 339–346. L. and Wang, W. (1991) Isolation of intestinal epithelial cells for the study of differential gene expression along the crypt–villus axis. American Journal of Physiology 260, 895–903. , We, G. and Judge, J. (1992) Sucrase-Isomaltase gene expression along the crypt-villus axis of human small intestine is regulated at the level of mRNA abundance.

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Avian Gut Function in Health and Disease: by Graham C. Perry

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