By Subcommittee on Poultry Nutrition, National Research Council
This vintage reference for bird meals has been up-to-date for the 1st time on the grounds that 1984. The bankruptcy on normal concerns relating person nutrition and water has been significantly elevated and contains, for the 1st time, equations for predicting the strength worth of person feed constituents from their proximate composition. a brand new appendix records intimately the clinical details used to derive the nutrient requisites showing within the precis for every species of poultry. Index.
Read Online or Download Nutrient Requirements of Poultry: Ninth Revised Edition, 1994 ( i Nutrient Requirements of Domestic Animals: i A Series) PDF
Similar zoology books
This quantity attempts to map out the interesting amalgam of other, in part conflicting ways that formed early sleek zoology. It demonstrates that theology and philology performed a pivotal function within the advanced formation of this new technological know-how.
Does biology condemn the human species to violence and battle? past experiences of animal habit incline us to respond to convinced, however the message of this e-book is significantly extra positive. with no denying our background of competitive habit, Frans de Waal describes strong assessments and balances within the make-up of our closest animal relations, and in so doing he exhibits that to people making peace is as usual as making battle.
- Cirugia en pequenos animales
- Müller/Bährmann Bestimmung wirbelloser Tiere: Bildtafeln für zoologische Bestimmungsübungen und Exkursionen
- Riff-Fuhrer. Tiere und Pflanzen im Indopazifik
- How Species Interact: Altering the Standard View on Trophic Ecology
- Grzimek's Animal Life Encyclopedia Fishes
Extra resources for Nutrient Requirements of Poultry: Ninth Revised Edition, 1994 ( i Nutrient Requirements of Domestic Animals: i A Series)
Hoyle and Garlich (1987) found no change in growth or development of Leghorn pullets in response to elevated levels of dietary energy or protein. As suggested above, energy intake is probably the most critical component for this age of bird, and energy intake can perhaps be manipulated best through stimulation of feed intake rather than by simply increasing the energy level of the feed. Copyright © National Academy of Sciences. All rights reserved. About this PDF file: This new digital representation of the original work has been recomposed from XML files created from the original paper book, not from the original typesetting files.
Page breaks are true to the original; line lengths, word breaks, heading styles, and other typesetting-specific formatting, however, cannot be retained, and some typographic errors may have been accidentally inserted. Please use the print version of this publication as the authoritative version for attribution. 13 150 150 165 Trace minerals Copper mg ? ? ? 08 Thiamin NOTE: Where experimental data are lacking, values typeset in bold italics represent an estimate based on values obtained for other ages or related species.
Synthetic pigments, such as canthaxanthin and β-apo-8-carotenoic acid (usually as an ethyl ester), can be used to control pigmentation more precisely to yield varying degrees of yellow-orange-red coloration. In natural products, xanthophylls are unstable, and effective levels may decline as a result of oxidation during prolonged storage. This decline can be reduced by the inclusion of antioxidants in the feed. A number of factors can adversely affect absorption of xanthophylls and thus lead to reduced pigmentation.