منابع مشابه
The Nutritional Requirements of Baby Chicks
When Sugiura and Benedict (1) concluded from their work with pigeons and squabs that vitamin A was not required for avian nutrition, a fundamental distinction, if true, in the nutritional requirement of birds and mammals was made. It would seem, of course, that such an observation could not go unchallenged for any length of time, especially when the entire gamut of avian life was included. Cons...
متن کاملEstimating real-time individual amino acid requirements in growing- finishing pigs: towards a new definition of nutrient requirements in growing-finishing pigs?
1 Dairy and Swine Research and Development Centre, Agriculture and Agri-Food Canada, P.O. Box 90, 2000 Route, 108 East Lennoxville, Que., Canada J1M 1Z3; 2 Department of Agricultural Engineering, Universitat de Lleida, Alcalde Rovira Roure, 191, 25198 Lleida, Spain; 3 Centre de Développement du Porc du Québec inc., Sainte-Foy, Québec, G1V 4M7, Canada; 4 Département des sciences animales, Univer...
متن کاملNutrient requirements of premature infants.
Exact knowledge of the nutrient requirements of premature infants is critically important for the prevention of postnatal growth failure and for improved neurodevelopmental outcome. Methods whereby nutrient requirements can be estimated fall into two categories, factorial methods and empirical methods. Each have their advantages and disadvantages. The factorial methods provide estimates of requ...
متن کاملCalcium Requirements of Growing Pigs »
The role of calcium and phosphorus in animal nutrition has received much attention in recent years, and many studies have been made to determine the need of these minerals in the nutrition of the pig. Much of the work has dealt with deficient rations and means of correcting the deficiencies. Recently the individual minimum requirements of these minerals have received the attention of investigat...
متن کاملProtein requirements of growing lambs.
I . The protein requirements of lambs were established by measuring nitrogen balance in seventy-four animals given liquid diets which passed direct to the abomasum. Four groups of lambs weighing approximately 8 kg (group I), 13 kg (group z), 21 kg (group 3) and 30 kg (group 4) received diets in which 0-10, 0.15, ozo,o'z5, 0 . 3 0 , 0 3 5 or w4oof thedigestibleenergy was provided as protein (DPE...
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ژورنال
عنوان ژورنال: Poultry Science
سال: 1925
ISSN: 0032-5791
DOI: 10.3382/ps.0040118