Document Detail


The sequential feeding of growing chickens.
MedLine Citation:
PMID:  1148148     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
1. Male chickens, I week old, were fed alternately for 6 or 12 h periods with diets complementary in their amino acid composition. The isonitrogenous, isoenergetic diets were based on fish meal or sunflower meal as the sole source of protein, or fish meal-sunflower (40:60, w/w); each diet contained 120 g crude protein/kg. Other groups of chickens were given these diets ad lib. 2. Net protein utilization (NPU) values obtained after a I-week experimental period indicated that sequential feeding for bot 6 and 12 h resulted in significantly improved responses compared with chickens given the same diets ad lib. These results suggested that the two protein sources, although provided at separate times, could complement each other. 3. In certain treatments there was a 6 or 12 h fasting period between feeding periods to reduce the effect of nutrients from the previous period. 4. For alternate feeding and fasting periods of 6 h with the combined diet, food intake and gain in body-weight were both significantly reduced compared with the corresponding values for the combined diet fed ad lib. The NPU value was virtually the same for both treatments. For 12 h periods of alternate feeding and fasting the gain in body-weight was only just significantly lower than that for the control group (combined diet fed ad lib.), but the NPU value was highly significantly better than that for the control group. 5. For the treatments which included 6 and 12 h fasting periods between the two single-protein diets, the food intake and gain in body-weight were significantly lower compared with the treatment groups given alternate feeding thd fasting periods of either 6 or 12 h with the combined diet. The NPU values for the two groups given 12 h alternate feeding and fasting periods differed significantly, whereas the NPU values for the two groups given 6 h feeding and fasting periods were the same.
Authors:
R M Gous; J J Du Preez
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The British journal of nutrition     Volume:  34     ISSN:  0007-1145     ISO Abbreviation:  Br. J. Nutr.     Publication Date:  1975 Jul 
Date Detail:
Created Date:  1975-11-01     Completed Date:  1975-11-01     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0372547     Medline TA:  Br J Nutr     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  113-8     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Amino Acids / analysis
Animal Nutritional Physiological Phenomena
Animals
Body Weight
Chickens
Diet
Dietary Proteins* / analysis,  standards
Fasting
Feeding Behavior
Fish Flour*
Fish Products*
Helianthus*
Male
Nitrogen / metabolism
Plant Proteins
Proteins / metabolism*
Seeds*
Chemical
Reg. No./Substance:
0/Amino Acids; 0/Dietary Proteins; 0/Plant Proteins; 0/Proteins; 7727-37-9/Nitrogen

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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