Document Detail

Nutritional evaluation of low-phytate peas (Pisum sativum L.) for young broiler chicks.
MedLine Citation:
PMID:  23298192     Owner:  NLM     Status:  Publisher    
This experiment determined the effects of including normal and low-phytate peas in diets fed to young broiler chickens on performance, phosphorus availability and bone strength. A total of 180, day-old, male broilers (Ross-308 line) were assigned to six treatments. The control was based on corn and soybean meal while two additional corn-based diets were formulated containing 30% of either normal or low-phytate pea providing 0.45% available phosphorus. For each of these three diets, a similar diet was formulated by reducing the amount of dicalcium phosphate to produce a diet with 0.3% available phosphorus. The total tract apparent availability (TTAA) of phosphorus was higher (p = 0.02) for broilers fed the low-phytate pea than for birds fed the normal pea diets. Birds fed diets containing the lower level of phosphorus had a higher TTAA of phosphorus (50.64 vs. 46.68%) than broilers fed diets adequate in phosphorus. Protein source had no effect on weight gain, feed intake or feed conversion. Broilers fed the low phosphorus diets had lower weight gain (p = 0.04) and feed intake (p < 0.01) than broilers fed the higher phosphorus level. Bone strength was higher (p < 0.01) for broilers fed diets based on low-phytate pea than for those fed diets based on normal pea or soybean meal. Increasing the availability of the phosphorus in peas could mean that less inorganic phosphorus would be required in order to meet the nutritional requirements of broilers. Since inorganic phosphorus sources tend to be expensive, a reduction in their use would lower ration costs. In addition, increased availability of phosphorus would reduce the amount of phosphorus excreted thus reducing the amount of phosphorus that can potentially pollute the environment.
Philip Thacker; Aman Deep; Daniel Petri; Thomas Warkentin
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-9
Journal Detail:
Title:  Archives of animal nutrition     Volume:  -     ISSN:  1745-039X     ISO Abbreviation:  Arch Anim Nutr     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101222433     Medline TA:  Arch Anim Nutr     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
a Department of Animal Science , University of Saskatchewan , Saskatoon , Saskatchewan , Canada.
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