Document Detail

Evaluation of the interrelationships among lactose and protein sources in diets for segregated early-weaned pigs.
MedLine Citation:
PMID:  9419995     Owner:  NLM     Status:  MEDLINE    
We conducted two experiments to evaluate the interactions among lactose and protein sources in diets for segregated early-weaned pigs. In Exp. 1, 360 barrows (initially 5.3 kg and 19 +/- 2 d of age) were fed diets containing crystalline lactose (0, 20, and 40%), spray-dried animal plasma (0 and 7.5%), and soybean meal (0 and 20%) in a 3 x 2 x 2 factorial arrangement. We used a blend of select menhaden fish meal and casein to replace the lysine provided by soybean meal or animal plasma. Diets contained 1.7% total lysine and were fed from d 0 to 14 after weaning. Pigs were fed a common diet from d 14 to 34. From d 0 to 14 after weaning, ADG and ADFI increased with increasing dietary lactose when the diet contained soybean meal but decreased when soybean meal was not in the diet (lactose x soybean meal, P < .05 and .10, respectively). Pigs fed animal plasma had increased (P < .05) ADG and ADFI from d 0 to 14 but decreased (P < .05) ADG from d 14 to 34. In Exp. 2, 324 barrows (initially 3.7 kg and 10 +/- 2 d of age) were fed diets from d 0 to 10 similar to those used in Exp. 1 with the exception that extruded soy protein concentrate replaced the lysine provided by soybean meal or animal plasma. From d 0 to 10 after weaning, increasing lactose improved (linear, P < .05) ADG and ADFI, and pigs fed animal plasma had higher ADFI (P < .05). In conclusion, soybean meal had no negative effect on ADG; however, animal plasma and lactose increased ADG and ADFI for pigs weaned between 10 and 19 d of age.
W B Nessmith; J L Nelssen; M D Tokach; R D Goodband; J R Bergström; S S Dritz; B T Richert
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of animal science     Volume:  75     ISSN:  0021-8812     ISO Abbreviation:  J. Anim. Sci.     Publication Date:  1997 Dec 
Date Detail:
Created Date:  1998-02-02     Completed Date:  1998-02-02     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8003002     Medline TA:  J Anim Sci     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  3214-21     Citation Subset:  IM    
Department of Animal Sciences and Industry, Kansas State University, Manhattan 66506-0201, USA.
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MeSH Terms
Aging / metabolism*
Blood Proteins / metabolism
Diet / veterinary*
Dietary Proteins / metabolism*
Lactose / metabolism*
Lysine / metabolism
Random Allocation
Soybean Proteins / metabolism
Swine / growth & development,  metabolism*
Reg. No./Substance:
0/Blood Proteins; 0/Dietary Proteins; 0/Soybean Proteins; 56-87-1/Lysine; 63-42-3/Lactose

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

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