Document Detail


Influence of moisture content of mixed rations on feed intake and milk production of dairy cows.
MedLine Citation:
PMID:  2283419     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Rations with target DM proportions of 35, 45,and 65%, attained by soaking the grain mix in water for 24 h, were fed to 46 mid to late lactation, multiparturient dairy cows in two experiments (Experiment 1, 35 and 45% DM; Experiment 2, 45 and 60% DM) to examine the effect of DM percentage of the totally mixed ration on intake and production of cows. Water-soaked concentrate and alfalfa silage were mixed daily and fed ad libitum. Dry matter intake and milk yield and composition were not influenced by the moisture content of the mixed ration in either experiment. Ruminal pH, ammonia N concentration, total VFA, and molar proportions of individual VFA also were not influenced by ration DM in either experiment. Results suggest that rumen water efflux, as influenced by addition of water to the concentrate portion of the mixed ration, is not a factor limiting intake in dairy cows fed high moisture mixed rations.
Authors:
P H Robinson; P L Burgess; R E McQueen
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of dairy science     Volume:  73     ISSN:  0022-0302     ISO Abbreviation:  J. Dairy Sci.     Publication Date:  1990 Oct 
Date Detail:
Created Date:  1991-03-19     Completed Date:  1991-03-19     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  2985126R     Medline TA:  J Dairy Sci     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  2916-21     Citation Subset:  IM    
Affiliation:
Agriculture Canada Research Station, Fredericton, New Brunswick.
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MeSH Terms
Descriptor/Qualifier:
Animal Feed*
Animals
Blood Glucose / analysis
Blood Urea Nitrogen
Cattle / physiology*
Eating*
Female
Fermentation
Lactation / physiology*
Rumen / metabolism
Water / administration & dosage*
Chemical
Reg. No./Substance:
0/Blood Glucose; 7732-18-5/Water

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


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