Post-extraction algal residue in beef steer finishing diets: I. Nutrient utilization and carcass characteristics

In Part I of a two-part study, an experiment was conducted to determine effects of post-extraction algal residue (PEAR) inclusion on nutrient utilization and carcass characteristics in finishing steers. Eighteen Angus×Hereford steers (initial body weight=549±38.8kg) were randomly assigned to one of...

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Bibliographic Details
Published in:Algal research (Amsterdam) 2017-07, Vol.25, p.584-588
Main Authors: Morrill, J.C., Sawyer, J.E., Smith, S.B., Miller, R.K., Baber, J.R., Wickersham, T.A.
Format: Article
Language:English
Subjects:
Algae
Beef cattle
Digestion
Intake
Post-extraction algal residue
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Summary:In Part I of a two-part study, an experiment was conducted to determine effects of post-extraction algal residue (PEAR) inclusion on nutrient utilization and carcass characteristics in finishing steers. Eighteen Angus×Hereford steers (initial body weight=549±38.8kg) were randomly assigned to one of three treatments for the last 35days prior to harvest: PEAR added to the ration at 1.0kg organic matter (OM)/day (PEAR), or 1.0kg OM/day glucose infused ruminally (GR) or abomasally (GA). The basal diet consisted of a standard finishing ration with additional roughage provided in the diet to prevent sudden changes in intake as a result of infusion treatments. Greater dry matter intake (DMI) was observed for PEAR (13.0kg/d) than GR (10.3kg/d; P
ISSN:2211-9264
2211-9264
DOI:10.1016/j.algal.2017.05.026