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

Autor: Stephen B. Smith, Tryon A Wickersham, Jason E. Sawyer, R.K. Miller, J. R. Baber, J. C. Morrill
Rok vydání: 2017
Předmět:
Zdroj: Algal Research. 25:584-588
ISSN: 2211-9264
Popis: 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 ± 38.8 kg) were randomly assigned to one of three treatments for the last 35 days prior to harvest: PEAR added to the ration at 1.0 kg organic matter (OM)/day (PEAR), or 1.0 kg 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 (13.0 kg/d) than GR (10.3 kg/d; P
Databáze: OpenAIRE