Search
Now showing items 1-2 of 2
Prevalence of Escherichia coli O157 in cattle feeds in Midwestern feedlots
(American Society for Microbiology, 2003-09)
Comparisons of enrichment methods (with or without antibiotics and with or without a preenrichment step) using gram-negative (GN) broth or tryptic soy broth (TSB) were conducted with feeds inoculated with Escherichia coli ...
Rumen microbial population dynamics during adaptation to a high-grain diet
(American Society for Microbiology, 2010-11)
High-grain adaptation programs are widely used with feedlot cattle to balance enhanced growth performance against the risk of acidosis. This adaptation to a high-grain diet from a high-forage diet is known to change the ...