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Use of Exogenous Fibrolytic Enzymes to Improve Feed Utilization by Ruminants
Research has demonstrated that supplementing dairy cow and feedlot cattle diets with fiberdegrading enzymes has significant potential to improve feed utilization and animal performance. Ruminant feed… Expand
Effects of an enzyme feed additive on extent of digestion and milk production of lactating dairy cows.
A study was conducted using lactating Holstein cows with ruminal and duodenal cannulas in a 4 x 4 Latin square design to investigate fibrolytic enzyme supplementation on site and extent of nutrient… Expand
Effects of particle size of alfalfa-based dairy cow diets on chewing activity, ruminal fermentation, and milk production.
Effects offorage particle size measured as physically effective NDF and ratio of alfalfa silage to alfalfa hay of diets on feed intake, chewing activity, particle size reduction, salivary secretion,… Expand
Effects of grain processing, forage to concentrate ratio, and forage particle size on rumen pH and digestion by dairy cows.
Dietary factors that alter the intake of effective fiber were evaluated for their effects on rumen fermentation, digestion, and milk production using a double 4 x 4 quasi-Latin square design with a… Expand
A comparison of methods of adding fibrolytic enzymes to lactating cow diets.
Holstein cows (n = 43) in early lactation were used to investigate effects of method of adding fibrolytic enzymes to diets on feed intake, milk production, and digestibility. Cows were blocked… Expand
Effects of physically effective fiber on intake, chewing activity, and ruminal acidosis for dairy cows fed diets based on corn silage.
A study was conducted to investigate the effects of physically effective (pe) neutral detergent fiber (NDF) content of dairy cow diets containing corn silage as the sole forage type on feed intake,… Expand
Effects of garlic and juniper berry essential oils on ruminal fermentation and on the site and extent of digestion in lactating cows.
- W. Yang, C. Benchaar, B. Ametaj, A. Chaves, M. He, T. McAllister
- Biology, Medicine
- Journal of dairy science
- 1 December 2007
The objective of this study was to evaluate the effects of feeding essential oils from garlic (GAR) and juniper berry (JUN), or monensin (MO) on feed intake, ruminal fermentation, the site and extent… Expand
Effects of grain source and enzyme additive on site and extent of nutrient digestion in dairy cows.
Four lactating, cannulated Holstein cows were used in a 4 x 4 Latin square design to investigate the effects of grain source and fibrolytic enzyme supplementation on ruminal fermentation, nutrient… Expand
Fibrolytic enzyme supplements for dairy cows in early lactation.
Twenty multiparous lactating Holstein cows in early lactation were used to investigate effects of exogenous fibrolytic enzyme supplementation on dry matter intake, milk production, and digestibility.… Expand
Effects of chromium supplementation on early lactation performance of Holstein cows
Two experiments were conducted to evaluate the effects of chromium (Cr) supplementation on early lactation performance of Holstein cows. Experiment 1 involved 12 primiparous (PP) and 22 multiparous… Expand