Creating a system for meeting the fiber requirements of dairy cows

DR Mertens - Journal of dairy science, 1997 - Elsevier
Current NRC recommendations for dairy cattle provide limited guidance to nutritionists for
meeting the fiber and carbohydrate needs of lactating cows. The NRC provides only …

Relationship between fermentation acid production in the rumen and the requirement for physically effective fiber

MS Allen - Journal of dairy science, 1997 - Elsevier
The content of ruminally fermented OM in the diet affects the fiber requirement of dairy cattle.
Physically effective fiber is the fraction of feed that stimulates chewing activity. Chewing, in …

Effects of grain processing, forage to concentrate ratio, and forage particle size on rumen pH and digestion by dairy cows

WZ Yang, KA Beauchemin, LM Rode - Journal of dairy science, 2001 - Elsevier
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 …

[HTML][HTML] Soyhulls as an alternative feed for lactating dairy cows: a review

IR Ipharraguerre, JH Clark - Journal of Dairy Science, 2003 - Elsevier
Dairy producers use soyhulls, a byproduct of soybean processing, to replace either grain or
forage in diets of lactating dairy cows. In view of the nutritional and economical value of …

[HTML][HTML] Effects of alfalfa particle size and specific gravity on chewing activity, digestibility, and performance of Holstein dairy cows

AT Yansari, R Valizadeh, A Naserian… - Journal of dairy …, 2004 - Elsevier
Two experiments were carried out to test the effects of alfalfa particle size and functional
specific gravity (FSG) on chewing activity, digestibility, rumen kinetics, and production of …

Effects of dietary neutral detergent fiber on intakes of dry matter and net energy by dairy and beef cattle: analysis of published data

HM Arelovich, CS Abney, JA Vizcarra… - The Professional Animal …, 2008 - Elsevier
Meta-analysis was applied to evaluate the relationships between dietary NDF and voluntary
intakes of DM and net energy by cattle from 2 databases. The databases were configured …

[HTML][HTML] The effect of corn silage particle size and cottonseed hulls on cows in early lactation

PJ Kononoff, AJ Heinrichs - Journal of Dairy Science, 2003 - Elsevier
The objective of this study was to evaluate the effects of reducing forage particle length
(FPL) and the inclusion of cottonseed hulls (CSH) on intake, digestibility, chewing activity …

[HTML][HTML] Effects of forage particle size and grain fermentability in midlactation cows. I. Milk production and diet digestibility

KM Krause, DK Combs, KA Beauchemin - Journal of Dairy Science, 2002 - Elsevier
Our study investigated the effects of, and interactions between, level of dietary ruminally
fermentable carbohydrate (RFC) and forage particle size on milk production, nutrient …

[HTML][HTML] Physically adjusted neutral detergent fiber system for lactating dairy cow rations. I: Deriving equations that identify factors that influence effectiveness of fiber

RR White, MB Hall, JL Firkins, PJ Kononoff - Journal of Dairy Science, 2017 - Elsevier
Physically effective neutral detergent fiber (peNDF) is the fraction of neutral detergent fiber
(NDF) that stimulates chewing activity and contributes to the floating mat of large particles in …

Factors affecting the efficiency of nitrogen utilization in the rumen.

AN Hristov, JP Jouany - Nitrogen and phosphorus nutrition of …, 2005 - cabidigitallibrary.org
The purpose of animal nutrition is to supply the right amount of nutrients that the animal
needs to meet a pre-set production target. Any shortfall in nutrient provision will reduce …