C. J. van der Koelen

Effects of partial replacement of ryegrass by low protein feeds on rumen fermentation and nitrogen loss by dairy cows.

A. V. van Vuuren, H. de Visser, C. J. van der Koelen, 1993, Journal of dairy science.

Starch supplementation of grass harvested at two stages of maturity prior to ensiling: intake, digestion, and degradability by dairy cows.

A. V. van Vuuren, A. Klop, H. de Visser, 1998, Journal of dairy science.

Free amino acids in plasma and muscle of high yielding dairy cows in early lactation.

J. Bakker, A. V. van Vuuren, J. van der Meulen, 1995, Journal of dairy science.

Starch and stage of maturity of grass silage: site of digestion and intestinal nutrient supply in dairy cows.

A. V. van Vuuren, A. Klop, H. de Visser, 1999, Journal of dairy science.

Ryegrass versus corn starch or beet pulp fiber diet effects on digestion and intestinal amino acids in dairy cows.

A. V. van Vuuren, C. J. van der Koelen, J. Vroons-De Bruin, 1993, Journal of dairy science.