A.J.H. Van Es

Feed evaluation for ruminants : New energy systems in the Netherlands, France and Switzerland general introduction

H. Bickel, M. Vermorel, A.J.H. Van Es, 1978 .

The nutrient requirements of ruminant livestock

A.J.H. Van Es, A. V. Es, 1982 .

Feed evaluation for ruminants. I. The systems in use from May 1977-onwards in The Netherlands

A.J.H. Van Es, A. V. Es, 1978 .

Feed evaluation for dairy cows

A.J.H. Van Es, A. V. Es, 1975 .