J.H. van Middelkoop

Investigating the eggshell conductance and embryonic metabolism of modern and unselected domestic avian genetic strains at two flock ages

E.E. O’Dea, G.M. Fasenko, J.J.R. Feddes et al. · Poultry Science · 2004 · 72 citations · Full text

Agriculture, Animal Sciences, Poultry Science +15

Selection for increased incidence of double‐yolked eggs in white leghorn chickens

Hans Abplanalp, Dorothy C. Lowry, J.H. van Middelkoop · British Poultry Science · 1977 · 31 citations

Agriculture, Animal Sciences, Poultry Science +17

Strain Differences in the Blood Concentrations of Luteinizing Hormone, Prolactin, and Growth Hormone in Female Chickens

Colin G. Scanes, J.H. van Middelkoop, P. J. Sharp et al. · Poultry Science · 1980 · 27 citations · Full text

Agriculture, Animal Sciences, Poultry Science +14

Classification of Abnormal Chicken Eggs

J.H. van Middelkoop, P.B. Siegel · Poultry Science · 1976 · 25 citations · Full text

Agriculture, Animal Sciences, Poultry Science +15

Shell abnormalities due to the presence of two eggs in the shell gland

J.H. van Middelkoop · Archiv für Geflügelkunde · 1971 · 19 citations · Full text

Agriculture, Anatomy, Developmental Biology +13