Yazar
John Whittemore Gowen
7 cilt bulundu.
Cilt sonuçları
Milk secretion
John Whittemore Gowen · Williams & Wilkins Company
363 sayfa · 1924
Cows / Holstein-Friesian cattle / Milk
Heterosis; a record of researches directed toward explaining and utilizing the vigor of hybrids
John Whittemore Gowen · Hafner
552 sayfa · 1964
Heterosis / Hybridization / Edible Grain / Genetic Hybridization / Cereals
Manual of Dairy Cattle Breeding
John W. (John Whittemore) 1893- Gowen · Creative Media Partners, LLC
Sayfa sayısı yok · 2021
Kategori yok

