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Cilt sonuçları
A Study of Machine Milking Rate of Holstein-zebu Dairy Cows in Trinidad
M.W. Silvey, Imperial College of Tropical Agriculture (Trinidad and Tobago) · Yayınevi bilinmiyor
90 sayfa · 1964
Dairy cattle
Detailed Pasture and Animal Data from a Long-term Grazing Trial on Brigalow Soil
Campbell Kenneth McDonald, Richard Morris Jones, M. W. Silvey, Commonwealth Scientific and Industrial Research Organization (Australia). Division of Tropical Crops and Pastures · Yayınevi bilinmiyor
33 sayfa · 1995
Brigalow lands