Yazar
brayton howard
25 cilt bulundu.
Brayton Howard Ransom · Govt. print. off.
179 sayfa · 1912
Sheep / Ostertagia bullosa. [from old catalog] / Parasites
![The turkey an important factor in the spread of gapeworms [Syngamus trachcalis]](https://covers.openlibrary.org/b/id/6065512-L.jpg)
Brayton Howard Ransom · Govt. print. off.
65 sayfa · 1912
Dipping fluids / Arsenic preparations. [from old catalog]
Brayton Howard Ransom · U. S. Govt. print. off.
Sayfa sayısı yok · 1946
Parasites / Nematodes / Helminths / Swine
Brayton Howard Ransom · U.S. Dept. of Agriculture, Bureau of Animal Industry
23 sayfa · 1912
Control / Anthelmintics / Parasites
Richard W. Hickman, James Law, John R. Mohler, A. J. Murray, Pearson, Leonard, Brayton Howard Ransom, Salmon, D. E., Theobald Smith, M. R. Trumbower · Govt. Print. Off.
576 sayfa · 1912
Diseases [from old catalog] / Cattle / Diseases / Cattle Diseases
Brayton Howard Ransom · G.P.O.
117 sayfa · 1911
Tapeworms / Cattle / Parasites / Diseases / Cattle Diseases
Brayton Howard Ransom, United States. Bureau of Animal Industry, United States. Department of Agriculture. National Agricultural Library. · Govt. print. off.
72 sayfa · 1904
Poultry / Parasites / Chickens