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Observations on Parasitism in Sheep in Northwester...
作者
G. S. Harshfield
出版1955
ISBN
UIUC:30112019851960
主題
Agriculture
Pregnancy Disease of Sheep
作者
Lee Miles Roderick / G. S. Harshfield
出版1932
ISBN
UIUC:30112019778791
主題
Agriculture
Investigation of Typical Aspergilli that May Grow ...
作者
G. Semeniuk
ISBN
OCLC:1289104618
主題
Aspergillus
Pathological Lesions of Pullorum Disease
作者
G. S. Harshfield
出版1930
ISBN
OCLC:55082453
主題
Salmonella pullorum
Controlling Internal Parasites of Sheep
作者
Gerald Smith Harshfield / South Dakota Agricultural Experiment Station / F. N. Carlson
出版1946
ISBN
OCLC:25518063
主題
Sheep
BVD
作者
G. S. Harshfield / Kenneth D. Weide / United States. Department of Agriculture / South Dakota State University. Cooperative Extension Service
出版1980*
ISBN
OCLC:166306142
主題
Bovine viral diarrhea
Buss Disease
作者
G. S. Harshfield / James H. Bailey / United States. Department of Agriculture / South Dakota State University. Cooperative Extension Service
出版1969*
ISBN
OCLC:170934117
主題
Cattle
Observations on Parasitism in Sheep in Northwester...
作者
G. S. Harshfield
出版1955
ISBN
UIUC:30112019851960
主題
Agriculture
Experiment Station Progress
作者
Albert Franklin Yeager / Alva Hartley Benton / Frederick Waldemar Christensen / Harry G. Anderson / Henry Luke Bolley / John Henry Shepperd / Lee Miles Roderick / Perry Fox Trowbridge / Peter John Olson / Wanda Weniger / Esther Latzke / G. S. Harshfield / Harlow Leslie Walster / Thomas Franklin Manns
出版1932
ISBN
UIUC:30112001705596
主題
Agricultural experiment stations