Improving dairy herds
By: by J.B. Parker
Series: Leaflet / U. S. Dept. of Agriculture -- no. 19; Leaflet (United States. Dept. of Agriculture) -- no. 19.
Publisher: U.S. Dept. of Agriculture
Published: 1928
Place of publication: Washington, D.C
Language: eng
Subjects: Livestock improvement
Notes: Issued February, 1928.