DHIA lactation averages, 1956-1957
Contributors: United States. Agricultural Research Service. Animal Husbandry Research Division. Dairy Cattle Research Branch; National Cooperative Dairy Herd Improvement Program (U.S.); National DHIA (U.S.)
Series: ARS 44 -- 82; ARS 44 -- 82.
Publisher: Agricultural Research Service, U.S. Department of Agriculture
Published: 1960
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 111
Subjects: Lactation; Statistics; States; Milk yield; Dairy cattle
Other titles: Dairy Herd Improvement Association lactation averages, 1956-1957
Notes: Cover title.

"On the following pages are tabulations of DHIA 305-day lactation records with 1956 and 1957 calving dates, grouped by State, by breed, by month of calving. These tabulations include records received from the various States by the Dairy Cattle Research Branch, Animal Husbandry Research Division, as a part of the National Cooperative Dairy Herd Improvement Program"--Page 1.