The Ohio State University

OARDC

Department of Dairy Science

Ohio Agricultural Research and Development Center

Wooster, Ohio

Intensive Grazing/Seasonal Dairying: The Mahoning County Dairy Program

1987-1991

OARDC Research Bulletin 1190

April 1994

Author

Contents

• Preface
• Chapter 1
  Program Description
• Chapter 2
  Intensive Grazing
• Chapter 3
  Heifer Rearing
• Chapter 4
  Herd Health
• Chapter 5
  Mastitis Control
• Chapter 6
  Reproduction
• Chapter 7
  Milk Production Patterns
  Table 7.1. Parity distribution of lactating animals during the trial.
  Table 7.2. Millk production and milk composition by cows during the trial.
• Chapter 8
  Agronomic Summary
• Chapter 9
  Nutritional Program and Forage Features
• Chapter 10
  Economic Patterns and Labor Utilization
  Table 10.2. Yearly income statements.
  Table 10.4. Per-cow and replacement dairy returns and costs budget.
  Table 10.5. Per-acre intensive grazing results.
• Chapter 11
  Soil Pesticides
  Figure 11.1. An aerial view of the research site showing the pasture paddocks and the area that had previously been used as orchards. Numbers indicate the locations of soil sampling for residue determinations and/or intensive study.
  Chapter 11: Soil Pesticides, continued
• Chapter 12
  Summary
• References

Editorial Board

Kurt R. Knebusch, Chair
Michael A. Ellis
Warren F. Lee
Patrick C. McKenry
Lynn B. Willett
Allan L. Barta
Daral J. Jackwood
James R. McClenahen
Diane D. Miller
Karl E. Nestor, Jr.
Robert A. Agunga
Burk A. Dehority
Lowell R. Nault
Randall K. Wood

The Project Team

D. L. Zartman, Principal Investigator
Department of Dairy Science

S. R. Shoemaker, Project Manager
Private Contractor

B. L. Brockett
0hio State University Extension

H. R. Conrad
Department of Dairy Science

M. L. Eastridge
Department of Dairy Science

K. H. Hoblet
Department of Veterinary Preventive Medicine

J. S. Hogan
Department of Dairy Science

D. P. Miller
0hio State University Extension
Department of Agricultural Economics and Rural Sociology

D. L. Palmquist
Department of Dairy Science

G. D. Schnitkey
Department of Agricultural Economics and Rural Sociology

W. L. Shockey
Formerly ARS/USDA, presently Purina Mills, Inc., Milford, IN

D. E. Shoemaker
0hio State University Extension

K. L. Smith
Department of Dairy Science

R. W. VanKeuren
Department of Agronomy

W. P. Weiss
Department of Dairy Science

L. B. Willett
Department of Dairy Science

Salaries and research support provided by State and Federal Funds appropriated to the Ohio Agricultural Research and Development Center, The Ohio State University. Bulletin No. 170-93. Supporting regional project NC-119.