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- Midwest Plan Service. MWPS-7. 2000. Dairy Freestall Housing and Equipment 7th Ed. Iowa State University, Ames.
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- Dairy @ Purdue
- National Biosecurity Resource Center For Animal Health Emergencies
- Moo Milk
- National Dairy Shrine
- World Dairy Expo
- Oklahoma State University Cattle Breeds
- American Dairy Science Association
- National Milk Producers Federation
- Understanding Dairy Markets
- Dairy Management Inc.
- Dairy Quality Assurance Center
- Hoards Dairyman
- Dairy Herd Management