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Dairy Management

Dairy Management. Chris Ellason. 4 groups of dairy cows. Far- off dry cows: Cows from time quit producing milk until 21 days before calving Close up dry cows: Within 21 days of calving Fresh Cows: Cows that recently calved Lactating Cows: Cows that are producing milk in the milking string.

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Dairy Management

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  1. Dairy Management Chris Ellason

  2. 4 groups of dairy cows • Far- off dry cows: Cows from time quit producing milk until 21 days before calving • Close up dry cows: Within 21 days of calving • Fresh Cows: Cows that recently calved • Lactating Cows: Cows that are producing milk in the milking string

  3. Calves • Aloud to get colostrum then removed • Bull calves fed for veal or castrated and fed for beef • Heifers are grown, bred, and milked for at least one lactation • Calves are put into individual pens and fed milk or milk replacer for 4-8 weeks • Given hay and grains to get them to start eating dry feeds

  4. Breeding • Most are bred by artificial Insemination • Sexed semen • Some embryo transfer • Very little natural service

  5. Ration • Far- off: 100% forage • Close up: 75% forage • Fresh: 65-75% forage • Lactating: 50-60% forage

  6. Problems • Dystocia: Problems calving • Milk Fever: Ca deficiency • Retained Placenta: Caused by genetics, dystocia, K overload, Vitamin E deficiency • Cows show to produce 5-8% less milk lifetime • Mastitis: Infection in the udder

  7. Terminology • SCC: Somatic Cell Count • Amount of cells that are in the milk • Max SCC: 750,000 SCC/ liter • Primiparous: Cow that has had only one calf • Multiparous: Cow that has had multiple calves • DIM: Days in milk

  8. Various Milking Parlors • Single side opening • Rotary tandem • Rotary herringbone • Double herringbone • Turnstyle • Polygon herringbone • Trigon

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