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Lactation Curve

Lactation Curve. Topic 3091 Basic Concepts Melinda Klockziem. Dairy Cow. Expected to calve one time each year Give milk for 305 days Dry for 2 months Rest and prepare for next lactation. Stages of Lactation. Early Lactation 14 – 100 days Achieve peak (60 days for Holstein)

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Lactation Curve

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  1. Lactation Curve Topic 3091 Basic Concepts Melinda Klockziem

  2. Dairy Cow • Expected to calve one time each year • Give milk for 305 days • Dry for 2 months • Rest and prepare for next lactation

  3. Stages of Lactation • Early Lactation • 14 – 100 days • Achieve peak (60 days for Holstein) • Milk yield increases more rapidly than dry matter intake

  4. Stages of Lactation • Mid- Lactation • 100 – 200 days • Goal is to maintain peak milk productions as long as possible.

  5. Stages of Lactation • Late Lactation • 200 days after calving and end when the cow dries off (day 305) • Cow gains weight to replenish body condition

  6. http://animsci.agrenv.mcgill.ca/servers/anbreed/involute/curve.htmhttp://animsci.agrenv.mcgill.ca/servers/anbreed/involute/curve.htm

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