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Calving Cows on Cornstalks – Nutritional Considerations

Calving Cows on Cornstalks – Nutritional Considerations


Cornstalk residue utilization is a great way for producers to integrate crops and livestock. Maintaining cows on residue can be an economical choice, but additional feed costs will be necessary when lactation increases the energy demands of the cow.

Lactation begins while the cows are on low quality forage (50% total digestible nutrients or TDN) and supplying 2-2.5 lb of a 20% crude protein supplement will only provide the cow with about 13 lb of TDN per day. Once lactation occurs a 1200 lb cow will need about 15-16 lb of TDN. If enough residue still exits for the cows to consume 27-28 lb per day, then supplementing with approximately 5 lb (as is basis) of dried distillers grains could provide the needed 15 lb of TDN.

Using the residue field simply as a feeding area, a producer could feed approximately 28 lb of alfalfa hay (about 58% TDN, 18% CP) and 3 lb of corn on an as is basis and provide 15 lb of TDN as well.

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Categories: Nebraska, Crops, Corn, Hay & Forage, Alfalfa, Livestock, Beef Cattle

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