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G78-409 Cattle Grub Control In Nebraska (Revised November 1989), John B. Campbell

University of Nebraska-Lincoln Extension: Historical Materials

The control of cattle grubs is discussed here, as are possible insecticide reactions, warnings and restrictions.

Cattle grubs are the immature or larval stages of heel or warble flies. Losses from this insect begin with the fly stage in the insect's life history. As flies seek animals on which to deposit eggs, cattle become frightened and run. The running animal has its tail in the air, bent over the back. This behavior is termed "gadding."

Cattle fail to graze normally during the warble fly season because of gadding. They seek shade or stand in water to avoid the flies. The …

G78-395 Feeding Corn And Sorghum Silages To Beef Cattle, Paul Q. Guyer

University of Nebraska-Lincoln Extension: Historical Materials

Corn and sorghum silages are versatile feeds that can be supplemented so that they are satisfactory for part of most growing and finishing rations. Harvesting corn as silage and planting forage sorghums for silage have the advantage that they maximize beef production per acre compared to harvesting these crops by other methods and other cropping programs. Another important advantage is that harvesting, storage and feeding can be completely mechanized.

However, as the costs of machinery, fuel, and labor have increased, the cost of harvesting silage has increased more rapidly than harvesting as grain.

G78-389 Nutrient Requirements Of Breeding Beef Cattle, James A. Gosey, Paul Q. Guyer

University of Nebraska-Lincoln Extension: Historical Materials

The major nutrient requirements as listed in Tables 1a and b are modifications of similar tables published by the National Research Council, Nutrient Requirements of Beef Cattle, fifth edition. They have been (1) rearranged to emphasize "English" weights rather than metric; (2) modified so that daily nutrient requirements and the nutrient concentration recommendations are in closer agreement and (3) expanded to include estimated requirements for pregnant yearling heifers of heavier weight and 2 year old heifer nursing calves.