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Ec89-263 Nebraska Breeding And Calving Record Book
Ec89-263 Nebraska Breeding And Calving Record Book
University of Nebraska-Lincoln Extension: Historical Materials
This Breeding-Calving Record Book will serve as a useful aid in keeping complete and accurate beef performance records. Performance records have long been recognized as a valuable tool in the selection of genetically superior cattle; in addition, performance records are now being used to eliminate much of the "guesswork" from herd management decisions.
G89-989 How To Interpret The New Animal Model For Dairy Sire Evaluation, Jeffrey F. Keown
G89-989 How To Interpret The New Animal Model For Dairy Sire Evaluation, Jeffrey F. Keown
University of Nebraska-Lincoln Extension: Historical Materials
In question and answer format this NebGuide addresses changes in genetic evaluations of both dairy cows and sores.
Why is the United States Department of Agriculture (USDA) changing the dairy sire and cow evaluation system?
The answer is simple. The Animal Model for genetic evaluations is more accurate than the old Modified Contemporary Comparison Method (M.C.C.). Previously the major limiting factors to implementing the Animal Model were computing costs and memory requirements. With the advent of new Super Computers, the computations are feasible on a national scale.
What is the Animal Model?
The Animal Model simultaneously evaluates cows and sires …
G89-942 Can You Afford To Use Bovine Somatrophin (Bovine Growth Hormone)?, Jeffrey F. Keown
G89-942 Can You Afford To Use Bovine Somatrophin (Bovine Growth Hormone)?, Jeffrey F. Keown
University of Nebraska-Lincoln Extension: Historical Materials
Factors to consider before using Bovine Somatrophin in your dairy herd are covered here.
Much has been written recently about the effect of administering Bovine Somatrophin (BST) to dairy animals. The expected increase in income that could be generated by the use of BST catches producers' attention.
Before any producer uses BST, however, there are a few questions that should be addressed. The most crucial is, "Can BST administration be cash flowed in my dairy operation?"
The answer to this question is dependent on three crucial areas--your current herd average, herd management situation, and the costs involved in the application …