Heifer feeding and management affect efficiency
نویسندگان
چکیده
منابع مشابه
Dairy Heifer Development and Nutrition Management.
Heifer development depends on nutritional management decisions throughout all growing phases. Optimizing costs to raise heifers improves profitability of dairy farms. Feed costs for heifers make up 50% of heifer costs. Required growth rates depend on the desired age at first calving and estimated mature body weight. Intensive milk feeding improves calf growth and subsequent milk production. Pre...
متن کاملEarly Heifer Development and Colostrum Management
Virginia Cooperative Extension programs and employment are open to all, regardless of race, color, national origin, sex, religion, age, disability, political beliefs, sexual orientation, or marital or family status. An equal opportunity/affirmative action employer. Issued in furtherance of Cooperative Extension work, Virginia Polytechnic Institute and State University, Virginia State University...
متن کاملManagement Considerations in Holstein Heifer Development
The purpose of the heifer herd is to provide replacements for cows leaving the herd and to improve genetic progress. First-lactation cows significantly contribute to herd production and profit. A recommended goal for dairy replacement heifers is to calve at 24 months of age with a targeted postcalving body weight of 1250 pounds. A common misconception is that this goal is either unattainable or...
متن کاملThe National Dairy Heifer Evaluation Project: a profile of heifer management practices in the United States.
The National Dairy Heifer Evaluation Project was a cooperative, USDA-sponsored project involving state agricultural departments, the Cooperative Extension Service, the National Agricultural Statistics Service, and the Animal and Plant Health Inspection Service. A series of retrospective and prospective descriptive surveys using a multiple list and area frame sampling technique were conducted. I...
متن کاملHow flavour and appearance affect human feeding.
The amount of food eaten during a meal is determined by both internal physiological events and factors in the environment such as the availability, cost and presentation of food as well as the time of day and the social situation (Pliner, 1978; Rodin, 1980). It is the purpose of this paper to consider the ways in which the different sensory aspects of food presentation such as flavour, appearan...
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ژورنال
عنوان ژورنال: Kansas Agricultural Experiment Station Research Reports
سال: 1991
ISSN: 2378-5977
DOI: 10.4148/2378-5977.2969