Publications by authors named "Glenn M Rogers"

Objective: To evaluate and update the previously quantified effects of management, marketing, and certified health programs on the sale price of beef calves sold through a livestock video auction service.

Design: Longitudinal study.

Sample: 41,657 lots representing 5,042,272 beef calves sold from 1995 through 2009.

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Objective: To quantify effects of certified health programs on the sale price of beef calves sold through a livestock videotape auction service.

Design: Longitudinal study.

Sample Population: 26,502 lots representing 3,205,192 beef calves sold through a livestock videotape auction service between 1995 and 2005.

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Recycled poultry bedding (RPB) is a protein and mineral supplement for cattle. Concerns regarding this product have arisen because of the perceived risk of transmitting potentially pathogenic organisms to cattle. This study's primary objective was to assess survival of Salmonella in RPB stacked to a recommended height (2.

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Objective: To determine whether beef herds could increase profitability by reducing production cost per 100 lb (hundredweight [CWTI; ie, 45.4 kg) of calf through implementation of advice from teams of veterinarians and county extension agents supported by university specialists.

Design: Longitudinal study.

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Unfortunate bovine fatalities occurring after ingestion of mold-damaged sweetpotatoes preclude the use of the culled tubers in livestock feed. In cattle, mold-damaged sweetpotatoes induce an acute respiratory distress syndrome resulting in asphyxiation. Because of this potential toxicity and the general abundance of culled sweetpotatoes, the detoxification efficacy of ensiling was explored since it is an easy and economically viable technique often applied to preserve livestock feed.

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If certain guidelines are followed when feeding sweetpotatoes to livestock it is possible to minimize health hazards. Careful herd management and the recognition of specific biomarkers such as excessive dental deterioration could aid in the early identification of feed problems. Where these tubers are produced locally in abundance there can be an economic and environmental incentive to divert waste sweetpotato by-products toward livestock feed.

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Despite the potential for gossypol toxicosis (particularly in pre-ruminants) and risk factors associated with impaired fertility in bulls, cottonseed products offer a safe alternative feed for cattle producers when fed at recommended levels. Beef producers seeking to lower production costs should consider using cotton byproducts in their feeding programs. If carefully incorporated, cotton byproduct feeds can reduce feed costs while maintaining or increasing the level of cattle performance.

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Since the 1950s, recycled poultry bedding has been used as an economical feedstuff for beef cattle. It has been extensively studied at several experiment stations around the world with regard to its safety and nutritional aspects. It will continue to be closely scrutinized as the public increases its awareness of agricultural issues.

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