Monday, November 5, 2007
40-4

Nutrient Management Profile of Mississippi Poultry Operations.

J.L. Oldham and C.D. Coufal. Mississippi State University Extension Service, Mail Stop 9555, Mississippi State, MS 39762

Poultry production in Mississippi provides approximately one billion dollars in farm gate income per year, largely through contract broiler production. Since the early 1990's, most poultry farms have required environmental operating permits, which include nutrient management plans. In 2005, the Mississippi Department of Environmental Quality began requiring continuing education credits in environmental issues for operations identified as large Concentrated Animal Feeding Operations. The educational focus area for calendar 2007 identified by a poultry stakeholder committee was nutrient management. Four three-hour sessions were conducted in the poultry-growing region in early 2007 for growers; the same three hours of instruction were planned via interactive video available to every Extension county office in late 2007. Curriculum topics included nutrient cycling, agricultural-environmental issues, basic soils, soil testing, and Best Management Practices. An on-site evaluation of the four early 2007 sessions found that, on a scale of 1 to 5, with 5 optimal, the average response was approximately 4.0 for timeliness, usefulness, presentation, and impact of the program. Attendees were also surveyed about litter and nutrient management practices. These Mississippi growers use only wood based litter. About 50% use litter treatment products, however the percentage varied from 23 to 80% among the four training locations, indicating differing litter management programs. About half the producers land applied their litter to pasture or hay fields, one third sold or otherwise passed operational control, and about 7% of producers land applied to row crops. About half the respondents had never obtained a nutrient analysis of their litter, and over half performed total clean out of houses only at intervals greater than two years. These results indicate challenges still exist regarding effective implementation of nutrient management, and that available litter may be less than previously estimated.