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Regional Themes
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Animal Manure & Waste Management
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Overview
Concerns exist about the leaching,
runoff, and discharge of nutrients and pathogens from livestock
effluent into groundwater and surface waters.
This problem is created by the expansion of many livestock and dairy production
operations that increase the number of animals while utilizing
the same land base, in order to stay economically competitive.
In Hawaii and the Pacific Island territories, the limited land area has
created special concerns
in the management and disposal of livestock effluent.
Intense rainfall
and tropical storms, along with the short path of pollutants to the receiving
waters, affect the water quality of the region. The contamination poses
a concern for the sensitive coastal and coral reef environments.
Throughout the region, adoption of the best animal waste management
practices can reduce the introduction of pollutants
from farms into the water supplies, helping to improve water quality.
Piggery effluent represents a significant source of nutrient runoff, fecal contamination, and/or zoonotic disease throughout the Pacific islands. Pacific islands in the Regional Water Program that are affected by piggeries include the Northern Marianas Islands, American Samoa, Micronesia, and Palau.
Objectives
- Groundwater and surface waters (including streams, estuaries, coastal, and coral reef environments) are better protected from contamination by animal wastes
- Producers have a greater knowledge of nutrient cycles, environmental concerns, and the potential for zoonotic disease
- Livestock production economics are improved by implementation of whole farm nutrient management strategies
- Livestock producers are considered good stewards of the environment
Hightlight
An Alternative Waste Management System to Swine Operations for Water Pollution Control Programs in the American Pacific
- Northern Marianas College, University of Hawaii, and University of Guam Extension cooperators conduct a series of workshops that introduce local pig farmers to two affordable and environmentally appropriate waste management systems for swine; the dry litter system, and the portable pen system.
Read More >
Projects
Demonstrating Best Management Practices on Piggeries in the Commonwealth of the Northern Mariana Islands
Award/Source: $10,000/
CSREES Southwest States & Pacific Islands Water Quality Program
Investigator(s): Lawerence Duponcheel, Northern Marianas College Extension, Carl Evensen, University of Hawaii,
evensen@hawaii.edu
Abstract: PDF
Land Application of Livestock Manure in Hawaii and the American Pacific
Award/Source: $390,000 (24 MOs)/
CSREES
Investigator(s): Carl I. Evensen, University of Hawaii, evensen@hawaii.edu
Abstract:
PDF
Leptospirosis and Compost Treatment
Award/Source:
Investigator(s): Mark Walker (mwalker@cabnr.unr.edu), University of Nevada, Reno; Lawerence Duponcheel (lawontinian@pticom.com), Northern Marianas College
Abstract: PDF
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