Aquaculture America 2023

February 23 - 26, 2023

New Orleans, Louisiana USA

BIRD PREDATION ON CATFISH FARMS: REGULATORY CONCERNS AND ECONOMIC IMPLICATIONS

Shraddha Hegde* and Ganesh Kumar

Department of Rangeland, Wildlife and Fisheries Management

Texas A&M University

College Station, TX 77840

shraddha@tamu.edu

 



The Migratory Bird Treaty Act (MBTA) protects several piscivorous birds that cause substantial economic losses on catfish farms. In a recent study, problems related to fish lost to migratory birds protected under MBTA was listed by producers as the regulation of greatest concern. The study showed that the cost of bird management emerged as the largest regulatory cost category on U.S. catfish farms. Costs incurred in managing predatory bird on catfish farms amounted to $17.4 million/year with most expenses occurring in manpower, trucks for bird running, and levee upkeep (Fig. 1). When combined, these incurred costs come as the fifth largest cost on catfish operations. Additionally, the impact from direct fish losses to bird predation was estimated at $27.4 million. Thus, bird regulations impact catfish farms by incurring substantial on-farm costs and negatively affecting farm revenues. Federal regulations surrounding the migratory bird species and the prescriptive nature of depredation permits are rendering bird management efforts more difficult on catfish farms. Effective bird management on catfish farms is possible with a combination of lethal and non-lethal activities. More frequent federal roost dispersal activities to avoid congregation of fish-eating birds near fish farms and further efforts to include catfish industry in compensation and relief programs for their losses is necessary to alleviate the burden on catfish farms.