1 Outdoor air pollution can cause ongoing throat irritation. Indoor pollution â tobacco smoke or chemicals â also can cause a chronic sore throat. Chewing tobacco, drinking alcohol and eating spicy foods also can irritate your throat.  Muscle strain.
Biosecurity is key to productive aquaculture systems. Biosecurity encompasses all measures designed to prevent diseases from occurring and from spreading by isolating, as much as possible, animal farm populations from external contamination. Recurring or prolonged contact with external environments (water, sediment, wildlife) favors the development of new diseases.
biosecurity for poultry flocks Joan S. Jeffrey Extension Poultry Veterinarian University of California, Veterinary Medicine Teaching and Research Center, 18830 Road 112, Tulare, CA 93274; Telephone (209) 688-1731 Extension 228, FAX (209) 686-4231, E-Mail: jjeffrey@vmtrc.ucdavis.edu. Biosecurity is a practice designed to prevent the spread of disease onto your farm. It is accomplished by maintaining the facility in such a way that there is minimal traffic of biological organisms (viruses, bacteria, rodents, etc.) across its borders.