ABSTRACT SEVERAL factors are contributing to increasing pressures brought on livestock and poultry producers: (a) encroachment of urban areas on animal production enterprises, (b) larger and more intensive livestock production facilities, (c) adoption of a wider range of anaerobic storage and treatment processes for animal wastes, which may at times produce some undesirable odor and (d) public demand for a more pristine environment. These pressures often result from manure and feed management procedures and are directly related to odor, flies, dust and water pollution. Animal enterprises in this country operate, in general, without causing concern or complaints among neighbors. The agricultural community understands that some odor is always associated with livestock and poultry production and that certain seasons and/or necessary operations are often responsible for somewhat higher odor levels of short duration. Productivity, however, may be jeopardized and social ties strained when necessary and acceptable levels of odor production are exceeded or believed to be exceeded. Odor levels commonly experienced in animal production facilities, assuming adequate ventilation, are not considered harmful to animals or poultry or to operational personnel. Likewise, there is little or no physiological danger to stock or personnel from odors in the environment surrounding the confinement units. However, there are numerous reports of illness even mortality of personnel and stock in confinement production facilities and in waste storage units when unsafe practices were permitted. New odor control products and production techniques appear regularly. It is a challenge for the agricultural community and, more specifically, the animal industry, to determine how, when and where benefits are most likely to accrue, if at all. In truth, new products and procedures are most likely proven on the farm with the operator sharing the benefits or the bruises along with the developer. Production techniques to reduce or prevent odor production, or to minimize exposure to odors, have been more successful than the technology to control odor after its production.