The report details a literature review of the effects of atmospheric ammonia production on animal health and performance in livestock ships and feedlots and recommends the critical level of atmospheric ammonia for livestock being transported by sea be set at 25 ppm.

The report details a literature review of the effects of atmospheric ammonia production on animal health and performance in livestock ships and feedlots and recommends the critical level of atmospheric ammonia for livestock being transported by sea be set at 25 ppm. The report also identifies the need for on-board monitoring of ammonia levels and areas where further research is required.