Socioeconomic
Data and Applications Center
Environmental Effects of Ozone Depletion 1998 Assessment |
SCC associated with ambient solar exposure has been reported in cattle, horses, cats, sheep, goats and dogs (Hargis, 1981; Mendez et al., 1997;Teifke and Lohr, 1996) These tumors occur principally in poorly pigmented skin unprotected by hair, and thus are frequently found on eyelids, nose, ears, tails, and the mucocutaneous junctions of the eyes and anogenital regions (Teifke and Lohr, 1996). The incidence of these tumors is generally very low, although occasionally herds of susceptible cattle or sheep can demonstrate incidences as high as 20 per cent (Mendez et al., 1997).
Other effects in domestic animals that
may increase under ozone depletion include exacerbation of infectious bovine
keratoconjuntivitis in cattle (Kopecky et al., 1980), and skin lesions
and cataract in farm-raised fish (Mayer 1992), both of which have been
associated with significant economic losses. Concerns have also been raised
with regard to cataract and eye infections in sheep herds raised under
the ozone hole in Chile; however, an investigation into this issue found
no evidence to support such a concern (Schein et al., 1995)
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