| description of a new species of maritrema (digenea:microphallidae) from mar chiquita coastal lagoon (buenos aires, argentina) with notes on its life cycle. | adults of maritrema bonaerensis n. sp. (digenea:microphallidae) were collected from the intestine of the gulls larus maculipennis and larus atlanticus from mar chiquita coastal lagoon, buenos aires province, argentina. the new species differs from m. pulcherrima travassos, 1928 in having smaller sucker ratio, longer intestinal ceca, ovary not lobed, and larger eggs, and from maritrema prosthometra deblock and heard, 1969 it differs in having larger suckers, smaller vitelline follicles, and in th ... | 1997 | 9267416 |
| a survey for avian influenza from gulls on the coasts of the district of pinamar and the lagoon salada grande, general madariaga, argentina. | in the present study, fecal samples obtained from kelp gulls (larus dominicanus), brown-hooded gulls (larus maculipennis), and olrog's gulls (larus atlanticus) on the coast of the district of pinamar, and grey-hooded gulls (larus cirrocephalus) on the coast of the lagoon salada grande and surrounding wetlands, general madariaga, buenos aires province, argentina, were tested for evidence of avian influenza virus over a period of 3 yr. this surveillance in free-living wild birds in the buenos aire ... | 2012 | 23402129 |