Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Javier Aznar"'
Autor:
Juan Antonio Raga, Jesús S. Hernández-Orts, Martín García-Varela, Juan T. Timi, Enrique Alberto Crespo, Francisco Javier Aznar
Publikováno v:
Parasitology. 139(7)
SUMMARYAcanthocephalans have evolved a hooked proboscis and some taxa have trunk spines to attach to their definitive hosts. These structures are generated before being used, thus a key question is how investment in attachment could optimally be allo
Autor:
Enrique Alberto Crespo, Santiago Pedro Ameghino, Francisco Javier Aznar, Juan Antonio Raga, María Soledad Leonardi, Damián G. Vales, B. Berón Vera
Publikováno v:
Parasitology. 136(3)
We analysed population dynamics of the louse Antarctophthirus microchir in pups of the South American sea lion, Otaria flavescens, at the Punta León rookery (Argentina) over a period of 2 years. A total of 136 pups were aged and marked at the beginn
Autor:
Francisco Javier Aznar, Aneta Kostadinova, D. T. J. Littlewood, C. Agustí, J. A. Raga, Peter D. Olson
Publikováno v:
Parasitology. 130(Pt 4)
Two types of tetraphyllidean merocercoids, Phyllobothrium delphini and Monorygma grimaldii, are well known from most cetaceans world-wide. The role of cetaceans in the life-cycle of these merocercoids is unclear because their specific identity is as