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Mammalian carnivores are considered a key group in maintaining ecological health and can indicate potential ecological integrity in landscapes where they occur. Carnivores also hold high conservation value and their habitat requirements can guide management and conservation plans. The order Carnivora has 84 species from 8 families in the Neotropical region: Canidae; Felidae; Mephitidae; Mustelidae; Otariidae; Phocidae; Procyon...
Induction of maturation and spermiation in the male European eel: assessment of sperm quality throughout treatmentNARA Subscribed
Weekly injections of human chorionic gonadotropin (hCG; 1·5 IU g −1 W ) induced spermiation in 87–100% farmed male European eels Anguilla anguilla over a 10‐week period, producing 3 ml (100 g) −1 milt volume, at 1˙4×10 9 spermatozoa ml −1 sperm mobility peaked in ninth week of treatment with 97% of males with motile sperm. Gonadotropin‐treated males showed earlier but similar morphological changes to control males. Whereas hig...
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