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"Alejandro-Zayas, T.,"

 
 
 Cowart, J. R.; Collins, D. M.; Mignucci-Giannoni, A. A.; Alejandro-Zayas, T., Rivera-Guzman, A. L.; et al. (detail)
   
2020
Manual collection and semen characterization in a West Indian manatee (Trichechus manatus).
Frontiers in Veterinary Science 7: 810.
–Abstract, copied here from Sirenews No. 72, p. 52: "Limited information is available regarding male reproductive physiology in West Indian manatees (Trichechus manatus). Currently, no reports evaluating any seminal characteristics exists in this species. To fill an apparent gap in knowledge, ejaculate samples were collected and characterized from a single, adult West Indian manatee. Samples were analyzed for the following semen parameters: volume, agglutination, pH, osmolality, viscosity, concentration, total sperm number, motility and kinematic parameters, morphology, plasma membrane integrity, acrosome integrity, chromatin maturation, and chromatin condensation. These results are the first of their kind for this species and suggest high semen quality, based on multiple ejaculates, in this male West Indian manatee."
Daryl P. Domning, Research Associate, Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, Washington, D.C. 20560, and Laboratory of Evolutionary Biology, Department of Anatomy, College of Medicine, Howard University, Washington, D.C. 20059.
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