Bossart, Gregory D.: SEE ALSO Converse et al., 1994; Duignan et al., 1995; Falcón et al., 2003; Miller et al., 2001; Odell et al., 1995; Upton et al., 1989; Walsh & Bossart, 1999; Walsh et al., 1987.
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Upton, Steve J.; Odell, Daniel Keith; Bossart, Gregory D.; Walsh, Michael T.
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1989 |
Description of the oocysts of two new species of Eimeria (Apicomplexa: Eimeriidae) from the Florida manatee, Trichechus manatus (Sirenia: Trichechidae).
Jour. Protozool.
36(1): 87-90. 1 tab. 8 figs.
–Describes Eimeria manatus and E. nodulosa, n.spp., from the feces of 9 out of 16 T. m. latirostris examined, and compares them with E. trichechi. The infected manatees included both wild and captive-born specimens, and ones from both coasts of Florida.
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Bossart, Gregory D.; Dierauf, Leslie A.
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1990 |
Marine mammal clinical laboratory medicine. In: L. A. Dierauf (ed.), CRC handbook of marine mammal medicine: health, disease, rehabilitation.
Boca Raton (Florida), CRC Press, Inc. (735 pp.):
1-52. 10 tabs. 31 figs.
–Discusses techniques of blood sampling (3), hematology (5, 7, 40-41, 43-44), and urine and fecal collection (43, 46) relevant to T. manatus.
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Duignan, Pádraig J.; House, Carol; Walsh, Michael T.; Campbell, Terry; Bossart, Gregory D.; Duffy, Noel; Fernandes, Peter J.; Rima, Bert K.; Wright, Scott D.; Geraci, Joseph R.
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1995 |
Morbillivirus infection in manatees.
Mar. Mamm. Sci.
11(4): 441-451. 1 tab. 1 fig. Oct. 26, 1995.
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Odell, Daniel Keith; Bossart, Gregory D.; Lowe, Mark T.; Hopkins, Thomas D.
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1995 |
Reproduction of the West Indian manatee in captivity. [Abstr.] In: T. J. O'Shea, B. B. Ackerman, & H. F. Percival (eds.), Population biology of the Florida manatee (q.v.).
Information & Technology Rept.
(U.S. Dept. Interior, Natl. Biological Service) (vi + 289)
1: 192-193. Aug. 1995.
–An earlier version of this abstr. appeared in O'Shea et al. (1992: 17-18). Notes that length of gestation is still imprecisely known (12-14 months); that females probably mate throughout pregnancy; that spermatogenic activity is low and births rare during December-February; that females who lost calves became pregnant again in a minimum of 2 months; and that birth intervals ranged from 14 to 103 months.
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Bossart, Gregory D.; Baden, Daniel G.; Ewing, Ruth Y.; Roberts, Brenda; Wright, Scott D.
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1998 |
Brevetoxicosis in manatees (Trichechus manatus latirostris) from the 1996 epizootic: gross, histologic, and immunohistochemical features.
Toxicologic Pathology
26(2): 276-282. 2 figs. Mar.-Apr. 1998.
–Concludes that brevetoxicosis from exposure to red tide "was a component of and likely played a central role in the 1996 manatee epizootic." Such deaths can result from neurointoxication and/or hemopathy caused by chronic ingestion and/or inhalation of red tide toxins. Unlike the 1982 epizootic, ingestion of ascidians was not a prominent finding in the 1996 necropsies, wherein upper respiratory tract lesions were "the only severe and consistent inflammatory lesions seen".
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Bossart, Gregory D.
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1999 |
The Florida manatee: on the verge of extinction?
Jour. Amer. Veter. Med. Assoc.
214(8): 1178-1183. 1 tab. Apr. 15, 1999.
–Detailed gen. acc. of the biology of manatees, threats to their survival in Florida, and medical and other efforts being made on their behalf.
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Walsh, Michael T.; Bossart, Gregory D.
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1999 |
Manatee medicine. In: M. E. Fowler & R. E. Miller (eds.), Zoo and wild animal medicine: current therapy. 4th Ed.
Philadelphia, W. B. Saunders Co. (xxiii + 747 pp.):
507-516. Illus.
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Bossart, Gregory D.
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2001 |
Manatees. In: L. A. Dierauf & F. M. D. Gulland (eds.), CRC handbook of marine mammal medicine. Ed. 2.
Boca Raton, etc., CRC Press (lvii + 1063):
939-960. 10 figs.
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Falcón-Matos, Limarie; Mignucci-Giannoni, Antonio A.; Toyos-Gonzáles, Gian M.; Bossart, Gregory D.; Meisner, René A.; Varela, René A.
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2003 |
Evidence of a shark attack on a West Indian manatee (Trichechus manatus) in Puerto Rico.
Jour. Neotropical Mammalogy (Mastozoologia Neotropical)
10(1): 6-11. 1 fig. Jan.-June 2003.
–Spanish summ. Reports healed scars from a bite of a large shark (probably a tiger shark, Galeocerdo cuvier) on an adult female manatee that died of intestinal impaction and respiratory distress of uncertain relation to the shark bite. This is the first confirmed report of an ante-mortem shark attack on a manatee.
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Flewelling, Leanne J.; Naar, Jerome P.; Abbott, Jay P.; Baden, Daniel G.; Barros, Nélio B.; Bossart, Gregory D.; Bottein, Marie-Yasmine D.; Hammond, Daniel G.; Haubold, Elsa M.; Heil, Cynthia A.; Henry, Michael S.; Jacocks, Henry M.; Leighfield, Tod A.; Pierce, Richard H.; Pitchford, Thomas D.; Rommel, Sentiel A.; Scott, Paula S.; Steidinger, Karen A.; Truby, Earnest W.; Van Dolah, Frances M.; Landsberg, Jan H.
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2005 |
Red tides and marine mammal mortalities.
Nature
435(7043): 755-756. 2 figs.
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Bossart, Gregory D.; Mignucci-Giannoni, Antonio A.; Rivera-Guzman, Antonio L.; Jimenez-Marrero, Nilda M.; Camus, Alvin C.; Bonde, Robert K.; Dubey, Jitender P.; Reif, John S.
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2012 |
Disseminated toxoplasmosis in Antillean manatees (Trichechus manatus manatus) from Puerto Rico.
Diseases of Aquatic Organisms
101: 139-144. 3 figs. doi: 10.3354/dao02526 Nov. 8, 2012.
–Available at: http://www.int-res.com/abstracts/dao/v101/n2/p139-144/
ABSTRACT: Necropsies were conducted on 4 Antillean manatees Trichechus manatus manatus that were stranded in single events on the coastal beaches of Puerto Rico from August 2010 to August 2011. Three manatees were emaciated and the gastrointestinal tracts were devoid of digesta. Microscopically, all manatees had severe widespread inflammatory lesions of the gastro-intestinal tract and heart with intralesional tachyzoites consistent with Toxoplasma gondii identified by histological, ultrastructural and immunohistochemical techniques. The gastrointestinal lesions included severe, multifocal to diffuse, chronic-active enteritis, colitis and/or gastritis often with associated ulceration, necrosis and hemorrhage. Enteric leiomyositis was severe and locally extensive in all cases and associated with the most frequently observed intralesional protozoans. Moderate to severe, multifocal, chronic to chronic-active, necrotizing myocarditis was also present in all cases. Additionally, less consistent inflammatory lesions occurred in the liver, lung and a mesenteric lymph node and were associated with fewer tachyzoites. Sera (n = 30) collected from free-ranging and captive Puerto Rican manatees and a rehabilitated/released Puerto Rican manatee from 2003 to 2012 were tested for antibodies for T. gondii. A positive T. gondii antibody titer was found in 2004 in 1 (3%) of the free-ranging cases tested. Disease caused by T. gondii is rare in manatees. This is the first report of toxoplasmosis in Antillean manatees from Puerto Rico. Additionally, these are the first reported cases of disseminated toxoplasmosis in any sirenian. The documentation of 4 cases of toxoplasmosis within one year and the extremely low seroprevalence to T. gondii suggest that toxoplasmosis may be an emerging disease in Antillean manatees from Puerto Rico.
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Bibliography and Index of the Sirenia and Desmostylia 