Results 211 to 220 of about 2,597 (248)
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Basal Cell Carcinoma in a Blue-Fronted Amazon Parrot (Amazona aestiva)
Avian Diseases, 1997Tumors of the integumentary system are relatively common in companion birds. Dermal tumors in pet birds can be epithelial, mesenchymal, or vascular in origin. Basal cell carcinomas appear to be extremely rare in birds. An adult female blue-fronted Amazon parrot was examined because it exhibited bilateral cervical masses that extended from the base of ...
L A, Tell, L, Woods, K G, Mathews
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Applicability of optical coherence tomography in blue‐fronted parrots (Amazona aestiva)
Veterinary Ophthalmology, 2020AbstractObjectiveOptical coherence tomography (OCT) measurement of adult blue‐fronted parrots (Amazona aestiva), free from infectious, inflammatory or neoplastic systemic diseases and from any ophthalmological illness, aim at its characterization, as well as to standardize the examination technique for the species.ProcedurePupillary dilation was ...
Ricardo Augusto Pecora +5 more
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Journal of Avian Medicine and Surgery, 2000
Abstract In the face of increasing bacterial drug resistance because of β-lactamase production, many microbial infections can be treated effectively by combining clavulanic acid with amoxicillin. Judicious drug use that includes defining the optimum dosage is important to control development of resistance to this drug combination.
SUSAN E. OROSZ +4 more
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Abstract In the face of increasing bacterial drug resistance because of β-lactamase production, many microbial infections can be treated effectively by combining clavulanic acid with amoxicillin. Judicious drug use that includes defining the optimum dosage is important to control development of resistance to this drug combination.
SUSAN E. OROSZ +4 more
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Effect of Age on Seed Digestion in Parrots (Amazona aestiva)
Physiological and Biochemical Zoology, 2001The objective of this study was to compare the capacity of adult (more than 3 yr old) and young (less than 1 yr old) true parrots to digest seeds that are normally included in their diet in captivity, particularly soybean, sunflower, and corn. All the seeds were offered for 5 d with an interval of 15 d between different diets.
Vendramin-Gallo, M. +3 more
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Learning generalization in problem solving by a blue-fronted parrot (Amazona aestiva)
Animal Cognition, 2008Pepperberg (The Alex studies: cognitive and communicative abilities of gray parrots. Harvard University Press, Cambridge;1999) showed that some of the complex cognitive capabilities found in primates are also present in psittacine birds. Through the replication of an experiment performed with cotton-top tamarins (Saguinus oedipus oedipus) by Hauser et ...
Olívia, de Mendonça-Furtado +1 more
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Nachweis eines Herpesvirus bei Amazonen (Amazona aestiva und A. ochrocephala)
Zentralblatt für Veterinärmedizin Reihe B, 2010Zusammenfassung Aus Amazonen konnte ein Virus isoliert werden, das aufgrund seiner physikalisch-chemischen Eigenschaften sowie seiner Morphologie als aviares Herpesvirus angesprochen wurde. Im Kreuzneutralisationstest erwies sich das Virus als nicht verwandt mit dem Virus der Marekschen Krankheit sowie Puten-, Tauben-, Uhu-, Lake Victoria Cormorant-
E. F. Kaleta +3 more
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B‐mode ultrasonography biometry of the Amazon Parrot (Amazona aestiva) eye
Veterinary Ophthalmology, 2010AbstractPurpose Ultrasonographic evaluation of the eye is a relatively recent addition to routine ophthalmic diagnostics in small animal ophthalmology. Some parameters for ophthalmic biometry have been established. There are few studies in clinical avian ophthalmology that describe ultrasound images of eye in some nocturnal avian species and in other ...
Lehmkuhl, Ricardo C. +3 more
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Histochemical Characterisation of the Turquoise‐Fronted Parrot (Amazona aestiva) Digestive Tract
Anatomia, Histologia, EmbryologiaABSTRACTAmazona aestiva, a member of the Psittacidae family, belongs to the genus Amazona. These animals are endowed with adaptations in their digestive systems that allow a natural diet composed of seeds and fruits, with anatomical characteristics that facilitate the acquisition and use of nutrients from these food groups.
Sabrina de Moraes +9 more
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Mycobacterium tuberculosis infection in a blue-fronted amazon parrot (Amazona aestiva aestiva)
Veterinary Microbiology, 2007Martin Peters +5 more
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