نتایج جستجو برای: congo african grey parrot

تعداد نتایج: 130453  

Journal: :Ruhuna Journal of Science 2022

This study is focused on people’s perceptions and attitudes the population decline of African Grey Parrots (Psittacus erithacus) in Osun state, Nigeria. Data was collected through a structured questionnaire. The area comprises 234 farmers from communities area. were analyzed using descriptive statistics, T-test, Pearson Correlation, Chi-square test. results revealed that 78% respondents male, w...

Journal: :Veterinarni Medicina 2021

The African Grey parrot (Psittacus erithacus) is one of the most popular avian pets in exotic animal practice. In this study, blood samples (n = 459) from healthy parrots 239) were collected for haematological testing. Reference intervals determined according to guidelines American Society Veterinary Clinical Pathology with Value Advisor (v2.1) freeware. calculated reference (RIs) were: packed ...

2017
Willem G. Coetzer Colleen T. Downs Mike R. Perrin Sandi Willows-Munro

BACKGROUND Illegal trade in rare wildlife species is a major threat to many parrot species around the world. Wildlife forensics plays an important role in the preservation of endangered or threatened wildlife species. Identification of illegally harvested or traded animals through DNA techniques is one of the many methods used during forensic investigations. Natural populations of the South Afr...

Journal: :Brain and language 2010
Irene M Pepperberg

This chapter briefly reviews what is known-and what remains to be understood-about Grey parrot vocal learning. I review Greys' physical capacities-issues of auditory perception and production-then discuss how these capacities are used in vocal learning and can be recruited for referential communication with humans. I discuss cross-species comparisons where applicable and conclude with a descrip...

Journal: :veterinary research forum 2012
mahdi dilmaghani malahat ahmadi taghi zahraei-salehi alireza talebi

salmonella enterica serovar typhimurium and s.enterica serovar enteritidis are the most frequently isolated serovars from food-borne diseases throughout the world. according to their antigenic profiles, salmonella shows different disease syndromes and host specificities. it is necessary and important to discriminate salmonella serovars from each other in order to ensure that each pathogen and i...

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