Feline immunodeficiency virus and feline leukemia virus: frequency and associated factors in cats in northeastern Brazil. 2017

L C Lacerda, and A N Silva, and J S Freitas, and R D S Cruz, and R A Said, and A D Munhoz
Departamento de Ciências Agrárias e Ambientais, Universidade Estadual de Santa Cruz, Ilhéus, BA, Brasil.

Our aims were to determine the frequencies of feline immunodeficiency virus (FIV) and feline leukemia virus (FeLV) in owned and stray cats in the northeastern region of Brazil, ascertain the status of FeLV infection, and investigate potential associated factors among the owned cats. Blood samples from 200 asymptomatic owned cats and 30 stray cats were processed using nested PCR and commercial immunochromatographic tests to diagnose infections. To evaluate the factors associated with FIV and/or FeLV in owned cats, a semi-structured interview was conducted with each owner about the animal's environment, and these data were subjected to unconditional logistic regression. The frequencies for owned cats were 6% (12/200) and 3% (6/200) for FIV and FeLV, respectively. No owned cat was positive for both viruses. Stray cats showed frequencies of 6.66% (2/30) and 0% (0/30) for FIV and FeLV, respectively. Contact with other cats and living in peri-urban areas were considered to be risk factors (P < 0.05) for FIV. We did not identify any factors associated with infections with FeLV. Our results confirm the presence of these two retroviruses in the region under study. Our use of different diagnostic techniques allowed us to determine the frequency of retroviruses in the feline population more accurately, particularly with regard to infections by FeLV, which have complex pathogenesis.

UI MeSH Term Description Entries
D008297 Male Males
D001938 Brazil A country located on the eastern coast of South America, located between Colombia and Peru, that borders the Atlantic Ocean. It is bordered on the north by Venezuela, Guyana, Suriname, and French Guiana, on the south by Uruguay, and on the west by Argentina. The capital is Brasilia.
D002415 Cats The domestic cat, Felis catus, of the carnivore family FELIDAE, comprising over 30 different breeds. The domestic cat is descended primarily from the wild cat of Africa and extreme southwestern Asia. Though probably present in towns in Palestine as long ago as 7000 years, actual domestication occurred in Egypt about 4000 years ago. (From Walker's Mammals of the World, 6th ed, p801) Felis catus,Felis domesticus,Domestic Cats,Felis domestica,Felis sylvestris catus,Cat,Cat, Domestic,Cats, Domestic,Domestic Cat
D005256 Leukemia Virus, Feline A species of GAMMARETROVIRUS causing leukemia, lymphosarcoma, immune deficiency, or other degenerative diseases in cats. Several cellular oncogenes confer on FeLV the ability to induce sarcomas (see also SARCOMA VIRUSES, FELINE). Cat Leukemia Virus,FeLV,Feline Lymphoma Virus,Feline Leukemia Virus,Cat Leukemia Viruses,Feline Leukemia Viruses,Feline Lymphoma Viruses,Leukemia Virus, Cat,Leukemia Viruses, Cat,Leukemia Viruses, Feline,Lymphoma Virus, Feline,Lymphoma Viruses, Feline
D005260 Female Females
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D016089 Immunodeficiency Virus, Feline A species of LENTIVIRUS, subgenus feline lentiviruses (LENTIVIRUSES, FELINE) isolated from cats with a chronic wasting syndrome, presumed to be immune deficiency. There are 3 strains: Petaluma (FIP-P), Oma (FIP-O) and Puma lentivirus (PLV). There is no antigenic relationship between FIV and HIV, nor does FIV grow in human T-cells. FIV,FTLV,Feline Immunodeficiency Virus,Feline T-Lymphotropic Lentivirus,Lentivirus, Puma,Puma lentivirus,Feline T-Lymphotropic Virus,Feline Immunodeficiency Viruses,Feline T Lymphotropic Lentivirus,Feline T Lymphotropic Virus,Lentivirus, Feline T-Lymphotropic,T-Lymphotropic Lentivirus, Feline,T-Lymphotropic Virus, Feline
D016181 Feline Acquired Immunodeficiency Syndrome Acquired defect of cellular immunity that occurs in cats infected with feline immunodeficiency virus (FIV) and in some cats infected with feline leukemia virus (FeLV). AIDS, Feline,FAIDS,Feline AIDS,Feline Acquired Immune Deficiency Syndrome,Feline Acquired Immuno-Deficiency Syndrome,Feline Acquired Immuno Deficiency Syndrome
D016582 Leukemia, Feline A neoplastic disease of cats frequently associated with feline leukemia virus infection. Feline Leukemia,Feline Leukemias,Leukemias, Feline
D057805 Pets Animals kept by humans for companionship and enjoyment, as opposed to DOMESTIC ANIMALS such as livestock or farm animals, which are kept for economic reasons. Companion Animals,Companion Cats,Companion Dogs,Animal, Companion,Animals, Companion,Cat, Companion,Cats, Companion,Companion Animal,Companion Cat,Companion Dog,Dog, Companion,Dogs, Companion,Pet

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