Domestic cats blood types frequency from Pará state, Brazil

  • Paula Barbosa Silva Universidade Federal do Pará
  • Maria Vivina Barros Monteiro Universidade Federal do Pará
  • René Ribeiro Silva Ministério da Agricultura Pecuária e Abastecimento - MAPA
  • Mírian Rocha Albuquerque Universidade Federal do Pará
  • Ana Carolina Andrade Pereira Universidade Federal do Pará
  • Arianne Silva Carreira Universidade Federal do Pará
  • Frederico Ozanan Barros Monteiro Universidade Federal Rural da Amazônia - UFRA Instituto da Saúde e Produção Animal - ISPA


In domestic cats, blood group AB consists of three blood types A, B and AB. A preliminary identification by typing technique is essential to minimize the occurrence of transfusion reactions and neonatal isoerythrolysis. Therefore, the aim of this study was to determine the frequency of blood types and estimate the probability of random transfusion reactions in domestic cats from Pará state, Brazil. Two-hundred thirty five animals were examined in Belém and Castanhal municipalities. Blood samples were collected by puncture of the cephalic or jugular vein, stored in EDTA tubes and refrigerated until analysis. The hemagglutination and reverse typing techniques were used to confirm the blood types of cats. Type A is the most frequently detected (98.3%), followed by type AB (1.28%) and B (0.42%). Likelihood of adverse reactions in random transfusion was 2.09%, with 1.67% mild to moderate and 0.42% potentially fatal. The results showed a higher frequency of A blood type and that the frequency of AB type was higher than B type. In conclusion, to know the frequency of the blood types according to geographic region minimizes the risk of transfusion reactions.


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