Termografia na previsão da ovopostura na espécie nymphicus hollandicus
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2017
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A conservação de espécies de psitacídeos ameaçados de extinção é uma preocupação atual da comunidade científica. Tal tem levado à implementação de várias técnicas, como a inseminação artificial. Contudo, a falta de meios que permitam prever a ovopostura é um obstáculo à implementação desta técnica em algumas espécies.
Este trabalho pretende testar a utilidade da termografia como ferramenta de previsão da postura na espécie Nymphicus hollandicus, nome-comum caturra.
Recorreu-se a uma câmara termográfica (VT04, Fluke®) para medir a temperatura cloacal em 50 caturras reprodutoras. Foram feitas duas medições diárias sob contenção até à postura do primeiro ovo.
A temperatura média registada nos animais analisados foi de 36.63ºC (±0.037). No entanto, a temperatura registada antes da postura do primeiro ovo foi significativamente superior, atingindo uma média 38.37ºC (±0.080), (1,73ºC acima da média da temperatura registada nos animais).
Este estudo permitiu concluir que a termografia poderá ter utilidade como método de determinação da ovopostura na espécie Nymphicus hollandicus, o que poderá ser útil como método complementar da inseminação artificial nesta e noutras espécies. Contudo, será necessário comprovar a eficácia deste processo noutras espécies de psitacídeos.
The conservation of parrot species threatened with extinction is a current concern of the scientific community. This has led to the implementation of various techniques, such as artificial insemination. However, the lack of means to provide a method to predict the egg posture is an obstacle to the implementation of this technique, in species that only produce one egg. This work intends to test the usefulness of thermography as a forecasting tool to predict the posture in the species Nymphicus hollandicus (common name: cockatiel). A thermographic camera (VT04 from Fluke®) was used to measure the cloacal temperature in 50 breeding cockatiels. Two daily measurements were made under restraint, ending when the first egg was laid. The average temperature recorded in the animals examined was 36.63 ºc (± 0037). However, the temperature recorded before laying of the first egg was significantly higher, reaching an average 38.37 ºc (± 0080), (1.73 degrees above the average temperature recorded in the animals). This study made it possible to conclude that thermography can be useful as a method of determination of egg position in the species Nymphicus hollandicus. This may be useful as a complementary method for artificial insemination in cockatiels and other species. However, it will be necessary to prove the effectiveness of this process in other parrot species.
The conservation of parrot species threatened with extinction is a current concern of the scientific community. This has led to the implementation of various techniques, such as artificial insemination. However, the lack of means to provide a method to predict the egg posture is an obstacle to the implementation of this technique, in species that only produce one egg. This work intends to test the usefulness of thermography as a forecasting tool to predict the posture in the species Nymphicus hollandicus (common name: cockatiel). A thermographic camera (VT04 from Fluke®) was used to measure the cloacal temperature in 50 breeding cockatiels. Two daily measurements were made under restraint, ending when the first egg was laid. The average temperature recorded in the animals examined was 36.63 ºc (± 0037). However, the temperature recorded before laying of the first egg was significantly higher, reaching an average 38.37 ºc (± 0080), (1.73 degrees above the average temperature recorded in the animals). This study made it possible to conclude that thermography can be useful as a method of determination of egg position in the species Nymphicus hollandicus. This may be useful as a complementary method for artificial insemination in cockatiels and other species. However, it will be necessary to prove the effectiveness of this process in other parrot species.
Descrição
Orientação : Daniel
Moura Murta ; co-orientação : Rui Patrício
Palavras-chave
MESTRADO INTEGRADO EM MEDICINA VETERINÁRIA, MEDICINA VETERINÁRIA, VETERINÁRIA, CONSERVAÇÃO DAS ESPÉCIES, REPRODUÇÃO ANIMAL, TERMOGRAFIA, VETERINARY MEDICINE, SPECIES PRESERVATION, ANIMAL BREEDING, THERMOGRAPHY, PSITACÍDEOS, PARROTS