Efeito de uma dose única de cafeína em porcas prenhes sobre o comportamento no parto, a composição do colostro, a vitalidade e o crescimento dos leitões

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DOI:

https://doi.org/10.5965/223811712422025387

Palavras-chave:

metilxantinas, vitalidade neonatal, dor no parto, mortalidade prédesmame

Resumo

A cafeína é um alcaloide que reduz a hipóxia perinatal ao atuar nos receptores de adenosina nos centros respiratórios, melhorando a capacidade respiratória e a viabilidade dos leitões. O objetivo deste estudo foi avaliar os efeitos da administração subcutânea de cafeína durante o final da gestação em porcas multíparas sobre o parto, os comportamentos de dor, a composição do colostro e o comportamento dos leitões durante a lactação. As porcas foram distribuídas aleatoriamente em dois grupos: controle (NaCl 0,9%) ou cafeína (0,5 g/porca/leitão previsto), com tratamentos administrados um dia antes do parto. Não foram observados efeitos significativos na duração do parto, nos leitões vivos ou natimortos ou no comportamento doloroso. Embora a cafeína não tenha afetado o peso ao nascer, os leitões do grupo da cafeína ganharam 0,92 kg a mais (p<0,001) durante o desmame, provavelmente devido às concentrações mais altas de proteína no colostro. Esses resultados sugerem que uma única dose baixa de cafeína no final da gestação pode melhorar a vitalidade neonatal, a qualidade do colostro e o ganho de peso sem afetar negativamente o processo de parto.

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Publicado

2025-09-16

Como Citar

CUELLO-PÉREZ, Omar; YÁÑEZ-PIZAÑA, Ariadna; MOLINA-JIMÉNEZ, Tania; VARELA-CASTILLO, Guerson; RODRÍGUEZ-LOZANO, Astrid; SÁNCHEZ-SALCEDO, José A. Efeito de uma dose única de cafeína em porcas prenhes sobre o comportamento no parto, a composição do colostro, a vitalidade e o crescimento dos leitões. Revista de Ciências Agroveterinárias, Lages, v. 24, n. 2, p. 387–397, 2025. DOI: 10.5965/223811712422025387. Disponível em: https://revistas.udesc.br/index.php/agroveterinaria/article/view/26630. Acesso em: 20 set. 2025.

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Seção

Artigo de Pesquisa - Ciência de Animais e Produtos Derivados