ABSTRACT.- Infection by gastrointestinal nematodes (GINs) in sheep is a significant health issue that affects animal welfare and leads to economic losses in the production sector. Genetic selection for parasite resistance has shown promise in improving animal health and productivity. This study aimed to determine if incorporating genomic data into genetic prediction models currently used in Uruguay could improve the accuracy of breeding value estimations for GIN resistance in the Australian Merino breed.

ABSTRACT.- The rice sector is facing the challenge of increasing rice yields while maintaining or improving input use efficiency. The purpose of this study was to determine the most effective vegetation indices for monitoring nitrogen uptake (N uptake) under different irrigation techniques. The study was conducted in Uruguay over two rice-growing seasons. A split plot experimental design featured two irrigation treatments (main plots): continuous flooding (C) and alternate wetting and drying (AWD).
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El déficit hídrico actual hace que el crecimiento del pasto (pasturas y cultivos) se vea reducido a cero. En muchos tambos, incluso ya se han agotado las reservas para suplir esta falta de pasto. El estrés calórico de verano complica aún más el bienestar y la producción de los animales. Frente a un verano seco, el principal objetivo es minimizar el impacto de la sequía y salir de ella protegiendo lo más posible la producción y el resultado económico del año.