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Now showing items 1451-1460 of 1496
Mejoramiento de la reproducción bovina: leche, carne y calidad seminal
(Tecnológico de Costa Rica, 2022-09-14)
La eficiencia reproductiva tiene un impacto importante en la rentabilidad de la industria ganadera. Un porcentaje significativo de insuficiencia reproductiva es atribuible a la subfertilidad del toro (Butler et al., 2020). ...
Compendio: 100 ejercicios con el peso corporal
(Universidad Nacional, Costa Rica, 2024)
Se compilaron ejercicios que fueron seleccionados con la opinión de expertos en el tema de
movimiento humano.
Infectious agents associated with diarrhoea of calves in the canton of Tilarán, Costa Rica
(Elsevier Science B.V, 1997-01)
A case-control study of calves under 3 months of age was carried out by weekly visits to 15 farms in the canton of Tilarán, Costa Rica. Most farms were dedicated to beef or dual-purpose (DP) production. Faecal samples were ...
Molecular, morphological and histopathological evidence of Spirometra mansoni in wild and domestic animals from Costa Rica
(Elsevier Science B.V, 2024-04-30)
Spirometra mansoni is a diphyllobothroid cestode and one of the causing agents of sparganosis, a zoonotic
foodborne and waterborne infection in humans. This parasite has an indirect life cycle with domestic and wild
canids ...
Optimizing agronomic practices for pineapple (Ananas comosus (L). Merr. ‘MD-2’ cultivar) production based on growth stages
(International Society for Horticultural Science, 2023)
Introduction – Descriptions of the developmental stages of crops are necessary for optimal scientific communication and technology transfer between researchers, technicians, and farmers. Although pineapple cultivation is ...
Brucella intracellular life: from invasion to intracellular replication
(Elsevier, 2002)
Brucella organisms are pathogens that ultimate goal is to propagate in their preferred niche, the cell. Upon cell contact the bacteria is internalized via receptor molecules by activating small GTPases of the Rho subfamily ...
Evaluation of two vaccines for the treatment of pythiosis insidiosi in horses
(Kluwer Academic Publishers, 1992)
Two vaccines to treat pythiosis insidiosi in horses were evaluated in 71 Costa Rican horses between
1982 to 1988. One vaccine used a cell-mass (CMV) as antigen and the other a soluble concentrated
antigen (SCAV). Both ...
Ten simple rules for aspiring scientists in a low-income country
(Public Library of Science, 2008-05-30)
Being a scientist entails a common set of characteristics. Admiring nature and having concern for social issues; possessing a strong academic background, team work abilities, honesty, discipline, skepticism, communication ...
Dermatobia, the neotropical warble fly
(Elsevier, 1988)
The neotropical warble fly, Dermatobia hominis (Fig. 1), has plagued neotropical America since preColombian times, and has become an economically important pest causing substantial losses to the meat, milk and leather ...
Adherencia a la prescripción del ejercicio en adultos: revisión Sombrilla de metaanálisis
(Universidad Nacional, Costa Rica, 2024)
El ejercicio físico es prevención y tratamiento de muchas enfermedades crónicas, además aporta
muchos beneficios como mantenimiento del peso corporal, mejora de la habilidad cognitiva,
disminuye la muerte prematura y ...