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Mostrando ítems 5679-5698 de 16471
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Efficacy of prepartum vaccination against neonatal calf diarrhea in Nelore dams as a prevention measure
(BioMed Central, 2022-08)Background: Neonatal calf diarrhea (NCD) is the leading cause of calf morbidity and mortality in beef cattle. Cow’s vaccination in last stage of pregnancy is one of the most important measures to mitigate the risk of NCD ... -
Efficacy of the spray-drying treatment to inactivate the bovine leukemia virus in bovine colostrum
(Elsevier, 2020-07)Previous studies have shown the presence of bovine leukemia virus (BLV) in colostrum and milk of naturally infected cows. The relationship between virus or provirus and specific antibodies in these secretions is particular ... -
Efficacy of winter–spring strategic control against Rhipicephalus (Boophilus) microplus infestations on cattle in an area with ecological conditions highly favourable for the tick in northeast Argentina
(Wiley, 2019-01)This work was performed to test the efficacy of winter–spring control strategies against Rhipicephalus (Boophilus) microplus (Ixodida: Ixodidae) infestations on cattle in the area ecologically most favourable for the ... -
Efficiency and stability in subtropical beef cattle grazing systems in the northwest of Argentina
(2015-02)The objective of this work was to evaluate the efficiency and stability of cow–calf, fattening and whole cycle beef cattle agro-ecosystems from the subtropical region of Argentina. For this purpose, an agro-ecosystem model ... -
Efficiency of Big Spring Number Eight (BSNE) and Modified Wilson and Cook (MWAC) samplers to collect PM10, PM2.5 and PM1
(Elsevier, 2016-06)The internal efficiency of Big Spring Number Eight (BSNE) and Modified Wilson and Cook (MWAC) samplers for trapping PM10, PM2.5 and PM1 were tested in a wind tunnel, at two wind speeds (3.0 and 6.8 m s 1) in the saltation ... -
Efficiency of cytogenetic methods in detecting a chromosome rearrangement induced by ionizing radiation in a cultivated chili pepper line (Capsicum baccatum var. pendulum – Solanaceae)
(2014)Purpose: To locate transient chromosome aberrations on a selected pepper cultivar and determine the tracing efficiency of different cytogenetic methods. Materials and methods: Seeds from Capsicum baccatum var. pendulum ... -
Efficient Agrobacterium tumefaciens-mediated transformation system of Diaporthe caulivora
(Elsevier, 2021-03-10)This is the first report describing the genetic transformation of Diaporthe caulivora, the soybean stem canker fungus. A simple and 100% efficient protocol of Agrobacterium tumefaciens-mediated transformation used mycelium ... -
Efficient CRISPR/Cas9 genome editing in alfalfa using a public germplasm
(Frontiers Media, 2021-07)Because its ability to acquire large amounts of nitrogen by symbiosis, tetraploid alfalfa is the main source of vegetable proteins in meat and milk production systems in temperate regions. Alfalfa cultivation also adds ... -
Efficient edition of the bovine PRNP prion gene in somatic cells and IVF embryos using the CRISPR/Cas9 system
(2016-11)The recently developed engineered nucleases, such as zinc-finger nucleases, transcription activator-like effector nucleases, and clustered regularly interspaced short palindromic repeat (CRISPR)/CRISPR-associated nuclease ... -
Efficient genomics-based ‘end-to-end’ selective tree breeding framework
(Springer Nature, 2024-01-03)Since their initiation in the 1950s, worldwide selective tree breeding programs followed the recurrent selection scheme of repeated cycles of selection, breeding (mating), and testing phases and essentially remained unchanged ... -
Efficient method for targeted gene disruption by homologous recombination in Mycobacterium avium subspecie paratuberculosis
(Elsevier, 2020-09)Targeted gene disruption by homologous recombination, has been widely used in mycobacterium species to understand the genetic basis of virulence and persistence in the host and to develop efficacious potential live vaccines. ... -
Efficient sampling of ground-dwelling arthropods using pitfall traps in arid steppes
(Sociedade Entomológica do Brasil, 2010-12)Pitfall trapping is probably the most frequently used method for sampling grounddwelling arthropods. While the capture of specimens in pitfall traps largely depends on the number of individuals in the sampled area, trap ... -
Eficacia de fungicidas multisitio en el control de viruela del maní (Nothopassalora personata)
(Asociación Argentina de Fitopatólogos, 2021-09-22)La viruela es la enfermedad foliar más importante del cultivo de maní en Argentina. Considerando que su manejo se realiza principalmente a través de múltiples aplicaciones de fungicidas, y las crecientes citas de resistencia ... -
Eficacia de haloxifop-r-metil con distintos coadyuvantes
(Facultad de Ciencias Agrarias, Universidad Nacional del Litoral, 2018)En Argentina se han confirmado trece biotipos de malezas resistentes a glifosato, ocho son gramíneas y para su control se recomiendan herbicidas como haloxifop-R-metil con el agregado de aceite mineral. En el mercado se ... -
Eficacia de insecticidas botánicos sobre Myzus persicae(Sulzer) y Aphis gossypii (Clover) (Hemiptera: Aphidiae) en el cultivo de pimiento (Capsicum annuum L.) bajo cubierta = Effectiveness of botanical pesticides on Myzus persicae(Sulzer) and Aphis gossypii (Clover) (Hemiptera: Aphididae) in greenhouse pepper crops (Capsicum annuum L.)
(Universidad Pedagógica y Tecnológica de Colombia, 2018-04)Una gran variedad de artrópodos plaga causan, a nivel mundial, perjuicios en cultivos hortícolas. Myzus persicae (Sulzer), Aphis gossypii (Glover) (Hemiptera: Aphididae) son las principales plagas de artrópodos que afectan ... -
Eficacia de la combinación de Abamectina-Derquantel y de la Moxidectina en cabras lecheras naturalmente parasitadas con nematodos gastrointestinales en el Valle de Lerma, Argentina
(Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, 2021-12-16)El impacto productivo de los nematodos gastrointestinales (NGI) sobre los de pequeños rumiantes es conocido a nivel mundial. Las infestaciones por NGI constituyen una limitante de alto impacto en la producción de rumiantes ... -
Eficacia de la cosecha mecánica en olivares de la provincia de San Juan
(Ediciones INTA, 2006-12)El crecimiento de la olivicultura en San Juan ha abierto la posibilidad, a productores y empresarios, de experimentar en el cultivo diferentes opciones tecnológicas, a la búsqueda de una mayor rentabilidad. Entre las ... -
Eficacia de polifenoles acidificados aditivados derivados de ácido galacturónico en aves infectados con Salmonella Gallinarum
(Colegio de Veterinarios de la Provincia de Buenos Aires, 2022-08)La tifosis aviar causada por Salmonella Gallinarum es una de las enfermedades más importantes de las aves de corral. En Argentina, esta enfermedad se considera como endémica. Se debe aplicar medidas de bioseguridad para ... -
Eficacia del control mecánico de malezas con mínima remoción en suelos vertisoles y molisoles
(Estación Experimental Agropecuaria Paraná, INTA, 2024)Los sistemas agrícolas actuales enfatizan en el uso de herbicidas para el control de las malezas. Esto favorece la aparición de malezas resistentes y la proliferación de malezas tolerantes y de difícil control, incrementando ... -
Eficacia del monepantel para el control de aislamientos de Haemonchus contortus y Trichostrongylus spp. con resistencia múltiple (ivermectina y febendazole) en caprinos
(Facultad de Ciencias Veterinarias de Esperanza, Universidad Nacional del Litoral, 2016)El monepantel es un nuevo antihelmíntico registrado en nuestro país exclusivamente para el control de los nematodes gastrointestinales de los ovinos y su uso ha sido direccionado mayormente hacia el control de parásitos ...