En la última década los bambúes han tenido más importancia en México, han pasado de una utilización tradicional, a productos innovadores. Para el caso de Hidalgo, de manera natural existe la presencia del “zaníka”, “carricillo” o “cañuela” (Rhipidocladum racemiflorum), mismo que habita en la Sierra Otomí-Tepehua. De este bambú no se tenían registros para el estado, no obstante, las personas de esta región lo han utilizado históricamente para la elaboración de herramientas y objetos de uso cotidiano que persisten hasta la actualidad. Sin embargo, debido a que este bambú es extraído de su ambiente natural, es importante considerar acciones en un futuro cercano para su propagación y conservación, evitando así su posible desaparición.
In Mexico, 99 tick species have been registered and 26 species of Amblyomma genus are known; the Hidalgo state does not have updated catalogs of Amblyomma spp. Between October 2019 and March 2020, were samples of ticks done in the Otomi-Tepehua Region directly from cattle, horses, dogs, cats, humans, leaf litter, weeds, resting places of animals and animal corpses. In the municipalities of Huehuetla, Tenango de Doria and San Bartolo Tutotepec were gathered 735 samples from warm weather rangelands; 494 of the no engorged ticks were randomly selected and taxonomically recognized as A. mixtum Koch, 1844 (Acari: Ixodidae). The ticks were caught from domestic hosts (n = 177), horses (n = 172), animals resting places (n = 51), humans (n = 34), animal corpses (n = 31) and cattle (n = 29). The locality that yielded the highest number of ectoparasites was Río Blanco (16.5%), followed by San Antonio (12.7%), El Canjoy (11.1%), San Isidro (9.5%) and La Esperanza Uno (8.9%); the highest infestation rates found were in horses (34.8%) and canines (32.9%), with all other host types under 10%. 13 ixodides A. mixtum were identified from humans that presented a clinical profile of fever (≥ 102.2 °F), severe muscle pain, lethargy, headache, papules and scoriations at the point of the tick bite. The tick A. mixtum is present in peridomestic environments of the Otomi Tepehua Region, where animal horses and canines serve as the principal disseminators from the rangelands to the rural housing.
El estudio denominado El estado de la seguridad alimentaria y la nutrición en el mundo: Protegerse frente a la desaceleración es una producción de la Organización de las Naciones Unidad para la Alimentación y la Agricultura del año 2019, la cual presenta una brillante exposición sobre las condiciones que guarda la alimentación en el mundo. En el libro se muestra la estructura capitular que permite observar su conformación general. A lo largo de este texto se desarrollan las temáticas más relevantes.
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