Results 61 to 70 of about 60,118 (255)

Droughts and human impact in the ancient Uaymil region of the Maya lowlands inferred from a 2800‐year sedimentary archive at Lake Kaná, Mexico

open access: yesBoreas, EarlyView.
The relationship between the climate and societal transformation in Maya lowlands has long been debated, particularly the role of drought in shaping the civilization trajectory during the Classic Period. A high‐resolution, multi‐proxy, geochemical record from Lake Kaná, located in the underexplored Uaymil region of the Yucatán Peninsula in Mexico ...
Haydar B. Martinez‐Dyrzo   +5 more
wiley   +1 more source

Biomechanical effects of equine training aids: A systematic review

open access: yesEquine Veterinary Education, EarlyView.
Summary Equine training aids, including auxiliary reins such as draw reins, Pessoa‐type systems and side reins, are widely used during lungeing and ridden exercise to improve posture, back engagement and movement quality. Despite their extensive practical application, the biomechanical effects of these devices remain poorly defined and are often ...
R. F. Siqueira, I. M. Figueiredo
wiley   +1 more source

Red Latina de Revistas de Zootecnia

open access: yesRevista de la Facultad de Medicina Veterinaria y de Zootecnia, 2008
Carulla Fornaguera Juan Evangelista
doaj   +2 more sources

Occurrence of multiple congenital anomalies in Potamotrygon amandae (Elasmobranchii, Potamotrygoninae) embryos, including the first report of bicephaly

open access: yesJournal of Fish Biology, EarlyView.
Abstract Reports of teratogenic embryos in elasmobranchs have been documented in multiple species, with proposed aetiologies including environmental disturbances, genetic mutations, predation, exposure to endocrine‐disrupting compounds and maternal stress.
Douglas de Castro Ribeiro   +2 more
wiley   +1 more source

RESEÑA HISTÓRICA DEL PROGRAMA MEDICINA VETERINARIA Y ZOOTECNIA UNIVERSIDAD DE LA AMAZONIA, FLORENCIA CAQUETÁ

open access: yesRevista de la Facultad de Ciencias Agropecuarias, 2019
El programa de Medicina Veterinaria y Zootecnia, ha evolucionado a la par con la Universidad de la Amazonía, sus orígenes se remontan a 1974, donde se comenzó a ofertar el programa de Tecnología Pecuaria en lo que en ese entonces se conocía como ...
Sandra Milena Londoño Páez
doaj  

Air exposure test in Colossoma macropomum juveniles maintained in water at suboptimal temperature: Physiological, metabolic and oxidative stress responses

open access: yesJournal of Fish Biology, EarlyView.
Abstract This study evaluated the physiological, metabolic and oxidative responses of Colossoma macropomum subjected to air exposure when maintained in water at suboptimal temperature (23°C). A total of 54 fish (81.33 ± 11.90 g) were distributed into nine tanks (6 fish per tank). For the air exposure test, 24 animals were exposed for 30 min and another
Gisele Cristina Favero   +8 more
wiley   +1 more source

Ejercicio de las profesiones de Medicina y Veterinaria, Medicina Veterinaria y Zootecnia y Zootecnia en Colombia

open access: yes, 2022
LEY 73 DE 1985  (Octubre 8)  Diario Oficial No. 37.186, del 11 de octubre de 1985 por la cual se dictan normas para el ejercicio de las profesiones de Medicina y Veterinaria, Medicina Veterinaria y Zootecnia y ...
Villegas Moreno, Álvaro
core  

¿QUÉ PIENSAN LOS ESTUDIANTES DE MEDICINA VETERINARIA Y DE ZOOTECNIA SOBRE DESARROLLO RURAL?

open access: yesRevista de la Facultad de Medicina Veterinaria y de Zootecnia, 2006
Las instituciones educativas y los miembros de ellas tienen una percepción particular sobre el desarrollo rural. Esta visión puede estar condicionada por vivencias personales pero también por la formación que se brinda. Este trabajo identiica el concepto
FA Pachón
doaj   +2 more sources

Cellular immune response of Amblyomma sculptum and Amblyomma americanum to entomopathogenic fungi: Implications for biological tick control

open access: yesMedical and Veterinary Entomology, EarlyView.
Amblyomma sculptum showed a plasmatocyte‐dominant haemocyte profile. Beauveria bassiana increased plasmatocytes and reduced granulocytes, whereas Metarhizium robertsii did not cause significant changes. Amblyomma americanum showed a granulocyte‐dominant haemocyte profile. Beauveria bassiana reduced total haemocytes and granulocytes. B.
Cárita de Souza Ribeiro‐Silva   +7 more
wiley   +1 more source

Vocalização como indicativo do bem-estar de suínos submetidos a situações de estresse

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2015
Objetivou-se com este trabalho estimar o bem-estar de suínos a partir de registros de sua vocalização, durante alojamento em granja comercial. Foram utilizados 150 suínos machos castrados, distribuídos aleatoriamente em cinco baias.
M. Moi   +6 more
doaj   +1 more source

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