Results 61 to 70 of about 762 (159)

Intoxicação experimental aguda por samambaia (Pteridium aquilinum) em bovinos Experimental acute poisoning by bracken fern (Pteridium aquilinum) in cattle

Pesquisa Veterinária Brasileira, 2009
Este experimento foi delineado para investigar os seguintes pontos em relação à intoxicação aguda por samambaia (Pteridium aquilinum) em bovinos: 1) a intensidade da trombocitopenia em diferentes momentos da intoxicação e sua relação com possíveis ...
Bruno L. Anjos, Luiz F. Irigoyen, José Vitor M. Piazer, Juliana S. Brum, Rafael A. Fighera, Claudio S.L. Barros   +5 more
doaj   +1 more source

Uncovering critical windows: Phenological monitoring of Pteridium aquilinum for early detection and management in the Drakensberg

Geomatica
This study examines the phenology and seasonal development of Pteridium aquilinum (bracken fern) in the Cathedral Peak area of the Drakensberg Mountains to identify critical timeframes for early detection and effective management.
Rinae Mukwevho, Samuel Adewale Adelabu, Adriaan Van Der Walt, Colbert Mutiso Jackson, Olufemi Sunday Durowoju   +4 more
doaj   +1 more source

Chronic poisoning by Pteridium spp. - case report [PDF]

Arquivo Brasileiro de Medicina Veterinária e Zootecnia
Pteridium spp. is one of the most common genera of toxic plants in the national territory, and its consumption results in acute consequences with high intake over a short period or chronic manifestations when ingestion occurs in small portions over a ...
C.S. Oliveira, G. Anteveli, M.V.G. Joaquim, B.S. Torres, L.N. Sousa, R.M. Meneses, T.F. Moreira, E.J. Facury Filho, A.Ú. Carvalho   +8 more
doaj   +1 more source

Ungovernable ferns and the horizons of conservation in late industrial ecologies

Journal of Political Ecology
How might overabundant ferns vitalize and pressure political ecologies of landscapes and wildlife conservation? This ethnographic article interrogates the relational worlds of humans, animals, and the fern species known as the 'bracken fern' (the ...
Pooja Nayak
doaj   +2 more sources

Inhibition of β-site amyloid precursor protein cleaving enzyme 1 and cholinesterases by pterosins via a specific structure−activity relationship with a strong BBB permeability

Experimental and Molecular Medicine, 2019
Alzheimer’s disease: Promising therapeutic compounds found in plants Compounds extracted from bracken fern block the activity of three enzymes associated with Alzheimer’s disease (AD).
Susoma Jannat, Anand Balupuri, Md Yousof Ali, Seong Su Hong, Chun Whan Choi, Yun-Hyeok Choi, Jin-Mo Ku, Woo Jung Kim, Jae Yoon Leem, Ju Eun Kim, Abinash Chandra Shrestha, Ha Neul Ham, Kee-Ho Lee, Dong Min Kim, Nam Sook Kang, Gil Hong Park   +15 more
doaj   +1 more source

Land Cover Change in the Andes of Southern Ecuador—Patterns and Drivers

Remote Sensing, 2015
In the megadiverse tropical mountain forest in the Andes of southern Ecuador, a global biodiversity hotspot, the use of fire to clear land for cattle ranching is leading to the invasion of an aggressive weed, the bracken fern, which is threatening ...
Giulia F. Curatola Fernández, Wolfgang A. Obermeier, Andrés Gerique, María Fernanda López Sandoval, Lukas W. Lehnert, Boris Thies, Jörg Bendix   +6 more
doaj   +1 more source

Tissue damage and embryonic malformation induced by aqueous extract of Pteridium aquilinum on chorioallantoic membrane of chick embryo (CAM)

Semina: Ciências Agrárias, 2017
The aim of this study was evaluate the effects of Bracken fern (BF) (Pteridium aquilinum (L.) Kuhn.) on biological systems. When consumed by animals can cause acute intoxication, hematuria, biochemistry alterations and cancer.
Amanda Leitolis, Fernanda Gimenez de Souza, Kelli Freitas, Helyn Barddal, Laryssa Rauh, Joceline Franco, Luiz Fernando Pereira   +6 more
doaj   +1 more source

Bracken Fern Poisoning

Acta Scientific Veterinary Sciences, 2023
Sheikh Uzma Farooq, Aditya Sharma, Prince Chauhan   +2 more
openaire   +1 more source

Sixty years of research on bracken fern (Pteridium spp.) toxins: Environmental exposure, health risks and recommendations for bracken fern control

Environmental Research
Bracken fern (Pteridium spp.) is a highly problematic plant worldwide due to its toxicity in combination with invasive properties on former farmland, in deforested areas and on disturbed natural habitats. The carcinogenic potential of bracken ferns has caused scientific and public concern for six decades.
Rui M. Gil da Costa, Andrew Povey, Beatriz Medeiros-Fonseca, Carmel Ramwell, Connie O'Driscoll, David Williams, Hans Chr B. Hansen, Lars Holm Rasmussen, Mary T. Fletcher, Peter O'Connor, Richard H.W. Bradshaw, Roderick Robinson, James Mason   +12 more
openaire   +5 more sources

The use of bird perches and artificial bat roosts to overcome dispersal and establishment limitation in bracken-dominated deforested areas

Global Ecology and Conservation
The failure of seeds to arrive at suitable sites (dispersal limitation) and/or unsuitable conditions for germination, seedling survival and growth (establishment limitation) can impede the regeneration of tropical forests.
Cesar Mayta, Cecilia L. López, Mariana Villegas, Isabell Hensen, Silvia C. Gallegos   +4 more
doaj   +1 more source