Results 81 to 90 of about 8,309 (200)

Evaluation of urine dipstick and cystoscopy in bovine enzootic haematuria

open access: yesSemina: Ciências Agrárias, 2014
Enzootic bovine haematuria is mainly caused by the chronic ingestion of bracken fern and is still considered an important cause of economic losses in beef herds, particularly in large metropolitan areas of Brazil that are not suitable for agriculture ...
Mariana Pavelski   +5 more
doaj   +1 more source

Transitional cell carcinoma of suspected ureteral origin, with intra-abdominal and distant metastases in two horses [PDF]

open access: yes, 2011
The present paper describes two cases of suspected urothelial carcinomas with local lymphatic metastases, and distant metastases in the lungs. In one case, liver metastases were also present.
De Clercq, Dominique   +8 more
core   +1 more source

Contrasting Species Richness in Patches of Alternative Foundation Species Suggests a Framework for Understanding Species of Unusual Effect

open access: yesJournal of Vegetation Science, Volume 36, Issue 5, September/October 2025.
In a southeastern USA pine savanna, groundcover patches dominated by bracken ferns or gallberry shrubs have lower diversity relative to native bunchgrass areas. We hypothesize that relative to one another at our site, whereas bunchgrasses are diversity‐enhancing Species of Unusual Effect (SUEs), bracken and gallberry are diversity‐inhibiting SUEs—each ...
Carrie A. Barker, Kyle E. Harms
wiley   +1 more source

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

open access: yesPesquisa 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   +5 more
doaj   +1 more source

The classification and management of limestone pavements - an endangered habitat [PDF]

open access: yes, 2011
This thesis describes an in-depth study of limestone pavements across North West England and North Wales. The aim was to combine elements of geodiversity and biodiversity in order to create a holistic limestone pavement classification to inform future ...
Willis, Sue D. M.
core  

Ungovernable ferns and the horizons of conservation in late industrial ecologies

open access: yesJournal 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

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

open access: yesArquivo 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   +8 more
doaj   +1 more source

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

open access: yesExperimental 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   +15 more
doaj   +1 more source

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

open access: yesRemote 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   +6 more
doaj   +1 more source

Chemotaxis of Bracken Spermatozoids : Implications of Electrochemical Orientation [PDF]

open access: yes, 1957
1. The chemotaxis of bracken spermatozoids involves their precise orientation in a gradient of bimalate or a few other similar ions. When a voltage gradient is established in a sperm suspension containing bimalate or other chemotactically active ions, a ...
Brokaw, C. J.
core   +1 more source

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