Results 41 to 50 of about 3,193 (134)

Determinação de ptaquilosídeo no leite de vacas por CLAE-UV

Semina: Ciências Agrárias, 2019
Samambaias do gênero Pteridium são reconhecidas como responsáveis por casos de intoxicação em bovinos. As espécies de Pteridium comumente encontradas no Brasil são P. arachnoideum e P. caudatum.
Debora da Silva Freitas Ribeiro, Kelly Moura Keller, Marília Martins Melo, Benito Soto-Blanco   +3 more
doaj   +1 more source

Palynological analysis of Dennstaedtiaceae taxa from the Paranaense Phytogeografic Province that produce monolete spores and its systematic implications (I): Blotiella lindeniana , Histiopteris incisa and Paesia glandulosa [PDF]

, 2017
The genera of Dennstaedtiaceae have sporophytes with very different morphological characteristics between each other, and this feature has made difficult the systematic circumscription of the family.
Marquez, Gonzalo Javier, Morbelli, Marta Alicia, Yañez, Agustina   +2 more
core   +2 more sources

Pteridófitas da região noroeste do Estado de São Paulo, Brasil: Dennstaedtiaceae Pteridophytes of the North-western region of the State of São Paulo, Brazil: Dennstaedtiaceae

Acta Botânica Brasílica, 1998
O trabalho faz parte de uma série de estudos sobre pteridófitas da região noroeste do Estado de São Paulo. Os representantes da família Dennstaedtiaceae são encontrados principalmente nas margens das matas ciliares e em barrancos úmidos e sombreados, com
Claudia R Siqueira, Paulo G Windisch
doaj   +1 more source

Impacto da invasão e mecanismos de regeneração natural do cerradão em áreas ocupadas por Pteridium arachnoideum (kaulf.) Maxon (Dennstaedtiaceae) no sudoeste do Estado de São Paulo [PDF]

, 2010
N. Guerin
semanticscholar   +2 more sources

Clastogenic effect of bracken fern (Pteridium aquilinum v. arachnoideum) diet in peripheral lymphocytes of human consumers: preliminary data [PDF]

Veterinary and Comparative Oncology, 2003
AbstractIngestion of bracken fern (Pteridium aquilinum v. arachnoideum) is associated with digestive tract cancer in different regions of Japan, Venezuela and Brazil. In view of reports that dietary bracken fern causes chromosomal instability in cattle, the clastogenic effect of bracken fern was investigated, in a preliminary study, in peripheral ...
R C, Recouso, R C, Stocco dos Santos, R, Freitas, R C, Santos, A C, de Freitas, O, Brunner, W, Beçak, C J, Lindsey   +7 more
openaire   +2 more sources

Human papillomavirus infection in Brazilian women with normal cervical cytology [PDF]

, 2012
We examined the prevalence of human papillomavirus (HPV) infection in a sample of Brazilian women presenting normal cervical cytology. Possible interactions between patient characteristics and HPV infection were analyzed in order to provide background ...
Beçak, Willy, Carneiro, Claudia Martins, Carvalho, Rodrigo Franco, Felix, Priscila Mueller, Lima, Angelica Alves, Lima-Filho, Jose Luis, Miranda, Priscila Mayrink, Moran, Mariana Soares, Pitol, Bruna Caroline Vieira, Silva, Ismael Dale Cotrim Guerreiro da, Silva, Nayara Nascimento Toledo, Stocco, Rita de Cassia   +11 more
core   +2 more sources

Flora of Espírito Santo: Dennstaedtiaceae

Rodriguésia
As part of the Flora of Espírito Santo project, it is presented the taxonomic treatment of Dennstaedtiaceae, with keys, descriptions, illustrations, and list of specimens examined.
Pedro B. Schwartsburd
doaj   +1 more source

Bovine enzootic hematuria in the state of tocantins and use of ultrasonography as a diagnostic method [PDF]

, 2022
Bovine enzootic hematuria (BEH) is a chronic disease caused by ingestion of Pteridium esculentum subsp. arachnoideum (Kaulf.) Thomson. This disease has great importance because it affects the animal wellbeing, causes economic losses, and hinders public ...
Abdalla Helayel, Michel, Aguiar Junior, Marcos Antônio, Andrade Caldas, Saulo, de Almeida Pereira, Josielle, de Assunção Nogueira Carvalho, Vivian, Dias Valle, Matheus, Ferreira Rocha, Juliana, Galindo Chenard, Marina, Gianordoli Teixeira Gomes, Marcio, Pinna, Aline Emerim   +9 more
core   +1 more source

Cianogênese em esporófitos de pteridófitas avaliada pelo teste do ácido pícrico Cyanogenesis in sporophytes of pteridophytes evidenced by the picric acid test

Acta Botânica Brasílica, 2005
Os glicosídeos cianogênicos são substâncias de defesa encontradas em alguns vegetais, capazes de liberar ácido cianídrico por meio de reações de hidrólise.
Marcelo Guerra Santos, Carlos Eduardo Martins Carvalho, Alphonse Kelecom, Maria Luiza Ribeiro da Costa Ribeiro, Camila Vaz Chagas de Freitas, Leonardo Moreira da Costa, Livia Viana de Godoy Fernandes   +6 more
doaj   +1 more source

Bovine enzootic haematuria from consumption of Pteris deflexa and Pteris plumula in northwestern Argentina [PDF]

, 2017
Bovine enzootic haematuria (BEH) is caused by prolonged ingestion of toxic principles of bracken fern, essentiallybyPteridium spp. In northwestern Argentina, this disease has a greateconomic impact ant it is attributed a chronic consumption to Pteridium ...
Colque Caro, Luis Adrian, Gimeno, Eduardo Juan, Martinez, Olga Gladys, Micheloud, Juan Francisco, Ribeiro, Debora De Silva Freitas, Soto Blanco, Benito   +5 more
core   +1 more source