Results 31 to 40 of about 413,298 (168)

Surto de aflatoxicose em bezerros no Rio Grande do Sul Outbreak of aflatoxicosis in calves in southern Brazil

open access: yesPesquisa Veterinária Brasileira, 2010
Um surto de aflatoxicose crônica é relatado em bezerros de raça leiteira. Quarenta bezerros holandeses machos de quatro meses de idade e aproximadamente 100kg eram mantidos em gaiolas individuais de 1,5 x 1,5m e alimentados com uma ração constituída por ...
Felipe Pierezan   +6 more
doaj   +1 more source

Ovinocultura, ferramenta de controle de Senecio spp [PDF]

open access: yes, 2012
Since poisoning by Senecio spp. is one of the main causes of cattle death in southern Brazil, control of these plants is a priority for the local livestock production.
Bandarra, Paulo Mota   +7 more
core   +1 more source

Niche Segregation Between Black-Necked Crane and Common Crane in Human-Modified Landscape, Huize Black-Necked Crane National Nature Reserve, Yunnan Province, Southwestern China. [PDF]

open access: yesEcol Evol
We investigated how Black‐necked Cranes and Common Cranes coexist in agro‐wetland landscapes of southwest China by reconstructing their plant‐based diets using eDNA metabarcoding. Black‐necked Cranes maintained broad, stable diets centered on natural vegetation, while Common Cranes shifted dynamically to energy‐dense crops, leading to progressive niche
Wu J, Si Y, Shang X, Li C, Liu Q.
europepmc   +2 more sources

Caracterização imuno-histoquímica das alterações encefálicas em bovinos com hepatopatia tóxica por Senecio sp

open access: yesPesquisa Veterinária Brasileira, 2013
Intoxicação por Senecio spp. é causa importante de doença e morte em bovinos no Rio Grande do Sul e frequentemente cursa com manifestações clínicas neurológicas e alterações histológicas encefálicas.
Angelica T.B. Wouters   +4 more
doaj   +1 more source

Plants that can be Poisonous for Cows. A Review

open access: yesBulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Animal Science and Biotechnologies, 2017
Romania is blessed with a rich spontaneous flora, but some of the plants are toxic by their consumption in cattle, affecting the health, productions and endangering consumer safety.
Cristina EL MAHDY   +2 more
doaj   +1 more source

Metabarcoding of Pollen Carried by Syrphids Reveals Novel Plant–Pollinator Interactions in a Protected Natural Area and Agricultural Sites

open access: yesEntomologia Experimentalis et Applicata, EarlyView.
Using DNA metabarcoding, this study investigates pollen transported by syrphids (Syrphidae) in the Dolomiti Bellunesi National Park and agricultural sites in Northern Italy. The analysis reveals a high diversity of visited plant taxa, including previously undocumented plant–pollinator interactions.
Serena Magagnoli   +6 more
wiley   +1 more source

Honeybees directly outcompete other flower visitors through interference competition on shared resource

open access: yesEcological Entomology, EarlyView.
The outcomes of encounters between honeybees and other flower visitors were observed on two plant species. Pollinators either win, lose or share a resource. Competitive interactions led to greater than expected ‘wins’ for honeybees. The honeybee displaced or gave chase when interacting with another pollinator in at least 20% of winning outcomes ...
Victoria A. Buckle   +3 more
wiley   +1 more source

Mapping wild bee diversity and flower use for an effective conservation of the Doñana biodiversity hotspot

open access: yesInsect Conservation and Diversity, EarlyView.
We compiled the first checklist of wild bees in Doñana Protected Area, documenting 385 species, including three vulnerable and one endangered species listed in the Red List. Bee species exhibit diverse floral preferences, highlighting the need to incorporate plant–pollinator interactions and the role of plants in conservation and management strategies ...
Francisco P. Molina   +3 more
wiley   +1 more source

Intoxicações por plantas e micotoxinas associadas a plantas em bovinos no Rio Grande do Sul: 461 casos Plant and plant-associated mycotoxins poisoning in cattle in Rio Grande do Sul, Brazil: 461 cases

open access: yesPesquisa Veterinária Brasileira, 2007
Foi realizado um levantamento nos arquivos do Laboratório de Patologia Veterinária (LPV) da Universidade Federal de Santa Maria (UFSM) e revisados os laudos de necropsias de bovinos realizadas entre 1990 e 2005.
Daniel R. Rissi   +7 more
doaj   +1 more source

Elevational patterns in plant breeding systems and pollen limitation in Afrotropical montane grasslands

open access: yesPlant Biology, EarlyView.
Hand‐pollination in Afromontane grasslands on Mount Cameroon showed mid‐elevation seed production peaks, summit pollen limitation and no selfing increase, indicating limited reproductive assurance. Abstract Plant reproduction along elevational gradients may be limited by insufficient pollination service, variation in selfing capacity or post ...
D. Anýž   +14 more
wiley   +1 more source

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