Browsing Agricultural Sciences by Title
Now showing items 3309-3328 of 3904
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Rhizopus microsporus segmental enteritis in a cow
(2020) [Journal article]A ten year-old Holstein cow had an intermittent bloody diarrhea, evolving to anorexia and recumbency, followed by death. Mycotic segmental enteritis was diagnosed based on the pathological and immunohistochemical findings. ... -
Rice cold tolerance at the reproductive stage in a controlled environment
(2006) [Journal article]A tolerância do arroz (Oryza sativa L.) ao frio no período reprodutivo é importante para garantir alto rendimento em ambientes com temperatura baixa. No entanto, a seleção em condições de campo não permite identificar ... -
Rice seeds vigor through image processing of seedlings
(2019) [Journal article]The aim of this paper was to verify the viability of digital image processing in the measurement of rice seedling and its potential use as seed vigor test. The experiment took place at the Laboratório Didático de Análise ... -
Rinite micótica rinofaríngea em um ovino Textel no Rio Grande do Sul
(2009) [Journal article]Rinite micótica é uma doença granulomatosa de ocorrência pouco frequente que acomete o homem e os animais. Recentemente, no Centro-Oeste e Nordeste do Brasil foram descritos casos de rinite micótica em ovinos. Em uma ... -
Rinoplastia experimental com enxerto autógeno de costela em cães
(2008) [Journal article]O uso de costela autógena para correção de defeito criado no osso nasal em cães foi utilizado em 15 animais, separados em três grupos de pós-operatório, em que, após 30, 60 e 90 dias, finalizavam-se seus acompanhamentos. ... -
Riparian forest fragments in rice fields under different management : differences on hymenopteran parasitoids diversity
(2020) [Journal article]Hymenopteran parasitoids are important biological control agents in agroecosystems, and their diversity can be increased with habitat heterogeneity. Thus, the purpose of the study is to evaluate the influence of distance ... -
O risco à saúde dos brasileiros no consumo de frutas, legumes e verduras com resíduos de agrotóxicos e as oportunidades emergentes
(2016) [Journal article]O objetivo desta pesquisa foi identificar o risco à saúde da população no consumo de frutas, legumes e verduras (FLVs) com resíduos de agrotóxicos e avaliar como os gestores do setor varejista oportunizam atender à demanda ... -
Risco de deficiência hídrica decendial na metade sul do Estado do Rio Grande do Sul
(2006) [Journal article]Conduziu-se o presente estudo com o objetivo de se avaliar o risco de ocorrência de deficiência hídrica decendial da metade sul do estado do Rio Grande do Sul; para tanto, obtiveram-se dados diários de temperatura máxima ... -
Riscos e benefícios do uso de plantas transgênicas na agricultura
(1996) [Journal article] -
Risk-factor analysis for feline hyperthyroidism in the metropolitan area of Porto Alegre : a pilot case-control study
(2019) [Journal article]Background: Hyperthyroidism is the most common endocrinopathy in elderly cats and its prevalence varies greatly geographically. Since it was first described in 1979, it has shown a continuously increasing incidence. This ... -
Risk factors and likelihood of campylobacter colonization in broiler flocks.
(2007) [Journal article]Campylobacter was investigated in cecal droppings, feces, and cloacal swabs of 22 flocks of 3 to 5 week-old broilers. Risk factors and the likelihood of the presence of this agent in these flocks were determined. Management ... -
Risk factors associated with stillbirth in sows
(2023) [Journal article]In this study, the risk factors associated with stillbirth in sows were identified and their odds ratio assessed. For this purpose, 587 farrowings on Farm A and 929 on Farm B were monitored, and the sow parity, body condition ... -
Risk factors for Salmonella, Shiga toxin-producing Escherichia coli and Campylobacter occurrence in primary production of leafy greens and strawberries
(2017) [Journal article]The microbiological sanitary quality and safety of leafy greens and strawberries were assessed in the primary production in Belgium, Brazil, Egypt, Norway and Spain by enumeration of Escherichia coli and detection of ... -
Risk factors for Salmonella, Shiga toxin-producing Escherichia coli and Campylobacter occurrence in primary production of leafy greens and strawberries
(2015) [Journal article]The microbiological sanitary quality and safety of leafy greens and strawberries were assessed in the primary production in Belgium, Brazil, Egypt, Norway and Spain by enumeration of Escherichia coli and detection of ... -
Risk of death in hospitalized dogs with hemostatic profile disorders
(2020) [Journal article]Identifying patients who have a higher risk of death is crucial to define appropriate risk classification, treatment and prognosis, which can result in a favorable outcome. The objective of this retrospective study was to ... -
Risks associated to different methods of increasing pregnancy rate of cows in cow-calf systems
(2018) [Journal article] -
Rizóbios nativos do Rio Grande do Sul simbioticamente eficientes em Lotus glaber
(2011) [Journal article]As leguminosas forrageiras, além de contribuírem para o aumento da oferta de forragem com alto teor de proteína, também são importantes como cobertura vegetal de solos. Entre as leguminosas com grande potencial forrageiro, ... -
Rizóbios nativos eficientes en la fijación de nitrógeno en Leucaena leucocephala en Rio Grande do Sul, Brasil
(2021) [Journal article]La selección de rizobios nativos fijadores de nitrógeno (N) es importante para la producción de leucaena utilizada en la producción pecuaria. En el estado de Rio Grande do Sul (RS), Brasil es escasa la información de cepas ... -
Role of ferritin in the rice tolerance to iron overload
(2009) [Journal article]Deficiência de ferro (Fe) ocorre freqüentemente em plantas, uma vez que este mineral é pouco disponível em condições aeróbicas. Plantas de arroz cultivadas sob alagamento, no entanto, estão sujeitas ao excesso de Fe, que ... -
Root distribution of peach rootstocks affected by soil compaction and acidity
(2016) [Journal article]Root growth can be limited by physical and chemical conditions of the soil. Compacted and acidic soils, where there is an occurrence of exchangeable Al, constitute barriers to use of the soil by plant roots. The hypothesis ...
