Recreational Multifunctionality and its implications for agroforestry diffusion   总被引：1，自引：1，他引：0  

Carla Barbieri  Corinne Valdivia 《Agroforestry Systems》2010,79(1):5-18

Recreational Multifunctionality refers to those farms providing at least one recreational service to members of the farm household or the public. Based on the types of recreational services offered, two types of landowners have been identified: Productivists and Ruralists. They differ on their extent of Recreational Multifunctionality, farm household attributes and farm representation. Both types of landowners also have different behavior and understanding of agroforestry. This study builds on the Recreational Multifunctionality construct to identify message content, channels and agencies that can better facilitate the diffusion of agroforestry. In 2006, 353 randomly selected landowners from Missouri were interviewed and clustered in two groups: Productivists (38.0%) and Ruralists (62.0%). These groups were examined to identify differences regarding their perceptions of being a good farmer (i.e., message content); their preferred source of information (i.e., communication channel); and their preferred agencies for learning purposes (i.e., communication agencies). Study results show differences between Productivists and Ruralists in all three aspects of diffusion examined (i.e., message content, channels and agencies), suggesting that all landowners should not be approached in the same way when promoting agroforestry. Messages conveyed to Productivists should emphasize the economic benefits of agroforestry, while messages to Ruralists should emphasize the conservation benefits of agroforestry. Touring farms with active tree management is a good way to disseminate agroforestry practices among Productivists while state and federal extension agents appear to be more suitable to approach Ruralists. Both groups can effectively be reached using printed materials, especially through official conservation magazines.  相似文献   

Waldenström's macroglobulinemia in a dog with a bleeding diathesis     

Jaillardon L  Fournel-Fleury C 《Veterinary clinical pathology / American Society for Veterinary Clinical Pathology》2011,40(3):351-355

Abstract: An 11‐year‐old female spayed Whippet dog was referred to the Veterinary Hospital of the National Veterinary School of Lyon with a 3‐month history of chronic bleeding, cutaneous masses suggestive of hematomas, and hemorrhagic diarrhea. Laboratory abnormalities included leukopenia with neutropenia and lymphopenia, rouleaux formation, marked hyperproteinemia with hyperglobulinemia and normoalbuminemia, hypercalcemia, markedly increased serum urea concentration, mildly increased creatinine concentration, and proteinuria. Hemostatic screening tests showed marked prolongation of thrombin time, increased concentrations of fibrin(ogen) degradation products and D‐dimers, and slightly prolonged activated partial thromboplastin time. Serum and urine protein electrophoresis revealed a monoclonal peak identified as IgM by immunoelectrophoresis and an M‐spike, respectively. Cytologic evaluation of bone marrow revealed a hypocellular sample with lymphoplasmacytic cells comprising approximately 50% of all nucleated cells. These findings were consistent with a diagnosis of Waldenström's macroglobulinemia with secondary bleeding diathesis. Treatment with prednisone and chlorambucil was initiated, and the dog had a good response.  相似文献   

Genetic analysis on body weight at different ages in broiler chicken raised in commercial environment     

Thinh Tuan Chu  Per Madsen  Elise Norberg  Lei Wang  Danye Marois  John Henshall  Just Jensen 《Zeitschrift für Tierzüchtung und Züchtungsbiologie》2020,137(2):245-259

A multivariate model was developed and used to estimate genetic parameters of body weight (BW) at 1–6 weeks of age of broilers raised in a commercial environment. The development of model was based on the predictive ability of breeding values evaluated from a cross-validation procedure that relied on half-sib correlation. The multivariate model accounted for heterogeneous variances between sexes through standardization applied to male and female BWs differently. It was found that the direct additive genetic, permanent environmental maternal and residual variances for BW increased drastically as broilers aged. The drastic increase in variances over weeks of age was mainly due to scaling effects. The ratio of the permanent environmental maternal variance to phenotypic variance decreased gradually with increasing age. Heritability of BW traits ranged from 0.28 to 0.33 at different weeks of age. The direct genetic effects on consecutive weekly BWs had high genetic correlations (0.85–0.99), but the genetic correlations between early and late BWs were low (0.32–0.57). The difference in variance components between sexes increased with increasing age. In conclusion, the permanent environmental maternal effect on broiler chicken BW decreased with increasing age from weeks 1 to 6. Potential bias of the model that considered identical variances for sexes could be reduced when heterogeneous variances between sexes are accounted for in the model.  相似文献   

User-friendly extraction and multistage tandem mass spectrometry based analysis of lipid-linked oligosaccharides in microalgae     

Pierre-Louis Lucas  Rodolphe Dumontier  Corinne Loutelier-Bourhis  Alain Mareck  Carlos Afonso  Patrice Lerouge  Narimane Mati-Baouche  Muriel Bardor 《Plant methods》2018,14(1):107

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Enzootic pneumonia in feeder pigs: Association with transmissible gastroenteritis virus infection          下载免费PDF全文

Marois P  Difranco E  Boulay G  Assaf R 《The Canadian veterinary journal. La revue veterinaire canadienne》1989,30(4):328-330

Infection with transmissible gastroenteritis virus (TGEV) was present in some pigs on arrival at a feeder pig farm and was well established three weeks later. TGE infection preceded Mycoplasma hyopneumoniae infection, which was not detected until three weeks after arrival. Severe lesions of enzootic pneumonia were observed at the end of the fattening period.  相似文献   

Six chemicals with animal repellent or insecticide properties are screened for phytotoxic effects on the germination and viability of ash, birch, Corsican pine and sycamore seeds   总被引：1，自引：0，他引：1  

Gosling  Peter G.; Baker  Corinne 《Forestry》2004,77(5):397-403

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Etude experimentale du transport de Pinoculum de Ceratocystis fimbriata f. platani par ľeau ?une riviere     

C. Grosclaude  R. Olivier  J.-C. Pizzuto  Corinne Romiti 《Forest Pathology》1991,21(3):168-171

Dissemination of Ceratocystis fimbriata f. platani inoculum by river water . C. fimbriata was detected up to 108 m downstream from pieces of diseased plane tree placed in a fixed site in a river in Southern France. Assessment of C. fimbriata was realized by a trapping method with healthy wood.  相似文献   

Détection par piégeage du Ceratocystis fimbriata f. platani     

C. Grosclaude  R. Olivier  J.-C. Pizzuto  Corinne Romiti  Sylvie Madec 《Forest Pathology》1988,18(7):385-390

Application of the technique of trapping Ceratocystis fimbriata f. platani for the study of the persistance in affected trees . The study of the persistance of Ceratocystis fimbriata f. platani in affected trees is achieved by trapping of the fungus which is carried out on small branches of London plane, stripped of their bark. If C. fimbriata is present in samples of wood to be tested, it becomes visible after a few days when numerous perithecia form on the trap. Trapping the fungus by this method has been systematically achieved with young, artificially inoculated trees: in many cases, C. fimbriata persists in the wood after a period of about 19 to 22 months.  相似文献   

Perspectives on emerging zoonotic disease research and capacity building in Canada     

Stephen C  Artsob H  Bowie WR  Drebot M  Fraser E  Leighton T  Morshed M  Ong C  Patrick D 《The Canadian veterinary journal. La revue veterinaire canadienne》2005,46(1):65-71

Zoonoses are fundamental determinants of community health. Preventing, identifying and managing these infections must be a central public health focus. Most current zoonoses research focuses on the interface of the pathogen and the clinically ill person, emphasizing microbial detection, mechanisms of pathogenicity and clinical intervention strategies, rather than examining the causes of emergence, persistence and spread of new zoonoses. There are gaps in the understanding of the animal determinants of emergence and the capacity to train highly qualified individuals; these are major obstacles to preventing new disease threats. The ability to predict the emergence of zoonoses and their resulting public health and societal impacts are hindered when insufficient effort is devoted to understanding zoonotic disease epidemiology, and when zoonoses are not examined in a manner that yields fundamental insight into their origin and spread. Emerging infectious disease research should rest on four pillars: enhanced communications across disciplinary and agency boundaries; the assessment and development of surveillance and disease detection tools; the examination of linkages between animal health determinants of human health outcomes; and finally, cross-disciplinary training and research. A national strategy to predict, prevent and manage emerging diseases must have a prominent and explicit role for veterinary and biological researchers. An integrated health approach would provide decision makers with a firmer foundation from which to build evidence-based disease prevention and control plans that involve complex human/animal/environmental systems, and would serve as the foundation to train and support the new cadre of individuals ultimately needed to maintain and apply research capacity in this area.  相似文献   

Acute megakaryoblastic leukemia with erythrophagocytosis and thrombosis in a dog     

Ledieu D  Palazzi X  Marchal T  Fournel-Fleury C 《Veterinary clinical pathology / American Society for Veterinary Clinical Pathology》2005,34(1):52-56

A 7-year-old, intact male Dachshund was presented to the Lyon veterinary school for lethargy and anorexia of several weeks duration. The main clinical signs were pale and icteric mucous membranes, hepatomegaly, splenomegaly, and lymphadenopathy. Results of a CBC and plasma biochemistry tests revealed severe nonregenerative anemia, thrombocytopenia, and increased alanine aminotransferase and alkaline phosphatase activities. Blood smear evaluation and cytologic examination of lymph node and bone marrow aspirate specimens revealed a large population of poorly differentiated blast cells with morphologic features suggesting megakaryocytic lineage. A low number of well-differentiated but dysplastic megakaryocytes also were observed in lymph node and bone marrow smears. A few blast cells were erythrophagocytic. Blast cells were positive for glycoprotein IIIa, factor VIII-related antigen, and factor XIII using immunocytochemistry. The dog was euthanized and necropsied. Histologic findings consisted of diffuse, massive infiltration of lymph nodes, liver, and spleen by megakaryoblasts and atypical megakaryocytes, with widespread thrombosis. This case confirms the usefulness of immunochemistry, including for factor XIII, in the diagnosis of megakaryoblastic leukemia, and demonstrates the unique features of tumor cell erythrophagocytosis and marked fibrinous thrombosis, which have not been reported previously in dogs.  相似文献