31 resultados para Rufescens
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Eimeria rhynchoti is redescribed parasitizing partridge (Rhynchotus rufescens), reared in captivity, from Jaboticabal City, São Paulo State, Brazil. Sporulation takes place in 48 hours, the shape of oocysts found vary from spherical to elliptic with 23.01 micro +/- 1.57 of length by 21.0 micro +/- 1.78 of width. The microple, polar cap and residuum of the oocysts were absent. The oocyst wall, measures 2.2 micro +/- 0.31 of thickness, is composed by two smooth layers; the polar granule is present. The sporocysts length was 15.03 mm +/- 2.12 by 8.08 mm +/- 0.84 of width vary from elliptic to elongate. Sporocyst wall slender with is fine and Stieda body; the residue found in form of several smaller granules spherical compacts. The sporozoites are contrary extending along the sporocysts wall possessing refracts body of easy visualization.
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Due to the commercial importance of the red-winged tinamou (Rhynchotus rufescens), for the past few years, the employment of reproductive biotechnologies has been attempted. Thirty animals were randomly assigned into two groups: control group (no selenium) and treatment group (supplemented with 0,2 a 0,8 mg selenium/ 1000 kg ration). Animals were allocated at the FCAV - UNESP/Jaboticabal (2007-2008). Semen collections were performed by digital manipulation and divided in pools of at least 150 μL. After the immediate evaluation of motility, vigour, concentration and morphology, an aliquot of 20 μL was diluted in 300 μL of physiologic solution in order to test acrosome and membrane integrities, which were performed by counting 200 cells for each test. Cells were evaluated as follows: 1) Intact acrosome: lilac acrosome; Non-intact acrosome: pink acrosome; 2) Live cells: non stained; Dead: stained. Data was statistically analysed using the SAS System for Windows. No differences were found between treatment and control groups for volume, motility, vigour, mean number of spermatozoa per animal, concentration, Intact acrosome, Intact membrane. The difference found on midpiece sperm defect (Se = 1,33 ± 0,53 and control = 3,78 ± 0,69, p = 0.0107) may be due to the damages caused by the selenium deficiency to the architecture of the midpiece, which compromises sperm mobility and fertilization capacity.
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Zootecnia - FCAV
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Pós-graduação em Genética e Melhoramento Animal - FCAV
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Pós-graduação em Genética e Melhoramento Animal - FCAV
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Foram estudados os grãos de pólen de 12 gêneros e 41 espécies de Solanaceae ocorrentes na Reserva do Parque Estadual das Fontes do Ipiranga: Acnistus arborescens (L.) Schlecht., Athenaea picta (Mart.) Sendtn., Brunfelsia latifolia Benth., Brunfelsia pauciflora (Cham. & Schlecht.) Benth., Capsicum flexuosum (L.) Sendtn., Capsicum villosum (L.) Sendtn., Cestrum amictum (L.) Schlecht., Cestrum corymbosum (L.) Schlecht., Cestrum lanceolatum (L.) Miers, Cestrum schlechtendalii (L.) G. Don, Cestrum sendtnerianum (L.) Mart. ex Sendtn., Cyphomandra diploconos Sendtn., Cyphomandra velutina Sendtn., Dyssochroma viridiflora (Sims) Ducke, Nicotiana langsdorffii (Weinm.) Roem. & Schult., Physalis peruviana L., Physalis viscosa L., Sessea brasiliensis Tol., Solandra grandiflora Sw, Solanum americanum Mill., Solanum atropurpureum Schrank., Solanum bullatum Vell., Solanum capsicoides Allion., Solanum cernuum Vell., Solanum concinnum Schott ex Sendtn., Solanum didynum Dun., Solanum diflorum Vell., Solanum excelsum St. Hil. ex Dun., Solanum granuloso-leprosum Dun., Solanum hoehnei Morton, Solanum inaequale Vell., Solanum inodornum Vell., Solanum lycocarpum St. Hil. ex Dun., Solanum mauritianum Scop., Solanum paniculatum L., Solanum rufescens Sendtn., Solanum sisymbriifolium Lam., Solanum swartzianum Roem. & Schult., Solanum vaillantii Dun., Solanum variabile Mart., Solanum viarum Dun. São apresentadas descrições para todas as espécies estudadas, ilustrações, observações e seis chaves polínicas.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)