Associação genética de características de qualidade de carne e precocidade sexual em animais Nelore (Bos indicus)

Pós-graduação em Genética e Melhoramento Animal - FCAV

Estudo epidemiologico do complexo teníase-cisticercose: nova abordagem

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Comparação entre métodos diagnósticos da tuberculose em bovinos abatidos em matadouros-frigoríficos do Estado de São Paulo

Pós-graduação em Medicina Veterinária - FCAV

Histopathological, immunohistochemical, and molecular study of BHV-5 infection in the central nervous system of experimentally infected calves

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Substituição do milho pela glicerina em suplementos múltiplos para novilhos Nelore em pastejo

The objective was to evaluate the performance and production costs of Nellore steers growing on Brachiaria brizantha cv. Marandu during the dry season receiving mineral supplements with partial replacement of corn by residual glycerin. 40 Nellore steers with initial body weight of 203.12 +/- 20.10 kg and average initial age of 12 months, distributed into eight paddocks of 1.6 ha each, were used. The experimental design was completely randomized with five replicates and eight supplements. Supplements with levels of partial replacement of corn by glycerin were evaluated: 0% (G0), 10% (G10), 20% (G20), 30% (G30), 40% (G40), 50% (G50) and 60% (G60) provided on the amount of 1 kg/animal/day in the natural matter, and a mineral supplement (MS). The average daily gain (ADG) was higher (P<0.05) in animals receiving supplements G30 (0.609 kg), G40 (0.588 kg) and G60 (0.611 kg) in relation to supplements G0 (0.546 kg), G10 (0.509 kg), G50 (0.561 kg) and MS (0.223 kg). There were differences (P <0.10) in ADG in supplemented animals when compared to MS. The supplemented animals showed higher ADG (P<0.05) compared to MS. The different levels provided positive financial return. It is concluded that the supply of multiple supplements replacing the corn by glycerol in production systems of steers in the dry period provides higher productive performance levels of 30, 40 and 60% and positive financial return to levels of 60% of replacement, demonstrating thus, its potential use for intensive systems of beef production on pasture.

Caracterização molecular de bovinos de origem Bos indicus e seus cruzados para maciez de carne

O objetivo desse trabalho foi conhecer a variabilidade genética da calpaína e seu potencial como marcador molecular para programas de melhoramento genético, visando auxiliar na seleção de genótipos superiores para maciez de carne zebuína. Para tanto foram analisados 55 animais da raça Nelore, proveniente de outros projetos de pesquisa conduzidos pela equipe técnica do Laboratório de Genética do Instituto de Zootecnia de Nova Odessa. Os animais foram abatidos ao atingirem o acabamento de 4 mm de espessura de gordura e a amostra de carne foi coletada entre a 12ª e 13ª costelas no músculo Longissimus dorsi. A maciez de carne foi avaliada empregando-se a técnica de Warner Bratzler Shear Force em 0 e 14 dias de maturação. O DNA foi extraído a partir das amostras de carne, em seguida foi quantificado e diluído para ser amplificado por PCR. Três polimorfismos foram investigados pelas técnicas de PCR-RFLP e PCR- SSCP, localizados no exon 9, exon 14 e intron 17 do gene calpaína, sendo denominados CPN316, CAPN530, CAPN4751, respectivamente. Os resultados da análise de associação entre os dados de força de cisalhamento (FC) e marcadores moleculares revelaram efeito significativo apenas para o marcador CAPN4751. O alelo C, considerado favorável para maciez de carne, apresentou relação significativa (P>0,05) com valores menores de FC, sugerindo o seu emprego na seleção de genótipos superiores para maciez de carne de bovinos da raça Nelore

Boas práticas de manejo de bezerras leiteiras na fase de cria e potenciais efeitos na recria

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Estudo neuroanatômico do éncefalo bovino por ressonância magnética

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Maturidade pulmonar e fetal de bezerros da raça holandesa preta e branca tecém-nascidos, a termo e hígidos: análise do líquido amniótico

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Avaliação do potencial antioxidante e antiglicante de fitoterápicos utilizados para os sintomas de climatério

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Diagnóstico de situação das práticas de manejo sanitário em sistemas de produção de bovinos de corte

We interviewed 21 farmers in order to access which sanitary practices adopted in the production systems of beef cattle on farms located in São Paulo, Mato Grosso, Mato Grosso do Sul and Rondonia. The survey was conducted through a qualitative approach to the collection of data obtained through questionnaire and personal interview with the landowners. We questioned the attitudes and sanitation procedures in these current production systems such as veterinary assistance, preventive health practices and disease surveillance, knowledge of health hazards for the safe production of food, animal feed, vaccine and immunizations, registration system, measures with newborns, products used in the environment and animals, grace period, employee training, destination of the dead animals, among others. Along with the data found that only 30% of properties had veterinary care, 67% said they meet the expiration dates of the products, although it was not mentioned on the products if there were any. In only 48% of properties were veterinarians who prescribed drugs to animals. Only two of the owners confirmed buying and using expired products in animals and only 48% have received some training on the property. In this setting, it is evident that farmers should be better prepared for insertion of its products in a highly demanding and competitive market. In this context, add value to the product depends mainly on the condition of sanitation of the herds.

Avaliação do perfil dos consumidores de carne de frango no município de Araçatuba - SP

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Caracterização histomorfológica de lesões granulomatosas sugestivas de tuberculose ganglionar e pulmonar em bovinos abatidos na região noroeste do estado de SãoPaulo

Tuberculosis infection among humans transmitted by products of animal origin can be caused by Mycobacterium bovis, a concern in developing countries, because the number of human cases is relatively high compared with countries that have implemented programs to eradicate bovine tuberculosis for many years. Because it is a chronic disease with subclinical evolution, it is transmitted to other animals in the herd livestock resulting in high loss losses resulting high (10 to 25%), as well as the zoonotic nature of the disease on public health. This work aimed to study the histomorphology of granulomas in samples of lymph nodes and lungs of animals with suggestive lesions of tuberculosis, as well as those similar to the sanitary inspection. The animals clinically healthy ante-mortem, were slaughtered in a slaughterhouse in the northwestern state of Sao Paulo between April 2008 and April 2009, considering that carcasses had lymph nodes with lesions typical of tuberculosis, exhibiting nodular and hemorrhagic appearance. The caseous or calcified lesions, purulent or not, of various sizes and shapes, were also evaluated. Of the 307,661 animals slaughtered in the mentioned period, 494 gross suggestive lesions of tuberculosis and from 29 cities in the state of Sao Paulo, 16 from Mato Grosso do Sul, Goias 15, one from Mato Grosso and Paraná. Among these, 200 samples (40,5%) were processed for histopathological evaluation by hematoxylin-eosin (HE) and 90 (45%) were subjected to Ziehl-Neelsen (ZN) and examined by light microscopy. In HE staining, histopathological changes of tuberculosis were found in 197 (98,5%), classified according to the stage of development adopted by Wango et al.(31), where 29 samples were included in stage I (14,5%), 53 in stage II (26,5%), 87 in stage III (43,5%), 28 in stage IV (14%). In the ZN staining Mycobacterium sp was found in 89 (99%) of the specimens. The rate of tuberculosis in the herd studied was 0,16%. We conclude that the identification of the disease in slaughterhouses and meat companies from significant gross lesions, enables the implementation of effective measures, specifically the origin of the disease in cattle herds, providing control measures to prevent its spread.

Carcinoma de células escamosas em assoalho vaginal de um bovino nelore associado a metástase em pulmão: relato de caso

The squamous cell carcinoma (SCC) is a neoplasm that affect pets and production animals and it’s very common in tropical countries like Brazil; develops in sparsely pigmented, stratified squamous epithelium and in mucosal surfaces exposed Ultraviolet action. The SCC is quite infiltrative but rarely causes metastases. Its occurrence in the female reproductive tract is recognized in the literature on cattle breeds from Europe. This case was a female bovine, Nelore, adult, who was referred to the "Hospital Veterinário Luiz Quintiliano de Oliveira" with dark brown fluid leakage and putrid odor, associated with ulcerative growth of the vagina. Because the extent of injury, the animal was euthanized and taken to the necropsy, which was observed on board structure, ulcerated and pus in the vaginal floor, infiltrated into the pelvic cavity to the serosa of the uterine body. The microscopic findings were detected neoplastic proliferation of epithelial cells in the floor and vaginal metastases in the lung parenchyma, and classified the primary tumor and metastasis as squamous cell carcinoma moderately differentiated.

Intoxicação por cobre em ovinos: revisão de literatura

O cobre (Cu) é um microelemento essencial aos mamíferos, entretanto, quando ingerido em altas quantidades, num período curto ou prolongado, pode provocar uma intoxicação severa. A habilidade de acumular Cu nos tecidos varia de acordo com as espécies e com as raças dentro da própria espécie, dentre as espécies acometidas, destacam-se a ovina, e em menor escala, canina, suína e bovina. A intoxicação aguda em ovinos é pouco frequente e pode ser decorrente da ingestão oral ou da administração parenteral de cobre. A intoxicação crônica é a principal forma de ocorrência desta enfermidade nesta espécie. A maioria dos ovinos acometidos é proveniente de manejo intensivo, os quais recebem dietas ricas em concentrados energéticos, e a ocorrência mais comum se dá quando estes animais ingerem misturas minerais destinadas a bovinos. A forma crônica caracteriza-se por três fases distintas: pré-hemolítica, hemolítica e pós-hemolítica. O resultado, tanto da forma crônica, como da aguda será a hemólise intravascular. O diagnóstico é realizado por meio do histórico, exame clínico e laboratorial e achados de necropsia. Entre os sinais clínicos destacam-se a icterícia e a hemoglobinúria. A terapia pode ser eficiente se for iniciada precocemente no decorrer do 1º ao 2º dia após o início da hemoglobinúria, sendo utilizado antídoto específico à base de tetratiomolibdato (TTM). O controle em rebanhos ovinos deve ser feito com rígidas medidas dietéticas, evitando-se oferecer rações concentradas em concomitância com sais minerais que contenham altos teores de cobre.