Programa de Pós-Graduação em Ciência Animal - PPGCAN/Castanhal

URI Permanente desta comunidadehttps://repositorio.ufpa.br/handle/2011/2335

O Programa de Pós-Graduação em Ciência Animal (PPGCAN) é um programa do Campus Universitário de Castanhal (CCAST) da Universidade Federal do Pará (UFPA), Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA) e Universidade Federal Rural da Amazônia (UFRA). O Programa iniciou o nível de Mestrado em 1999 junto à CAPES/MEC, tendo aprovação de sua proposta de Doutorado junto à agência em 2008, com início da primeira turma em 2009, o que certamente contribuirá à formação de massa crítica regional.Se caracteriza por apresentar um conjunto de disciplinas que repassam aos alunos um embasamento teórico e prático, capacitando os mesmos a aplicarem os conhecimentos adquiridos no avanço regional da produção animal. Direcionando as linhas de pesquisa do curso à nutrição, biotecnologia, pastagens, conservação de recursos genéticos, reprodução, sanidade animal, bovinocultura, bubalinocultura, animais silvestres, ecologia aquática e aquicultura.

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    Elaboração e caracterização do “Queijo Marajó”, tipo creme, de leite de búfala, visando sua padronização
    (Universidade Federal do Pará, 2006) FIGUEIREDO, Elaine Lopes; LOURENÇO JÚNIOR, José de Brito; http://lattes.cnpq.br/2919433679918544
    This work objected the elaboration and physical-chemical, microbiological and sensorial characterization of the “Marajó Cheese”, type cremate, processed with buffalo milk, besides evaluating shelf life, for 28 days and economical income. The two places were produced the derivates (Place A - University of the Para State and Place B - Dairy industry, Soure, Para). The milk and cheese were processed levels of humidity, lipid, protein, carbohydrate, caloric value, acid, pH, mesophylla bacteria, coliforms at 35ºC and 45ºC, mould and yeasts, Staphylococus aureus and Salmonella. Just in the cheese cholesterol and minerals analyses were accomplished. The sensorial analysis consisted of profile of characteristics and acceptance test. The similarity of the averages of the physical-chemical variables of the buffalo milk indicated that this was adapted for the elaboration of having standard derivate. Anyone sample of milk presented contamination for coliforms, Staphylococcus aureus and Salmonella. The largest contamination was verified for aerobic bacteria (mesophyllas), mould and yeasts. The fat levels in the dry extract and of humidity they classified the derivate as fat and of average humidity. The “Marajó Cheese” came inside of the established standard for quality food, until the 21º day of storage. The more perceptible sensorial attributes and that they characterized the sensorial profile of the derivate were white color, milk and acid aroma, tastes acid and salty e softness. The Test of Acceptance indicated that the cheese was very appreciated by tasters. “Marajó Cheese” elaborate appropriately there is need of Good Practices of Production, inside which stand out the control of the acidity and fat of the milk and the mass used for derivate, standardization of the quantity of cream, chloride of sodium and potassium sorbato were added, besides the hygiene in the milk obtained and processing.
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    Perfil da nutrição mineral dos rebanhos leiteiros, na microrregião de Castanhal e no município de Uruará, Estado do Pará
    (Universidade Federal do Pará, 2002-12-10) MANESCHY, Rosana Quaresma; CARDOSO, Elyzabeth da Cruz; http://lattes.cnpq.br/8805703740727765
    This study is part of a research project entitled “Sustentability of milk cattle production into the agriculture family systems in the Amazon eastern region” developed by Embrapa with objective to evaluate problems envolving small and medium farms in the micro-region of Castanhal (local 1) and in the county of Uruará (local 2), State of Para, Brazil. The objectives of this research were define the features and effected the mineral supplementation, analyze the mineral content of forage (Brachiaria brizantha cv. Marandu) planted in two different regions during the dry and rainy season of the year and identified the practical factors of restriction of mineral nutrition management used by farmers. There were developed two studies, in the first were study the localities using the questionnaire/interview methodology when defined the features that define the mineral supplementation used in the both locals. The dates gotten by questionnaire/interview permited obtain twenty-two important variables that were grouped in four main groups to characterize the practical management of mineral supplementation used in the two different locals. There was used descriptive statistic and the Qui-square test at 5% of probability for determination of the degree of significance when the different locals variables were compared. In the second study the pastures (Brachiaria brizantha cv. Marandu) in two locals samples of forage were harvested in two different periods of the year, end of dry season (November of 1998) and end of rainy season (June of 1999) with objective to analyses the calcium (Ca), phosphorus (P), magnesium (Mg), sodium (Na), potassium (K), cupper (Cu), zinc (Zn), iron (Fe), manganese (Mg) and cobalt (Co). A casual randomized design was used to compare the regions (local 1 and local 2) and for seasons (dry and rainy) was used a sub-plots design. The variance analyses was carried by the method of minimum square and the test of Fisher (F) was used to obtain the significance considering 5% as probability of effect. The Tukey’s test was used to compared the medium values. That was observed for both properties a high cost of mineral mixture used by farmers and this means an important significance in the economic costs for cows during the lactation period. In the local 1, Brachiaria brizantha cv. Marandu did not attempt the P, Na, Cu and Zn requirements for dairy cows during the lactation period and this is an indicative to procedure the mineral supplementation in a mineral feeder. The milk production is important for the economy of this region and farmers have problems to understand how in important supply different mineral mixtures for animals in different stages of production. Particularly in this micro-region was observed low concentration of P in the forage during the rainy season and this observation disagree from the other experiments concluded in this region, and can be an important problem during this period when the forage is more available and the level of protein and energy in the animal diet is high than an more intensive P imbalance can be present and this evidence is one more important feature responsible for low productivity of livestock. In the local 2, Brachiaria brizantha cv. Marandu did not attempt the P, Na and Cu requirements proposed by NRC (1996) for beef cattle, cows during the lactation period what indicated the importance to procedure the mineral supplementation in a mineral feeder. In this region was observed a low intake of mineral supplement and the condition of mineral feeder was neglected. The location of mineral feeder inside the enclosure, the limitation of animal access permited only during the milking activities were problems that indicated the reason to low intake of mineral supplement by cows. It was indicated a change of this management for one system that provide the mineral supplementation as the cows requirement. The main anormality frequency observed was abnormal appetite that was characterized when another problems were related which ould be characterized in reproduction problems, loss of appetite, bone abnormalities, and low body weight of the animals. These problems were more intensive when clinical deficiency of P and Cu were suggested.
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