Navegando por Assunto "Camarões - Alimentação e rações"

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Acompanhamento técnico da cadeia produtiva do camarão (Litopenaeus vannamei) realizado na Potiporã - Samaria Camarões LTDA
(2019-02-01) Santos, Manoela do Rêgo Barros; Moura, Andrea Paiva Botelho Lapenda de; http://lattes.cnpq.br/6414540974581675; http://lattes.cnpq.br/1498292510891744
Having the perception that the supervised internship required to obtain a Bachelor's Degree in Veterinary Medicine is the moment where there is the association between the theoretical knowledge acquired during the graduation with the daily practical experience, this final paper aims to report the experience of technical monitoring of the production of Pacific White Shrimp (Litopenaeus vannamei). The internship was carried out in the period between September 18, 2018 and December 5, 2018 in the company Potiporã - Samaria Camarões Ltda. The activities developed were carried out at the Post-Larva Unit, located in Touros-RN, at the Shrimp Farm and at the Beneficiation Unit of the company, both located in Pendências-RN. The practices were performed following the production flow chart of the company, starting at the Post-Larvae Unit, which has the objective of producing quality post-larvae, going to the Shrimp Farm, where the animals are cultivated for about 105 days and has an approximate production of six tons per hectare per year, and lastly, at the Processing Unit where procedures were followed from the animals in the nurseries until the final product (frozen shrimp) was sent to shopping centers. Each of these stages was supervised by Veterinary Roseli Pimentel Pinheiro e Silva, general manager of the post-larva unit and the company's technical manager. In total, the 420 hours hourly load scheduled for 08525 - Compulsory Supervised Internship of the Bachelor's Degree in Veterinary Medicine at Universidade Federal Rural de Pernambuco – UFRPE was completed, under the guidance of Professor Andrea Paiva Botelho Lapenda de Moura
Aspectos gerais sobre a alimentação dos camarões da família Penaeidae (Penaeus spp.), no canal de Santa Cruz, Itamaracá - PE
(1987) Vasconcelos Filho, Antônio de Lemos; Galiza-Viana, Elza Maria Braga; Rosa, Suzane Maria Teixeira da
Foram realizados estudos sobre a alimentação natural dos camarões marinhos da família Penaeidae (Penaeus spp.),provenientes do Canal de Santa Cruz, Itacamaracá-PE. Dessa forma, observou- se o grau de repleção, digestão, bem como, a determinação quanto-qualitativa dos itensalimentares encontrados nos estômagos analisados, sendo que, dos exemplares examinados, 69,8% eram fêmeas e 30,2% eram machos. Constatou-se que, entre os estádios de repleção, a maioria dos estômagos encontrava-se com alimentos, e quanto ao grau de digestão, os alimentos estavam sempre semi-digeridos, em ambosos sexos. Com relação aos itens alimentares, ficou claro, que os camarões alimentam-se, preferencialmente, das microalgas, notadamente as diatomaceas, sobressaindo-se, Coscinodiscus centralis, Navicula spp., Nikschia spp., e de fragmentos de vegetais superiores (restos de gramíneas e mangues). Secundariamente, verificou-se nos estômagos, a presença de crustáceos, poliquetas e rotíferos. estando em sua maioria. semi-digeridos. Além desses organismos, se fizeram notar no bolo alimentar diversos sedimentos (grãos de areia), determinando um hábito alimentar de natureza bentônica e omnlvoro. Pelos resultados obtidos, verificou-se a grande importância que as microalgas desempenham na alimentação dos camarões ssp., uma vez que, a maioria dos organismos do conteúdo estomacal é constituída de diatomáceas bênticas e epífitas.
Efeito da suplementação dietética com probiótico na taxa de sobrevivência e contagens total e diferencial de hemócitos de juvenis de Macrobrachium rosenbergii mantidos em sistemas de água clara e experimentalmente infectados com Vibrio parahaemolyticus
(2019-12-04) Costa, Gisely Karla de Almeida; Silva, Suzianny Maria Bezerra Cabral da; http://lattes.cnpq.br/8569566022920336; http://lattes.cnpq.br/7944903151003071
Efeitos das diferentes rações micro encapsuladas, comerciais, na produção de pós-larvas do camarão branco, Penaeus schmitti (Burkenroad., 1936)
(1994) Valdes, Alcira Rosário Rodriguez; Mendes, Paulo de Paula; Arana, Luiz Vinatea
Avaliou se a influência de três rações microencapsuladas, comerciais, no crescimento, sobrevivência, biomassa e taxa de metamoforse das larvas do Penaeus schmitti, no Laboratório de Peneídeos da Universidade Federal de Santa Catarina (UFSC), em 1993. Foram utilizados nove tanques cilíndricos cônicos, de fibra de vidro, com capacidade de 30 litros cada. A densidade inicial do cultivo foi de 240 náuplios/litro, a uma temperatura de 25° C e salinidade de 35%. O delineamento experimental foi inteiramente casualizado, com três repetições As diferentes rações microencapsuladas não influenciaram significativamente na sobrevivência (74,13%) e na taxa de metamorfose pós-larval (74,99%), no entanto, promoveram diferentes crescimento e biomassa final (P<0, 05).
Influência do nível proteico das rações sob o desempenho zootécnico de Macrobrachium rosenbergii submetido a diferentes sistemas de cultivo
(2019-12-05) Abreu, Katariny Lima de; Porto Neto, Fernando de Figueiredo; http://lattes.cnpq.br/1475750525654086; http://lattes.cnpq.br/2239792686447463
Freshwater shrimp farming is a lucrative way to produce crustaceans. As the main species of freshwater shrimp farmed for commercial fins are Macrobrachium nipponense and Macrobrachium rosenbergii, due to their growing production or success in cultivating these animals is directly linked to the type of system to which they are being used. Thus, some alternative systems have emerged in order to minimize damage to the environment and increase the stocking density of animals, among them the biofloc cultivation (BFT - Biofloc Technology). Given the above, the objective was to evaluate the productive and zootechnical performance of Macrobrachium rosenbergii fed different levels of crude protein in autotrophic system and bioflocks during the nursery phase. The experiment obtained a completely randomized experimental design with a 2x2 factorial arrangement, the first factor being the different culture systems, clear water (AC) and bioflocks (BFT), and the second the protein levels of the diet (35 and 40%). Thus, obtaining the AC35, AC40, BFT35 and BFT40 treatments, with four replications for each treatment, the experiment lasted 80 days. The food offered to the animals was composed of commercial pelleted feed with 35% and 40% crude protein levels, offered three times a day. For water quality monitoring, temperature, dissolved oxygen and pH were measured twice a day (08: 00h and 16: 00h) with the aid of a multiparameter and ammonia, nitrite, nitrate, orthophosphate and sedimentable solids were measured weekly. The zootechnical performance of the shrimps was analyzed by weekly biometrics, where the parameters were measured as: final average weight, weight gain, feed conversion factor, final biomass and mortality. Data were analyzed using two-way variance (ANOVA) followed by the Tukey means comparison test at 5% probability using ASSISTAT version 7.6 software. The water quality variables of the different cultivation system (Biofloco and Água clear) were within the recommended levels for the optimal cultivation of the species. There was no significant effect on final average weight (FW), weight gain (WG) and specific growth rate (TBI); however, there was a significant difference (p <0.05) in relation to crude protein in the conversion factor. (FCA), survival (S) and final biomass (BF). Thus, it is concluded that the use of biofloc cultivation system allows the reduction of crude protein concentrations of the offered diet, without causing damage to the zootechnical performance variables of shrimp Macrobrachium rosenbergii, and may reduce the operating costs of the production system.