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Characterization and evaluation of the impact of feed management on the effluents of Nile tilapia (Oreochromis niloticus) culture
Baccarin, Ana Eliza;Camargo, Antonio Fernando Monteiro;
Brazilian Archives of Biology and Technology , 2005, DOI: 10.1590/S1516-89132005000100012
Abstract: the objective of this study was to evaluate the effect of different feed management on the quality of effluent water generated in nile tilapia (oreochromis niloticus) culture ponds. feed was supplied as follows: natural food, and pelleted, extruded or minced ration. the study was conducted during 19 weeks in 12 continuous water exchange ponds of 300 m2 each, with a population of male nile tilapia juveniles, in a density equal to 1.7 fish m-2. feeds contained 30% crude protein, 3,000 kcal digestible energy, and were supplied twice a day. natural food consisted of chicken manure. temperature, dissolved oxygen, ph, total phosphorus, total nitrogen, chlorophyll a and suspended solids were monitored weekly in the supplying and effluent water. water residence time was also determined for the ponds. in general, effluent water quality decreased in all treatments.
Toracotomia em eqüinos
BACCARIN, Raquel Yvonne Arantes;ALVARENGA, José de;
Brazilian Journal of Veterinary Research and Animal Science , 1999, DOI: 10.1590/S1413-95961999000600002
Abstract: six healthy equine were used to evaluate surgical technique of thoracotomy; surgical access to the right hemithorax was assured by anesthesia with mechanical controlled ventilation. the technique employed resulted in intense and diffuse bleeding throughout the muscular layers and provided easy approach to elevate the periosteum of the rib to be partially excised. after undoing of the negative thoracic pressure, pulmonary expansion was adequate, as assessed by visual examination. the bone endings provided good support and stability to the muscular sutures, and the suture material was of enough strength to support different degrees of tension. the technique allowed surgical procedures to be carried out in the horse?s cranial and accessory pulmonary lobes as well as satisfactory exploration of the right pleural cavity. the suture methods employed were efficient and no signs of respiratory distress or pneumothorax were observed.
Efeito da utiliza??o da levedura desidratada de álcool em dietas para tilápia-do-nilo
Baccarin, Ana Eliza;Pezzato, Luiz Edivaldo;
Pesquisa Agropecuária Brasileira , 2001, DOI: 10.1590/S0100-204X2001000300021
Abstract: this study aimed to evaluate the effects of molasses yeast (saccharomyces cerevisae) as replacement for vitamin premix in diets for nile tilapia (oreochromis niloticus). three hundred sex-reversed, all-male fingerlings, averaging 1.5 g live weight, were stocked in 20 circular 270-l biofilter equipped fiberglass tanks (15 fish/tank). they were fed to satisfaction twice a day with a 32% crude protein diet for 40 days, followed by a 28% crude protein diet for 74 days. test diets were prepared to contain at least 10% of yeast as replacement for the vitamin premix, and a diet without yeast was used as control. five treatments were arranged in a completely randomized design with four replications. no significant differences were observed in regard to weight gain and specific growth rate. high mortality was observed on groups fed with diets without vitamin premix supplementation. fish fed with yeast-containing diets presented reduced body protein and increased body lipids as compared to fish fed with the control diet. molasses yeast is suited to replace water-dissolvable vitamins in diets of nile tilapia fingerlings.
Efeito da utiliza o da levedura desidratada de álcool em dietas para tilápia-do-nilo
Baccarin Ana Eliza,Pezzato Luiz Edivaldo
Pesquisa Agropecuária Brasileira , 2001,
Abstract: Este trabalho teve como objetivo avaliar o efeito da levedura desidratada de álcool (Saccharomyces cerevisae) como substituto do suplemento vitamínico, em dietas de tilápia-do-nilo (Oreochromis niloticus). Trezentos alevinos machos, sexualmente revertidos, com peso médio de 1,5 g, foram distribuídos igualmente em 20 aquários de fibra de vidro, equipados com filtro biológico. Cinco dietas isoprotéicas com 32% de proteína bruta na primeira fase (40 dias) e com 28% de proteína bruta na segunda fase (74 dias) foram fornecidas ad libitum, duas vezes ao dia. A dieta-controle n o conti-nha levedura, e as demais apresentavam 10% de levedura. O delineamento foi inteiramente casualizado, com cinco tratamentos e quatro repeti es. N o houve influência significativa dos tratamentos sobre o ganho de peso e taxa de crescimento específico. Foi observada, nos peixes alimentados com dietas sem suplemento vitamínico, alta mortalidade. Os peixes que receberam levedura apresentaram menor conteúdo corporal de proteína, e maior, de lipídeos. A levedura desidratada de álcool pode ser usada como fonte de vitaminas hidrossolúveis em dietas para alevinos de tilápia-do-nilo.
The cross-sectional area of the superficial digital flexor tendon of trained and untrained Thoroughbred racehorses
Reis, Ana Guiomar Matos Santiago;Baccarin, Raquel Yvonne Arantes;
Ciência Rural , 2010, DOI: 10.1590/S0103-84782010000800018
Abstract: twenty thoroughbred racehorses were ultrasonographically evaluated to determine the relation between normal values of the cross-sectional area (csa) of the right and left forelimbs superficial digital flexor tendons (sdft) in the metacarpal region for trained and untrained thoroughbreds racehorses. ultrasonography revealed that csa at 26cm distal to the accessory carpal bone is larger than other proximal levels, for either left or right forelimbs. in addition, the csa at 2, 4, 6, 8, 10, 12 and 14cm distal to the accessory carpal bone of the left forelimb are larger (p<0.05) for trained horses when compared with untrained horses. on the other hand, there was no significant difference (p>0.05) between left and right forelimb for csa of the sdft, at any level, for either trained or untrained horses, and there was no significant difference between untrained or trained horses for the csa of right forelimb. in conclusion, the csa of the left forelimb sdft for horses that had been in continuous race training remains larger when they were trained anticlockwise, contrary to horses that had not been training for more than one year.
Técnica de citometria de fluxo para avalia??o da produ??o de espécies reativas de oxigênio pelas células do líquido sinovial de eqüinos
Massoco, C.O.;Carmona, L.;Baccarin, R.Y.A.;
Arquivo Brasileiro de Medicina Veterinária e Zootecnia , 2006, DOI: 10.1590/S0102-09352006000400032
Abstract: using the cytometry flow analysis and adapting the method proposed by hasui et al. (1985), it was possible to quantify the reactive oxygen species (roe) produced by distinct cell populations of the synovial fluid from rigid and inflamed joints in horses, and to identify an increase in the polymorphonuclear cells population densities in the inflamed joints. these data strengthen the premise that cytometry flow techniques can contribute for future researches on the articular cartilage degeneration in horses.
Associa??o de métodos fisioterapêuticos para o tratamento da doen?a metacarpiana dorsal em eqüinos
Caldeira, Simone Isler Ferraz Bravo;Prado-Filho, José Roberto Cintra do;Baccarin, Raquel Yvonne Arantes;
Ciência Rural , 2006, DOI: 10.1590/S0103-84782006000300022
Abstract: dorsal metacarpal disease affects 70 to 80% of thoroughbreds during the first year of training, causing lameness and interruption of training. the aim of this study was to evaluate the efficacy of a non-pharmacological, non-invasive treatment that could shorten the recovery period and healing time. thirteen thoroughbreds (24 limbs) diagnosed with dorsal metacarpal disease were treated and evaluated during a period of 30 days. the physical therapy consisted of cryotherapy, photon therapy, electrical stimulation and ultrasound therapy. there was prompt reduction in pain, local heat and degree of lameness. after 7 days of treatment, 71% of the cases showed no lameness. radiography and ultrasonography were employed to evaluate healing. results showed significant anti-inflammatory and analgesic effects with faster return to training. the physiotherapeutic protocol proposed favors its applicability in equine medicine.
Líquido sinovial da articula??o femuropatelar após desmotomia patelar medial experimental em eqüinos
Martins, Edivaldo Aparecido Nunes;Silva, Luís Cláudio Lopes Correia da;Baccarin, Raquel Yvonne Arantes;
Ciência Rural , 2007, DOI: 10.1590/S0103-84782007000300028
Abstract: medial patellar desmotomy (mpd) is a common treatment for upward fixation of the patella (ufp). it is easy to perform, and in most cases results are immediate. however, joint changes after mpd have been described. the purpose of this study is to use synovial fluid evaluate the effects of mpd in horses subjected to restricted exercis in the first 120 days postoperatively. eight sounds adult horses, weighing from 350 to 480kg, were used in the study. the selected animals had no history of lesions in the femuropatellar joint and did not demonstrate lameness on physical examination or after hind limb flexion tests. right medial patellar desmotomy was performed on each horse. the synovial fluid was obtained by arthrocentesis during the selection phase and after surgery on days 15, 30, 60, 90 and 120. synovial fluid color, viscosity, total protein, and nucleated cell count and diferential leukocyte count was analysed. the poor viscosity on day 30 was the highest significative change from synovial fluid on the horses subject to medial patelar desmotomy and maintened in rest for 120 days.
Influência do exercício na indu??o da apoptose e necrose das células do líquido sinovial de eqüinos atletas
Rasera, Luciane;Massoco, Cristina O.;Landgraf, Richardt G.;Baccarin, Raquel Y.A.;
Pesquisa Veterinária Brasileira , 2008, DOI: 10.1590/S0100-736X2008000500001
Abstract: the effects of biomechanical stress on inflammatory and adaptative responses of articular tissues in athletic horses were investigated. synovial fluid was collected from the metacarpophalangeal joints of athletic horses before exercise and 3, 6, 24 hours after exercise, and as well as from the control group (without exercise). apoptosis/necrosis percentage, tnf-a and pge2 were determined by annexin v/pi assay, bioassay (l929) and elisa, respectively. the results showed that total leukocyte count was higher in the athletic group when is compared with the control group. three hours after the exercise was done there were increases of cellular apoptosis (p>0.05) and necrosis (p<0.05) percentage, pge2 concentration (p<0.05) and protein concentration (p<0.05), and the tnf-a level has dropped. the athletic group showed moderate level of joint inflammation after the strenuous exercise. this articular tissue response to biomechanical insult due to the exercise, with high intensity after 3 hours after training associated with normality after 24 hours, reveals the articular adaptation to physical stress in athletic horses.
Análise morfoanat?mica das partes aéreas de Wedelia paludosa DC. (Acmela brasiliensis, Sphagneticola trilobata), Asteraceae
Baccarin, Thaisa;Czepula, Alexandra I.;Ferreira, Renê A.;Lucinda-Silva, Ruth M.;
Revista Brasileira de Farmacognosia , 2009, DOI: 10.1590/S0102-695X2009000400018
Abstract: this study aimed to establish parameters for morphoanatomical analysis of the aerial parts (stem and leaves) of the plant wedelia paludosa dc., asteraceae. the drug and its respective powder were characterized by macro and microscopic analysis after obtaining semi-permanent lamina of transverse and paradermal sections. the powder was analyzed after being cleared with chloral hydrate. it is an herbaceous plant with reddish-brown stems, opposite leaves, short-petiolated and membranous, with hair on both faces, narrowed towards the base up the middle provided with two small lateral lobes and a, large and jagged terminal. the plant has circular cross-section of stem, in which the primary growth, has epidermis, angular collenchyma, cortical parenchyma and vascular cylinder, as well as calcium oxalate (several clusters and some prismatic crystals). the leaf is simple, containing trichomes and stomata. the mesophyll has dorsiventral organization and the midrib, in cross section presents concave-convex face with three bundles and presence of calcium oxalate in parenchymal cells. in the powder was found the same structures observed in microscopic drug erased. the morphoanatomical parameters established in this work allow the macro and microscopic quality control of power and sectioned drug.
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