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| Registros recuperados: 233 | |
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| Llanes Iglesias, J.; Toledo Pérez, J.; Lazo de la Vega y Valdez, J.. |
| The objective of this study was to evaluate five half-moist diets with graded levels of chemical fish silage (40, 50, 60, 70 and 80 %) prepared with 2 % sulfuric acid 98 % (weigth/volumen), as a unique animal protein source. They were compared with a commercial food (20 % of fish meal), Clarias gariepinus feeding during 60 days. The experimental design was completely randomized and the statistical analysis of the results was done through analysis of variance and the results were compared through the Duncan test at 5 %. The results showed that indicators such as: growth, feed utilization and survival rate did not differ significantly (p > 0,05) between experiment diets, representing between $188,00 and 302, 00 USD/t saving at fingerling. |
| Tipo: Journal Contribution |
Palavras-chave: Feeding; Feeding; Http://aims.fao.org/aos/agrovoc/c_2838. |
| Ano: 2009 |
URL: http://hdl.handle.net/1834/3500 |
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| Jaime Ceballos, B.. |
| The high cost of using live microalgae and the variations in nutritional value during larval culture constitute a problem for any operation relying on the massive culture of unicellular microalgae. The price of Artemia cysts in the international market and the increasing demand in Cuba, due to the development of the shrimp culture industry, has made the search of feeding alternatives that can of satisfactory diminish the live food consumption in shrimp larviculture, essential. Spirulina platensis meal (SPM), produced commercially in Cuba, has optimal nutritional characteristics to be used as a food ingredient in any aquatic animal culture. For that reason in this thesis we set out to improve the efficiency in the production of Litopenaeus schmitti shrimp... |
| Tipo: Theses and Dissertations |
Palavras-chave: Feeding; Feeding; Http://aims.fao.org/aos/agrovoc/c_2838. |
| Ano: 2006 |
URL: http://hdl.handle.net/1834/1547 |
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| Toledo Pérez, J.; Botello León, A.; Llanes Iglesias, J.. |
| The objective of this work was to evaluate the biologic and economic effects of chemical fish silage as a unique animal protein source. Ensiled Opisthonema oglinum with three combinations of organic and inorganic acids: 3 % of formic acid; 2 % sulfuric acid 98 % and 2 % formic acid and other with 2,6 % phosphoric acid; 2,6 % of citric acid and 0,1 % of sodium benzoate. From each silage a moist diet was prepared and was compared with commercial food (20 % of fish meal) in Clarias gariepinus feeding during 60 days. There were not significant differences (p > 0,05), in growth, feed utilization and survival indicators. The economic analysis showed a fingerling production cost saves between 20 and 30 % for feeding concept. |
| Tipo: Journal Contribution |
Palavras-chave: Feeding; Feeding; Http://aims.fao.org/aos/agrovoc/c_2838. |
| Ano: 2009 |
URL: http://hdl.handle.net/1834/3449 |
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| Arias, J.; Santos, M.; Newmark Umbreit, F.. |
| Todos los organismos han desarrollado evolutivamente mecanismos que les permiten defenderse de otros, garantizar su permanencia temporalmente y evitar el ataque de depredadores. Uno de estos mecanismos es la defensa química, mediante la cual los depredadores potenciales de los organismos son disuadidos de consumir su presa. En este estudio se evaluó la capacidad disuasora de los extractos orgánicos crudos de quince esponjas marinas del Caribe colombiano, sobre el pez arrecifal generalista Stegastes partitus. Se encontró que el extracto de Cribrochalina infundibulum actuó como un atrayente para estos depredadores potenciales, mientras que sólo los extractos de las esponjas Dragmacidon reticulata, Petromica cyocaliptoides, Neopetrosia proxima, Myrmekioderma... |
| Tipo: Journal Contribution |
Palavras-chave: Sponges; Predators; Feeding; Chemical ecology; Feeding deterrents. |
| Ano: 2011 |
URL: http://hdl.handle.net/1834/4399 |
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| Deslous-paoli, Jean-marc. |
| On the contrary to the U. S. where they represent but 4.6% of the total marine production , mollusc, principally bivalves, can no longer be considered as a marginal production. In France, 100 000 ton of oysters, 98% of which is represented by Crassostrea gigas (Héral & al., 1985) and 85 000 ton of mussels (Mytilus edulis, Mytilus edulis galloprovincialis) (Dardignac, 1985) are produced yeraly. Elsewhere, new rearings are being developed, such as pectinidae and Ruditapes philippinarum, on the Atlantic and Mediterranean coasts. The species presently cultured, some of which dependiing only on natural collections (Crassostrea gigas, Mytilus edulis, Mytilus galloprovincialis while others depend on hatchery production, either partially Crasssotrea gigas in... |
| Tipo: Text |
Palavras-chave: Ruditapes decussatus; Ostrea edulis; Mytilus edulis; Crassostrea gigas; Bivalves; Physiology; Digestion; Feeding. |
| Ano: 1986 |
URL: http://archimer.ifremer.fr/doc/1986/acte-7476.pdf |
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| Pimentel, Leidiane Reis; Silva, Fabiano Ferreira da; Silva, Robério Rodrigues; Schio, Alex Resende; Rodrigues, Eli Santana de Oliveira; Oliveira, Paulo Andrade de. |
| This study aimed to evaluate the effect of including of palm kernel cake on feeding behavior of lactating crossbred cows. Twelve crossbred Holstein x Zebu cows were distributed in three 4 x 4 latin squares, with the following treatments: control; inclusion of 5%; inclusion of 10%; inclusion of 15% palm kernel cake in the diet dry matter. The animals were observed during four periods as to feeding behavior, 24 hours in each period. There was no effect of inclusion of palm kernel cake (p > 0.05) on time spent on eating, ruminating and idling. The feeding efficiencies of dry matter and corrected neutral detergent fiber, total digestible nutrients, and the rumination efficiency of corrected neutral detergent fiber were not influenced (p > 0.05). There... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Behavioral activities; Feeding; Feed efficiency; Dry matter; Idle; Rumination. |
| Ano: 2015 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/23391 |
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| Larson, R.J.. |
| LARSON, R.J., 1997. Feeding behaviour of Caribbean Scyphomedusae: Cassiopea frondosa (Pallas) and Cassiopea xamachana (Bigelow). Studies Nat. Hist. Caribbean Region 73, Amsterdam 1997: 43-54. Cassiopea frondosa and C. xamachana are carnivorous. Prey are filtered from the water by the pumping activity of the umbrella. Prey, predominantly small epibenthic crustaceans (0.2- 10 mm in length) are caught mostly by interception. However, some prey may impact on the oral surface through turbulence or by their own locomotion. Prey capture was essentially the same for both species, except that the vesicles take an active part in prey capture only in C. frondosa. Ingestion occurred after the digitate-fringed lips of the funnel-shaped oral ostia opened. The digitata... |
| Tipo: Article / Letter to the editor |
Palavras-chave: Feeding; Scyphomedusae; Prey selection; Puerto Rico.; Caribbean; Medusae; Cassiopea. |
| Ano: 1997 |
URL: http://www.repository.naturalis.nl/record/503184 |
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| Hahn,Norma Segatti; Delariva,Rosilene Luciana; Loureiro,Valdirene Esgarbosa. |
| With objective to know feeding spectrum of Acestrorhynchus lacustris (Reinhardt, 1874), a middle size predator in different places of influence area of Itaipu reservoir, stomach contents were analyzed. Samples were collected from March 1984 to February 1989 from Itaipu Reservoir and its adjacent areas. Its fed mainly on fishes, but it was an opportunistic (consumed 17 species of prey). Despite of the wide feeding spectrum, few preys were dominant in the diet, according to the different habitats sampled. As a result, it significant spatial differences in the diet was observed. Was observed through "Detrented Correspondence Analysis" (DCA) these were divided into three groups in relation with diet: preys from upstream, with higher scores; preys from the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Feeding; Predation; Characidae; Upper Paraná River; Itaipu Reservoir. |
| Ano: 2000 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132000000200010 |
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| Peretti,Danielle; Andrian,Izabel de Fátima. |
| Studies were performed on various aspects related to the feeding of Eigenmannia trilineata in the upper Paraná River floodplain, from June 1993 to July 1994, at four places with different types of bottom and waters speed. A number of 279 fish had its stomachal contents analyzed by occurence and point methods in which it was applied on its frequencies the feeding index. Two hundred an sixty two specimens were utilized to the analysis of the feeding activity that it was based on frequency and middle degree of stomach repletion. For the morfological analyse utilized 12 individuals. It was verified fourteen items on species diet which it was found chiefly Chironomidae (Diptera) and detritus. Seasonal, area variations were verified in feeding activity and the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Feeding; Eigenmannia trilineata; Pisces; Paraná River. |
| Ano: 1999 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131999000100011 |
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| LEITE,Rosseval Galdino; ARAUJO-LIMA,Carlos A.R.M.. |
| Information on larval fish feeding is essential for understanding their trophic relations, including the management in conditions totally or partially controlled by humans. An experiment was designed to evaluate the larval diets of three commercially important species. Four varzea-lakes and the adjacent river were sampled with bongo and hand nets from January 1993 to November 1995. Larval diets were evaluated by length-classes and capture sites, and were tested by two factor ANOVA. The larvae were feeding in all habitats, except in the flooded forests. The three species had different diets, which varied with their length and lake. The rotifers were the main initial food item of the three species, replaced by fish larvae in Brycon cephalus, cladocerans in... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Amazon; Brazil; Feeding; Fish larvae; Food size. |
| Ano: 2002 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672002000300499 |
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| ESTEVES,K. E.; PINTO LÔBO,A. V.. |
| Diet of 364 specimens of the dourado (Salminus maxillosus) was studied monthly at Cachoeira das Emas from November/1996 to May/1998, considered the breeding ground of this and other migrant fishes of Mogi-Guaçu River. Only adults were found at this site, and diet consisted exclusively of fish, with predominance of Leporinus sp. Seasonal variation in feeding activity was highest during some months of the rainy and hot season (September-December), when fish composition and number of prey species consumed also changed. These modifications were primarily attributed to an increase in food availability at the site of study during the rainy season, once most of the migrant species, including small Characidae concentrate there at this time of year. Apparently diet... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Salminus maxillosus; Feeding; Mogi-Guaçu River; Prey availability. |
| Ano: 2001 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-71082001000200009 |
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| Bittar,Vanessa Trindade; Awabdi,Danielle Rodrigues; Tonini,William Cristiane Teles; Vidal Junior,Manuel Vazquez; Di Beneditto,Ana Paula Madeira. |
| In the present study we analysed the proximate-composition and caloric values of the preferred prey consumed by ribbonfish, Trichiurus lepturus L. 1758 (adult females), that are distributed in the inner continental shelf from northern Rio de Janeiro State, southeastern Brazil (~22ºS), assessing the potential of nutritional and energetic approach as a tool to understand the feeding selective pattern of this marine top carnivore. The preferred prey of this predator composed of fish co-specifics, Pellona harroweri, Chirocentrodon bleekerianus, Lycengraulis grossidens, Peprilus paru, squid Doryteuthis plei, and shrimp Xiphopenaeus kroyeri were collected from 2007 to 2010 for proximate-composition (water, protein, lipid, ash, and carbohydrate) and caloric value... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Feeding; Marine fish; Prey composition; Seafood; Trichiuridae. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252012000100019 |
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| Oliveira,Ricardo Luís Mendes de; Santos,Leilane Bruna Gomes dos; Silva Neto,Nelson Gomes da; Silva,Scarlatt Paloma Alves da; Silva,Felipe dos Santos; Melatti,Enrique; Cavalli,Ronaldo Olivera. |
| ABSTRACT The effects of feeding rate and feeding frequency on the growth of laboratory-reared common snook (Centropomus undecimalis) were evaluated. Juveniles with mean±SD weight of 2.55±0.48 g and total length of 6.81±0.48 cm were divided into groups of 20 fish and reared in 30 polyethylene tanks of 50 L for 60 days. The experimental design was a 3 × 3 factorial with three feeding frequencies (F2, F4, and F6: two, four, and six daily meals, respectively), three feeding rates (R1, R2.5, and R4: 1.0, 2.5, and 4.0%/day of fish biomass, respectively), and three replicates, totaling nine treatments (F2R1, F2R2.5, F2R4; F4R1, F4R2.5, F4R4; F6R1, F6R2.5, and F6R4). The external control consisted of four meals a day offered to apparent satiety (F4S). Every 15... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aquaculture; Feeding; Feed management; Marine fish farming. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982019000100152 |
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| Registros recuperados: 233 | |
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