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Dissertations / Theses on the topic 'Stocking density'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

North, Benjamin Paul. "Effects of stocking density on the welfare of farmed rainbow trout (Oncorhynchus mykiss)." Thesis, University of Stirling, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.417679.

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Campbell, Mackenzie Andrew. "Interaction Of Stocking Density And The Feeding Environment In Lactating Holstein Dairy Cows." ScholarWorks @ UVM, 2017. http://scholarworks.uvm.edu/graddis/776.

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Stocking density serves as a sub-clinical stressor impacting natural behavior and affective state of dairy cows. However, cows rarely experience stocking density as an isolated stressor. Understanding the effects of stocking density with additional management stressors such as low-fiber diets or feed restriction is the next step in alleviating stress and improving the well-being of lactating dairy cows housed in freestall barns. The overall goal of this dissertation was to evaluate the interaction of stocking density and the feeding environment on short-term production, behavioral, ruminal fer

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3

Nicholson, Gareth Hurst. "Towards understanding the effects of stocking density on farmed South African abalone, Haliotis Midae." Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/d1015646.

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The profitability of abalone farms is heavily influenced by their production per unit of grow-out space. With farms having physically expanded to the maximum, and with increasing production costs, one of the most realistic ways for farms to increase their production is through optimizing stocking densities. The effect of stocking density on Haliotis midae performance is undocumented and optimal stocking densities for this species have not been determined. Experiments were conducted under farm conditions to investigate the effects of four different stocking densities (16 %, 20 %, 22 % and 24 %

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Glenney, Gavin W. "Comparisons of tilapia seed production under various broodstock densities and fry stocking densities." Thesis, This resource online, 1996. http://scholar.lib.vt.edu/theses/available/etd-08292008-063206/.

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5

Garner, Alan Brad. "High-Density Grass Carp Stocking Effects on a Reservoir Invasive Plant, Water Quality, and Native Fishes." NCSU, 2008. http://www.lib.ncsu.edu/theses/available/etd-09132008-145505/.

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Stocking grass carp Ctenopharyngodon idella is a commonly applied technique used to control nuisance aquatic vegetation in reservoirs. Factors that influence the degree of aquatic vegetation control are stocking density, regional climate, abundance and species composition of the aquatic plant community, and relative grass carp feeding preferences for the plant species. We evaluated high-density grass carp stocking in a reservoir for control of parrot-feather (Myriophyllum aquaticum, an invasive aquatic plant that is not preferentially consumed by grass carp) and the associated effects on water

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Pence, Kristen Jean. "The effects of dietary forage, social hierarchy, and stocking density on stress in lactating cows during relocation." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/33830.

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The objective of these studies was to determine the effects of forage fiber, social hierarchy, and stocking density on stress in lactating cows during relocation to new dairy facilities. In experiment one, 23 lactating cows were fed a basal ration, or the basal ration plus grass or alfalfa hay at 10% of DM offered from 3 wk pre-move to 9 wk post-move. In experiment two, 17 lactating cows were housed together before and after relocation and evaluated for dominance rank. In experiment three, 44 cows were housed together before relocation, then in pens of varying stocking density (0.67, 0.83, 1.0

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Johnston, Gavin. "Effect of feeding regimen, temperature and stocking density on growth and survival of juvenile clownfish (Amphiprion percula)." Thesis, Rhodes University, 2001. http://hdl.handle.net/10962/d1005118.

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In aquaculture, a thorough knowledge of the specific environmental requirements of a species is needed in order to maximize growth rate and survival. There is a paucity of data regarding the fundamental environmental requirements for the ongrowing phase of clownfish juveniles. This prompted the design of three experiments to determine the best feeding regimen, temperature and stocking density that maximize growth and survival of Amphiprion percula. Ration size and feeding frequency are important factors for optimizing fish growth during the juvenile grow-out phase. A factorial growth trial was

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8

Anderson, Mallory Grace. "Chicken or fish? Do environmental complexity and stocking density impact affective states of broiler chickens and rainbow trout?" Thesis, Virginia Tech, 2021. http://hdl.handle.net/10919/105133.

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In commercial settings, broiler chickens and rainbow trout are housed in barren environments under high stocking densities, due to an emphasis on production efficiency. These monotonous housing conditions do not provide broilers or trout with the ability to perform functional, highly-motivated behaviors and increase their susceptibility to excessive anxiety and fear, resulting in negative affective states and poor animal welfare. Affective state (or emotional state) is a cumulative product of short-term life experiences, ranging from positive to negative. Because affective states are largely i

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Rubio, Zuazo Ana Maria, and anarubio zuazo@gmail com. "Environmental influences on the sustainable production of the Sydney rock oyster Saccostrea glomerata : a study in two southeastern Australian estuaries." The Australian National University. Centre for Resource and Environmental Studies, 2008. http://thesis.anu.edu.au./public/adt-ANU20080618.091057.

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There has been a continuous decline in both the production and general performance of the SRO in NSW estuaries over the past three decades. The relationship of this decline to both environmental and oyster-density related factors are assessed in this thesis. This question has been examined at different scales: a large scale that compares two different estuaries (Clyde and Shoalhaven Rivers, southern NSW); a regional scale that encompasses variations within an estuary and, at a lease scale that examines processes pertaining to individual or small groups of oysters. Levels of inorganic nutrients

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Talebi, Aniseh. "The effects of regrouping and stocking density on social behaviour, lying behaviour and locomotor activity of mid and late lactation dairy cows." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/35738.

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In free-stall systems cows are frequently moved among pens and regrouped. This practice involves individuals being mixed with unfamiliar cows, and stocking density often varies from before to after regrouping. Two separate lines of evidence suggest that regrouping and changing densities have negative impacts on cows welfare; but no study to date has assessed the combined effects. The aim of this study was to test the effect of changes in stocking density at the time of regrouping on the competition, feeding and lying behaviours and locomotor activity of dairy cows. By manipulating group size (

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11

Silva, Liliane Severino da. "Tiller population density and demography dynamics of Convert HD 364 brachiariagrass in response to canopy height and growth rate under continuous stocking." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/11/11139/tde-13112015-110013/.

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Pasture-based livestock production is one of the major economic activities in Brazil. In general, the adoption of new forage materials by producers happens before enough information about their characteristics is generated, compromising their use in commercial systems. An experiment was conducted in Piracicaba, Brazil (22º42\' S, 47º30\' W, 580 m asl.), during two summer growing seasons, with the objective to describe and explain the tillering dynamics of the hybrid brachiariagrass Convert HD 364 (Brachiaria hybrid CIAT 36087) under continuous stocking and variable stocking rate. Responses stu

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Pontin, Mariana Caroline Furian. "Proteção antioxidante do colostro bovino em células intestinais de juvenis de pacu (Piaractus mesopotamicus) submetidos a estresse." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/11/11139/tde-14082018-102616/.

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O estresse causa modificações no epitélio intestinal, tais como o aumento de células caliciformes e da taxa de apoptose. O uso de alimentos nutracêuticos tem sido uma alternativa para amenizar essas modificações sobre o tecido epitelial. Desta forma, este trabalho teve como objetivo avaliar se a inclusão de colostro bovino, o qual é constituído de fatores antioxidantes, imunes e de crescimento, seria capaz de amenizar as consequências do estresse crônico sob o intestino. Para isso, juvenis de pacu (Piaractus mesopotamicus) adensados a 50 kg/m3 foram alimentados duas vezes ao dia até a saciedad

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Marquardt, Svenja. "Activity and plant selection patterns of free-ranging cattle in Southern Bolivian mountain forests, and the impact of cattle stocking density on the woody vegetation /." [S.l.] : [s.n.], 2009. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=18305.

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Silva, JÃssica Lucinda Saldanha da. "Optimum rate of juvenile feeding of Nile tilapia (Oreochromis niloticus) grown in artificial substrate based system in different density storage." Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=11228.

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CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior<br>The feeding rates practiced in fish cultured directly influence the economic return of activity, because excessive rates result in zootechnical, economic losses and environmental. An alternative for improving the quality of crop water and increase the production of fish is the use of artificial substrates for colonization by periphyton. This study was conducted in two consecutive phases. The first phase of research was aimed at determining, in fish farming system based substrate, the optimal rate of feeding in each track of body we

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Costa, Beatriz Braun. "Densidade de estocagem de lambari (Astyanax altiparanae) em tanques-rede." Universidade Federal de São Carlos, 2011. https://repositorio.ufscar.br/handle/ufscar/7003.

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Made available in DSpace on 2016-08-17T18:39:44Z (GMT). No. of bitstreams: 1 4573.pdf: 2386349 bytes, checksum: 7ed71a71bbb8a21974731217325807a0 (MD5) Previous issue date: 2011-12-13<br>Financiadora de Estudos e Projetos<br>With the increased interest in growing native fish species the tetra has been highlighted nationally in the marketing of fish facing the two niche markets: as a snack in bars and restaurants and other natural bait for sport fishing. Therefore, studies on the stocking density are needed for better understanding in response to performance than can affect the growth, nutriti

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Marimon, Bruno Teixeira. "Desempenho de leitões submetidos a diferentes densidades durante a fase de creche." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2018. http://hdl.handle.net/10183/178240.

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O objetivo deste estudo foi avaliar o efeito da densidade sobre o desempenho e o comportamento de leitões na fase de creche. Um total de 560 leitões desmamados (peso médio de 5,75 ± 0,9 kg e idade média de 20,92 ± 0,8 dias) foram aleatoriamente alojados em quatro tratamentos com diferentes densidades: T0,33, T0,28, T0,23 e T0,18 (0,33, 0,28, 0,23 e 0,18 m²/animal respectivamente). As baias continham 20 animais e a ração foi fornecida à vontade. As lesões de cauda e orelha foram graduadas em escores de 0 a 4 e o número de lesões de briga foram avaliados semanalmente. Dezesseis baias foram filma

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Woolpert, Melissa Elizabeth. "Management Practices and Communication Strategies to Improve Milk Fat and Protein Content on Dairy Farms." ScholarWorks @ UVM, 2016. http://scholarworks.uvm.edu/graddis/594.

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Dairy farmers in the Northeastern Unites States are paid based on the amount of fat and protein in their cows' milk, and improving fat and protein production is linked with improved financial sustainability for dairy farms. However, not all farmers are motivated to make changes to increase milk fat and protein production. Previous research has identified a positive correlation between a group of fatty acids, known as the de novo fatty acids, and the fat and protein content of bulk tank milk from commercial dairy farms. Therefore, the first objective of this research was to explore the relation

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Ferreira, Eric Silva. "Efeitos do substrato e da densidade populacional sobre as atividades comportamentais e n?veis de hom?citos em rela??o ? densidade em Litopenaeus vannamei (BOONE, 1931)." Universidade Federal do Rio Grande do Norte, 2006. http://repositorio.ufrn.br:8080/jspui/handle/123456789/17363.

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Made available in DSpace on 2014-12-17T15:37:19Z (GMT). No. of bitstreams: 1 EricSF.pdf: 350001 bytes, checksum: 9fc8363dd4359a5ba205b8e441f4895c (MD5) Previous issue date: 2006-06-28<br>Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico<br>Carciniculture in Brazil occupies world-wide prominence due to shrimp culture, and the state of Rio Grande do Norte has presented the best results in the culture of the Litopenaeus vannamei in the last decade. This species has been shown to adapt easily to different environments and is between the five most cultivated penaeids of the world. The

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Richard, Alexandre. "Régulation densité-dépendante des juvéniles de truites Salmo trutta sous l'effet du rempoissonnement : implications pour la gestion." Phd thesis, Université de Grenoble, 2014. http://tel.archives-ouvertes.fr/tel-01064492.

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Les salmonidés sont des poissons territoriaux en rivière, soumis à une compétition intense pour l'habitat et la ressource trophique dès les plus jeunes stades. Ces interactions exercent une influence sur la mortalité, la migration et la croissance, avec des intensités variables en fonction de l'ontogénie et des facteurs environnementaux. En Suisse, la truite Salmo trutta L. est l'espèce la plus prisée par les pêcheurs amateurs. La majeure partie des populations fait l'objet de rempoissonnements à partir de juvéniles " estivaux " relâchés au cours de leur premier été. L'élevage en pisciculture

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20

Silva, Wilton Ladeira da. "Morfogênese, características estruturais e acúmulo de forragem em pastos de capim-Tifton-85 manejados com diferentes IAF residual /." Jaboticabal : [s.n.], 2010. http://hdl.handle.net/11449/96545.

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Orientadora: Ana Cláudia Ruggieri<br>Banca: André Fischer Sbrissia<br>Banca: Kleber Tomás de Resende<br>Resumo: A produção de forragem é influenciada pelas estratégias de manejo impostas a ela, desta maneira, as técnicas para identificação do melhor momento para início e término do pastejo, aliadas aos estudos das características morfogênicas e estruturais das plantas, tornam-se úteis para direcionamento do manejo, pois buscam auxiliar no melhor entendimento do crescimento vegetal, e por conseqüência, da produção forrageira. O experimento foi realizado no setor de Forragicultura, em área perte

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Lorenz, Evandro Kleber. "Densidade de estocagem de piracanjuba (Brycon orbigniannus) em tanques-rede de pequeno volume." Universidade Estadual do Oeste do Paraná, 2010. http://tede.unioeste.br:8080/tede/handle/tede/1611.

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Made available in DSpace on 2017-07-10T17:48:19Z (GMT). No. of bitstreams: 1 Evandro_Kleber_Lorenz.pdf: 2851299 bytes, checksum: e8177ab9b556d239d3038a5b4241bdca (MD5) Previous issue date: 2010-02-23<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The density of stocking (DS) is a factor that can affect the development of fish. The aim of this current study was to analyze the effect of DS over the survival, weight, growth, and biomass hematology and chemical composition of juveniles Brycon orbignyannus farmed in cages. The experiment was realized in the area of transition

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Dahlström, Anna. "Betesmarker, djurantal och betestryck 1620-1850 : naturvårdsaspekter på historisk beteshävd i Syd- och Mellansverige /." Uppsala : Department of Economics, Swedish University of Agricultural Sciences, 2006. http://epsilon.slu.se/200695.pdf.

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23

Miljan, Veljić. "Svetlosni program, gustina naseljenosti i sastav obroka u funkciji proizvodnih parametara,kvaliteta mesa i dobrobiti brojlerskih pilića." Phd thesis, Univerzitet u Novom Sadu, Poljoprivredni fakultet u Novom Sadu, 2016. https://www.cris.uns.ac.rs/record.jsf?recordId=101567&source=NDLTD&language=en.

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Cilj istraţivanja bio je da se ispita uticaj svetlosnog programa (konstantnog – KS i opadajuĆe- rastuĆeg - ORS), gustine obroka i gustine naseljenosti i njihove interakcije na proizvodne i klaniČne osobine brojlerskih piliĆa, kvalitet mesa i o&scaron;teĆenje tabanskih jastuČiĆa.Istraţivanja su sprovedena na farmi piliĆa Donji Crnci nadomak Podgorice u tri ogleda: u prvom su ispitivani efekti svetlosnog programa i gustine obroka, u drugom programi svetla i gustina naseljenosti piliĆa, a u treĆem program svetla i gustina obroka (sme&scaron;e sa standardnim i poveĆanim sadrţajem energije i

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Vaz, Luciano Jensen. "Produção e transporte do camarão rosa Farfantepenaeus brasiliensis para a pesca amadora: uma alternativa sustentável?" Universidade Federal de São Carlos, 2012. https://repositorio.ufscar.br/handle/ufscar/1785.

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Made available in DSpace on 2016-06-02T19:29:53Z (GMT). No. of bitstreams: 1 4559.pdf: 2430892 bytes, checksum: d154b35d326d05be2db06928cf07eaa6 (MD5) Previous issue date: 2012-05-30<br>Financiadora de Estudos e Projetos<br>As well as being popular and growing worldwide, sport fisheries are considered an important recreational, economic and social activity that propels a wide production chain and generates employment and income. The major species of marine shrimp used as live bait in the Brazilian coast used as live bait in sport fishing are: white shrimp Litopenaeus schmitti and pink shrimp

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Queiroz, Livia Maria Soares. "Análise de densidades de alojamento nos sistemas convencional e cage-free de produção de ovos comerciais." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/10/10135/tde-13042018-105108/.

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Inovação em produção animal tem sido cada vez mais exigido pelos consumidores. No ambito de produção de postura, a maior demanda é por ovos provenientes de sistemas alternativos às gaiolas tradicionais, majoritariamente pelas tendencias observadas na Europa, e dessa forma, pesquisas ressaltando a realidade brasileira estão sendo realizadas. O objetivo deste estudo foi avaliar parametros produtivos e de bem-estar em dois contextos de sistemas produtivos, sob variadas densidades de alojamento. Para isso 250 aves Lohmann Brown® foram distribuídas em delineamento inteiramente casualizado (DIC)

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Silva, Wilton Ladeira da [UNESP]. "Morfogênese, características estruturais e acúmulo de forragem em pastos de capim-Tifton-85 manejados com diferentes IAF residual." Universidade Estadual Paulista (UNESP), 2010. http://hdl.handle.net/11449/96545.

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Made available in DSpace on 2014-06-11T19:28:22Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-02-26Bitstream added on 2014-06-13T19:36:49Z : No. of bitstreams: 1 silva_wl_me_jabo.pdf: 738598 bytes, checksum: 3bab2246fd6bc478a66e3929f5f28058 (MD5)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>A produção de forragem é influenciada pelas estratégias de manejo impostas a ela, desta maneira, as técnicas para identificação do melhor momento para início e término do pastejo, aliadas aos estudos das características morfogênicas e estruturais das plantas, tornam-

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Hansen, Per. "Potentiell koppling mellan elektrolys och landbaseradfiskodling : En analys av behov och tillgång på syrgas och värme." Thesis, Högskolan i Gävle, Miljövetenskap, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-36512.

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Det kommer ske en stor utbyggnad av elektrolys för produktion av vätgas i Sverigeoch övriga världen. För att sänka produktionskostnaden och därmed göra vätgasenbilligare analyserar denna rapport vilket behov av syrgas och värme som en landbaserad fiskodling har, samt hur mycket syrgas och värme fiskodlingen skulle behövaköpa från en elektrolysör. Analysen visar att de arter som används i studien - tilapia(Oreochromis, Oreochromis,. Alcolapia), regnbåge (Oncorhynchus mykiss) och lax(Salmo salar) - i en odling som producerar 40 ton fisk om året skulle förbruka cirka1,16 procent av syrgasen och c

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Reis, L?gia Garcia. "Efeito da salinidade, densidade de estocagem e da infec??o hipodermal e necrose hematopoi?tica (IHHN) na imunidade do camar?o Litopenaeus vannamei cultivados em fazendas do Rio Grande do Norte." Universidade Federal do Rio Grande do Norte, 2008. http://repositorio.ufrn.br:8080/jspui/handle/123456789/13044.

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Made available in DSpace on 2014-12-17T14:10:18Z (GMT). No. of bitstreams: 1 LigiaGR.pdf: 427991 bytes, checksum: fd90b864e24611c634c5ec114b00d8f7 (MD5) Previous issue date: 2008-08-29<br>The main problem faced by the shrimp industry are the infectious diseases. The hypodermal and hematopoietic necrosis infection (IHHN) is one of the major cause of disease in the cultured shrimp, Litopenaeus vannamei. Environmental changes involving water quality, oxygen concentration, salinity, temperature, stocking density, presence of pathogens, among others, triggering a stressing condition for the cult

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Franco, Sofia Cota. "Effects of stocking density on A. tonsa (Copepoda: Calanoida) culture." Master's thesis, 2009. http://hdl.handle.net/10400.1/435.

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Dissertação de Mestrado, Aquacultura e Pescas, Faculdade de Ciências e Tecnologia, Universidade do Algarve, 2009<br>A nutrição é um elemento chave na larvicultura marinha e pesquisas recentes têm demonstrado as vantagens do uso de copépodes como alimento vivo. Acartia tonsa é uma espécie de copépode calanóide com elevado potencial de cultivo, mas cuja densidade de cultivo permanece como uma das principais restrições à sua futura produção comercial. Como tal, este estudo recorreu a uma abordagem integrada com vista a avaliar os efeitos da densidade de cultivo no crescimento, produção de ov

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Lu, Wen Jie, and 盧文杰. "Effects of stocking density on kuruma prawn, penaeus japonicus, growout ecosystem." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/33044547119841972532.

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CHEN, QIU-JIN, and 陳秋錦. "The effects of stocking density on tiger prawn (Penaeus monodon) growout systen." Thesis, 1990. http://ndltd.ncl.edu.tw/handle/47423486168736101226.

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"INTERACTION OF ALCALINITY AND STOCKING DENSITY FOR SILVER CATFISH Rhamdia quelen JUVENILES (HEPTAPTERIDAE)." Tese, Biblioteca Digital de Teses e Dissertações da UFSM, 2005. http://coralx.ufsm.br/tede/tde_busca/arquivo.php?codArquivo=25.

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Wu, Chen-Yu, and 吳鎮宇. "Farming and Economics of Chinese mitten crab (Eriocheir sinensis) in Stocking Density in Taiwan." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/9pt72j.

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碩士<br>國立臺灣海洋大學<br>水產養殖學系<br>105<br>This research will focus on the Chinese Mitten Crab industry in Taiwan and take a closer look at the issues to search the key factor of the development. As a reference for industry development. Study the biological and economic information for the farming process by questionnaire survey, and apply a statistical theory to analysis. The results show that the average stocking density of the Chinese mitten crabs in Taiwan was 1,996 crabs/ha. The average culture cycle was 7.9 month and the average surival rate was 28.2％. According to the view of productice economi

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Ssu, Kuo-Wei, and 斯國威. "Effect of Stocking Density on the Hog Performance and Validation of a Pig Growth Model." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/09377690521007262916.

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TSAI, JIN-FENG, and 蔡金峯. "The effects of Stocking Density and Feeding Frequency on Cannibalism in Epinephelus lanceolatus×Epinephelus fuscoguttatus." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/k578g5.

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碩士<br>國立高雄海洋科技大學<br>水產養殖研究所<br>106<br>The study aims to develop the techniques for larvae rearing of Brindle Grouper (Epinephelus lanceolatus × Epinephelus fuscoguttatus) and investigate the effects of stocking density and feeding frequency on cannibalism. In experiment one, the effects of stocking density on survival, percent weight gain, feed intake, size heterogeity and cannibalism were examined. Six experiment groups were cultured for one week at different densities: 5 fish/L, 10 fish/L, 20 fish/L, 30 fish/L, 40 fish/L and 50 fish/L. The fishes were fed four times daily (6:00,10:00,15:00,1

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Huang, Wen-Bin, and 黃文彬. "The Effect of Stocking Density on Growth, Survival, and Size Variation of Fry: Common Carp and Tilapia." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/66826755745944340059.

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Shiau, Jyh-Yeuan, and 蕭智遠. "Effects of stocking density and feeding pattern on growth and survival of the hard clam, Meretrix lusoria." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/94874133119860487323.

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碩士<br>國立臺灣海洋大學<br>環境生物與漁業科學學系<br>101<br>In this study, two data-collection methods were used to examine the effects of different stocking density and feeding pattern on the growth and survival rate of the hard clam, Meretrix lusoria. The first method is artificial feeding, and the second is questionnaire. Two artificial feeding experiments were conducted. Experiment one is to examine the effects of three different stocking densities (80, 120 and 200 clam/m2) and two different feeding methods (artificial feed and algae water). Experiment two is to examine the effect of five different stocking d

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Ligaraba, Tshililo Joyce. "Effects of strain, stocking density and limited-time feeding on growth performance and carcass characteristics of broiler chickens." Diss., 2016. http://hdl.handle.net/11602/389.

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Suabulu, Andrew Gray, and 安德魯. "The effect of stocking density and feeding frequency on the growth performance of juvenile white shrimp (Litopenaeus vannamei)." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/57400957409599888758.

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Manriquez-Hernandez, Juan A. "INTERACTION OF IRRADIANCE AND STOCKING DENSITY ON NUTRIENT UPTAKE BY RED MACROALGAE. IMPLICATIONS FOR BIOREMEDIATION OF FISH FARM EFFLUENTS." 2013. http://hdl.handle.net/10222/38441.

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In land-based integrated aquaculture of marine finfish and macroalgae, rearing space is a large expense. Increasing algal stocking density can increase efficiency, but this may require greater irradiance because of self-shading. To determine the irradiance needed, experiments were conducted in one-litre flasks with enriched seawater under natural and artificial illumination. Under natural illumination, a Daily Photon Dose of 17 mol m-2 d-1 at 10 and 14 ºC, Palmaria palmata cultured at 10 g L-1 grew 100 % faster and absorbed 20 % more nutrients than Chondrus crispus. However, Atlantic hali

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"Maximizing net income for pork producers by determining the interaction between dietary energy concentration and stocking density on finishing pig performance, welfare, and carcass composition." Thesis, 2014. http://hdl.handle.net/10388/ETD-2014-11-1846.

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Marketplace volatility in the pork industry demands that producers re-evaluate production practices in order to remain profitable. Stocking density and dietary energy concentration independently affect performance and economic returns of growing finishing pigs. However, there is limited information on whether the interaction between these two factors is important for optimizing productivity and maximizing economic returns. The objective of this study was to determine if the dietary energy concentration that maximizes performance and economic returns varies with stocking density. Treatments wer

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Hengsawat, Khwuanjai. "The effect of stocking density on production, growth and mortality of African catfish (Clarias gariepinus Burchell 1822) cultured in cages." 1993. http://hdl.handle.net/1993/29381.

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Lin, Hsiao-Lun, and 林孝倫. "The Effect of Body Size and Stocking Density on Ammonia Excretion Rate and Oxygen Consumption Rate of Haliotis diversicolor supertexta." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/85531177935740893406.

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碩士<br>國立臺灣海洋大學<br>水產養殖學系<br>93<br>The experiment was undertaken to study the effect of body size and stocking density on ammonia excretion rate and oxygen consumption rate for Haliotis diversicolor supertexta. Three size of abalone (mean shell lengths: 3.5、5、7 cm) combined with different stocking density were reared in a small recirculating culture system maintained at 24-25℃. Ammonia excretion rate (MB (NH4)) and oxygen consumption rate (MB(DO)) were measured for three days continuously in order to found the relationship between specific ammonia excretion rate (S(TAN)), specific oxygen consum

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Meng-Fang, Tsai, and 蔡孟芳. "The effects of different dietary seaweed sources and different stocking density on the growth and survival of juvenile Litopeaneus vannamei." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/38824647899784898842.

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碩士<br>國立臺灣海洋大學<br>水產養殖學系<br>94<br>Abstract This study investigated the effects of different stocking density and dietary seaweed sources on the growth and survival of juvenile Litopeaneus vannamei. Experiment I was conducted to evaluate the effects of stocking density on the growth and survival of juvenile Litopeaneus vannamei. Six different stocking densities (27.77 PL/m2 、55.55 PL/m2、88.33 PL/m2、111.11 PL/m2、138.88 PL/m2 and 166.66 PL/m2) of white shrimp were fed semi-purified diet (35% C.P and 6% crude lipid) for six weeks and detected ammonia every other day. After six weeks, the weight

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Siaga, Rudzani. "Effects of stocking density, genotype and sex on the growth performance and carcass characteristics of Ross and Cobb broilers chickens." Diss., 2015. http://hdl.handle.net/11602/819.

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Rubio, Zuazo Ana Maria. "Environmental influences on the sustainable production of the Sydney rock oyster Saccostrea glomerata : a study in two southeastern Australian estuaries." Phd thesis, 2007. http://hdl.handle.net/1885/49349.

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There has been a continuous decline in both the production and general performance of the SRO in NSW estuaries over the past three decades. The relationship of this decline to both environmental and oyster-density related factors are assessed in this thesis. This question has been examined at different scales: a large scale that compares two different estuaries (Clyde and Shoalhaven Rivers, southern NSW); a regional scale that encompasses variations within an estuary and, at a lease scale that examines processes pertaining to individual or small groups of oysters. ... A set of environmental in

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LY, Mouhamadou Amadou, and 李茂達. "The effects of feeding frequency, stocking density and fish size on growth, feedingbehavior and body composition of juveniles grouper, Epinephelus coioides." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/14538633155300653783.

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碩士<br>國立臺灣海洋大學<br>水產養殖學系<br>93<br>Two experiments were conducted on juvenile grouper Epinephelus coioides. Experiment 1 deal with the effects of feeding frequency, stocking density and fish size on growth and feeding behavior. The effect of feeding frequency, stocking density and fish size on body composition, growth, ammonia excretion, digestibility and feeding behavior were examined in experiment 2. Feeding frequency had positive effects on food consumption, growth and final size variation. Fish fed three times per day in both experiments showed better food consumption, but fed one meal per

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Cai, Qiao-Xin, and 蔡喬欣. "Effects of stocking density, water exchange rate, photosynthetic bacteria (Rhodobium orientis) and algal addition on growth, survival and water quality of giant freshwater prawn ( Macrobrachium rosenbergii)." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/sj29rd.

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碩士<br>國立東華大學<br>海洋生物多樣性及演化研究所<br>100<br>Macrobrachium rosenbergiis the world's breeding the highest amount of one of three prawns, but still need to improve the environment in shrimp nurturing and strengthening the management. To determine the optimal condition for larval culture of this speices, the effects of stocking density, water exchange rate, photosynthetic bacteria and algal addition on growth, survival and water guality of juveniles were assessed. Photosynthetic strains used the 16SrDNA sequence analysis and results confirm for Rhodobium sp. First, the effects of the photosynthetic b

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Wang, Ying-Wei, and 王英偉. "The Treatment and Rense of Culture Pound Water－The Specific Ammonia-N Production Rate and Specific Oxygen Consumption Rate for Eel Culture with Various Size and Stocking Density." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/26210342554516031949.

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Yip-Hoi, Trevor Andrew. "An investigation of effects of dissolved oxygen level, sediment type, stocking density and predation on the growth rate, survivorship, and burrowing behavior of juvenile brown and white shrimp." 2003. http://www.lib.ncsu.edu/theses/available/etd-05262003-125224/unrestricted/etd.pdf.

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