Browsing by Author "Benzie, J."

Now showing items 41-60 of 61

    • On-farm participatory evaluation of feeding approaches used by farmers for tilapia (Oreochromis macrochir) production in northern Zambia 

      Lundeba, M.; Cole, S.M.; Mekkawy, W.; Yossa, R.; Komugisha, B.; Nyirenda, M.; Muyuni, N.; Benzie, J.; Mary Lundeba: 0000-0001-8274-0800; Steven Michael Cole: 0000-0002-8947-0871; Wagdy Mekkawy: 0000-0002-3991-7321; Rodrigue Yossa: 0000-0003-4792-0173; Basiita Rose Komugisha: 0000-0002-7257-0286; John Benzie: 0000-0001-9599-8683 (2021)
      Type: Journal Article
      This paper reports the first benchmarking of smallholder tilapia farming practices in rural northern Zambia, measuring fish growth, feed utilization and water quality parameters, using a participatory action research ...

    • On-farm performance of genetically-improved rohu (Labeo rohita) in Bangladesh 

      Hamilton, M.G.; Yeasin, M.; Alam, M.; Ali, M.; Fakhruddin, M.; Islam, M.; Barman, B.K.; Shikuku, K.M.; Shelley, C.C.; Rossignoli, C.; Benzie, J.; Matthew Gray Hamilton: 0000-0001-8098-8845; Md. Badrul Alam: 0000-0002-7079-4358; Benoy Kumar Barman: 0000-0003-0554-2207; Kelvin Mashisia Shikuku: 0000-0003-2290-074X; Colin Charles Shelley: 0000-0002-5268-3806; Cristiano Rossignoli: 0000-0001-8220-7360; John Benzie: 0000-0001-9599-8683 (2022)
      Type: Journal Article
      Introduction: Rohu (Labeo rohita Hamilton) is a globally significant aquaculture species for which genetically improved strains are increasingly available. In 2020, a multiplier population, comprised of highly–ranked ...

    • On-farm trials of WorldFish Genetically Improved Rohu 

      Hamilton, M.G.; Yeasin, M.; Alam, M.; Ali, M.; Fakhruddin, M.; Islam, M.; Barman, B.K.; Shikuku, K.M.; Shelley, C.C.; Rossignoli, C.; Benzie, J.; Matthew Gray Hamilton: 0000-0001-8098-8845; Md. Badrul Alam: 0000-0002-7079-4358; Benoy Kumar Barman: 0000-0003-0554-2207; Kelvin Mashisia Shikuku: 0000-0003-2290-074X; Colin Charles Shelley: 0000-0002-5268-3806; Cristiano Rossignoli: 0000-0001-8220-7360; John Benzie: 0000-0001-9599-8683 (2022)
      Type: Conference Paper
      Rohu Labeo rohita (Hamilton) is an economically and culturally significant aquaculture species in Bangladesh. However, until recently, genetically improved rohu strains have not been available to Bangladeshi farmers. In ...

    • Performance evaluation of Nile tilapia (Oreochromis niloticus) improved strains in Ghana 

      Trinh, T.Q.; Agyakwah, S.K.; Khaw, H.; Benzie, J.; Attipoe, F.Y.; John Benzie: 0000-0001-9599-8683 (2021)
      Type: Journal Article
      Growth performance and survival to harvest of the Akosombo strain generation 10 and the GIFT strain generation two (derived from GIFT generation 11 in Malaysia) were evaluated in Ghana. The fish were from 96 families of ...

    • Performance of Oreochromis niloticus and Oreochromis andersonii in controlled laboratory conditions in Zambia 

      Komugisha, B.; Trinh, T.Q.; Sakala, M.; Chungu, P.; Malambo, T.; Hampuwo, B.; Mwema, C.M.; Benzie, J.; Basiita Rose Komugisha: 0000-0002-7257-0286; Catherine Mawia Mwema: 0000-0001-8015-5747; John Benzie: 0000-0001-9599-8683 (2022)
      Type: Journal Article
      In the present study, two hatchery strains of Oreochromis niloticus and two of O. andersonii sourced from different hatcheries in Zambia were subjected to the same feeding and management regimes in a controlled indoor tank ...

    • Pipette and paper: Combining molecular and genealogical methods to assess a Nile tilapia (Oreochromis niloticus) breeding program 

      Nayfa, M.; Jones, D.B.; Curtis, L.; Benzie, J.; Jerry, D.; Zenger, K.R.; John Benzie: 0000-0001-9599-8683 (2020)
      Type: Journal Article
      The paper compared molecular and paper records of pedigrees in a Nile tilapia breeding program, the Abbassa line in Egypt. It established a novel pipeline of checks and balances based on molecular data to correct erroneous ...

    • Population, temperature and feeding rate effects on individual feed efficiency in European Sea Bass (Dicentrarchus labrax) 

      Rodde, C.; Vandeputte, M.; Allal, F.; Besson, M.; Clota, F.; Vergnet, A.; Benzie, J.; de Verdal, H.; John Benzie: 0000-0001-9599-8683 (2020)
      Type: Journal Article
      Using breeding programs to improve feed efficiency, the ratio between fish body weight gain (BWG) and feed intake (FI), could increase aquaculture sustainability through reduced feed costs and environmental impact. To this ...

    • Preferences for rohu fish (L. rohita) traits of women and men from farming households in Bangladesh and India 

      Mehar, M.; Mekkawy, W.; McDougall, C.; Benzie, J.; Wagdy Mekkawy: 0000-0002-3991-7321; Cynthia McDougall: 0000-0002-5606-6813; John Benzie: 0000-0001-9599-8683 (2021)
      Type: Journal Article
      As selective breeding programs are time-consuming and expensive, it is critical that clients preferred traits are accurately identified. This is important to achieve value for money and adoption of selectively improved ...

    • Quantitative trait loci controlling swimming performance and their effect on growth in Nile tilapia (Oreochromis niloticus) 

      Yu, X.; Mengistu, S.; Mulder, H.A.; Palstra, A.; Benzie, J.; Trinh, T.Q.; Groenen, M.; Komen, H.; Megens, H.; John Benzie: 0000-0001-9599-8683 (2022)
      Type: Journal Article
      Critical swimming speed (Ucrit) is an important measurement of swimming performance and a good indicator for cardio-respiratory health. It offers a new opportunity to select fish with better fitness. However, the genomic ...

    • Report on Species Mapping, Purity in Hatcheries and Review of Best Management Practices 

      Komugisha, B.; Kakwasha, K.; Chungu, P.; Malambo, T.; Trinh, T.Q.; Benzie, J.; Basiita Rose Komugisha: 0000-0002-7257-0286; Keagan Kakwasha: 0000-0003-4251-7449; Trong Quoc Trinh: 0000-0001-7769-2250; John Benzie: 0000-0001-9599-8683
      Type: Donor Report
      Report on Species Mapping, Purity in Hatcheries and Review of Best Management Practices

    • A review of access and benefit-sharing measures and literature in key aquaculture-producing countries 

      Humphries, F.; Benzie, J.; Lawson, C.; Morrison, C.; John Benzie: 0000-0001-9599-8683 (2021)
      Type: Journal Article
      Countries increasingly use access and benefit-sharing laws as a tool for the conservation and sustainable use of biological resources and associated traditional knowledge. These laws generally require the recipient of ...

    • Sex determination in the GIFT strain of tilapia is controlled by a locus in linkage group 23 

      Taslima, K.; Wehner, S.; Taggart, J.B.; de Verdal, H.; Benzie, J.; Bekaert, M.; McAndrew, B.J.; Penman, D.J.; John Benzie: 0000-0001-9599-8683 (2020)
      Type: Journal Article
      Tilapias (Family Cichlidae) are the second most important group of aquaculture species in the world. They have been the subject of much research on sex determination due to problems caused by early maturation in culture ...

    • Sibship assignment to the founders of a Bangladeshi Catla catla breeding population 

      Hamilton, M.G.; Mekkawy, W.; Benzie, J.; Matthew Gray Hamilton: 0000-0001-8098-8845; Wagdy Mekkawy: 0000-0002-3991-7321; John Benzie: 0000-0001-9599-8683 (2019)
      Type: Journal Article
      In terms of quantity produced, Catla catla is the sixth most important finfish aquaculture species produced globally in 2015. It is primarily grown in South Asia, often on a small scale in polyculture with other species. ...

    • Single Nucleotide Polymorphisms (SNPs) reveal sibship among founders of a Bangladeshi Rohu (Labeo rohita) breeding population 

      Hamilton, M.G.; Mekkawy, W.; Benzie, J.; Kilian, A.; Matthew Gray Hamilton: 0000-0001-8098-8845; Wagdy Mekkawy: 0000-0002-3991-7321; John Benzie: 0000-0001-9599-8683
      Type: Journal Article
      Rohu (Labeo rohita) is a significant freshwater aquaculture species with approximately 1.8 Mt produced annually. Fin clips obtained from the founders of a newly established Bangladesh-based breeding population (∼140 fish ...

    • Species composition in the Molobicus hybrid tilapia strain 

      Bartie, K.L.; Taslima, K.; Bekaert, M.; Wehner, S.; Syaifudin, M.; Taggart, J.B.; de Verdal, H.; Rosario, W.; Muyalde, N.; Benzie, J.; McAndrew, B.J.; Penman, D.J.; John Benzie: 0000-0001-9599-8683 (2020)
      Type: Journal Article
      The “Molobicus” hybrid breeding programme was initiated to improve tilapia growth performance in brackish water. The base population was created by backcrossing F1 Oreochromis niloticus GIFT strains × feral O. mossambicus ...

    • A systematic literature review of the major factors causing yield gap by affecting growth, feed conversion ratio and survival in Nile tilapia (Oreochromis niloticus) 

      Mengistu, S.; Mulder, H.A.; Benzie, J.; Komen, H.; John Benzie: 0000-0001-9599-8683 (2020)
      Type: Journal Article
      Productivity among small‐ and medium‐scale tilapia farms varies considerably. The difference between the best performers and lower ones (yield gap), is affected by differences in growth rate and feed conversion ratio (FCR). ...

    • Tilapia (Oreochromis niloticus) trait preferences by women and men farmers in Jessore and Mymensingh districts of Bangladesh 

      Meher, M.; Mekkawy, W.; McDougall, C.; Benzie, J.; Wagdy Mekkawy: 0000-0002-3991-7321; Cynthia McDougall: 0000-0002-5606-6813; John Benzie: 0000-0001-9599-8683 (2022)
      Type: Journal Article
      Research reporting user trait preferences for fish, particularly in relation to guiding genetic improvement programs are rare, even in tilapia where demand for genetically improved fish has underpinned the expansion of ...

    • Understanding gendered trait preferences: Implications for client-responsive breeding programs 

      McDougall, C.; Kariuki, J.; Lenjiso, B.M.; Marimo, P.; Mehar, M.; Murphy, S.; Teeken, B.; Akester, M.J.; Benzie, J.; Galiè, A.; Kulakow, P.; Mekkawy, W.; Wopong, N.; Ojango, J.M.; Tumuhimbise, R.; Uwimana, B.; Orr, A.; Cynthia McDougall: 0000-0002-5606-6813; Pricilla Marimo: 0000-0003-3754-7176; Seamus Murphy: 0000-0002-1792-0351; Bela Teeken: 0000-0002-3150-1532; Michael Joseph Akester: 0000-0001-6526-1613; John Benzie: 0000-0001-9599-8683; Alessandra Galiè: 0000-0001-9868-7733; Peter Kulakow: 0000-0002-7574-2645; Wagdy Mekkawy: 0000-0002-3991-7321; Julie M. K Ojango: 0000-0003-0224-5370; Brigitte Uwimana: 0000-0001-7460-9001 (2022)
      Type: Journal Article
      Client-responsiveness is a foundation for effectiveness of public sector breeding programs in agriculture, aquaculture and livestock. However, there remains a considerable lack of clarity about what this means, specifically ...

    • Variations in isotope incorporation rates and trophic discrimination factors of carbon and nitrogen stable isotopes in scales from three European sea bass (Dicentrarchus labrax) populations 

      Rodde, C.; de Verdal, H.; Lefebvre, S.; Mennit, C.; Vandeputte, M.; Clota, F.; Allal, F.; McKenzie, D.; Benzie, J.; Nahon, S.; John Benzie: 0000-0001-9599-8683 (2020)
      Type: Journal Article
      Carbon (δ13C) and nitrogen (δ15N) stable isotope analyses are used in marine ecology to study trophic relationships and migrations of species since they reflect dietary sources consumed which may vary geographically. ...

    • WorldFish - Genetic research program 

      Benzie, J.; John Benzie: 0000-0001-9599-8683 (2022)
      Type: Presentation
      WorldFish Genetics Workshop 2022 - presentation on the WorldFish'S genetic research program.