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Effects of stocking density and photoperiod manipulation in relation to estradiol profile to enhance spawning activity in female Nile tilapia

Onumah, Edward E.; Wessels, Stephan; Wildenhayn, Nina; … - 2009

established that a combination of stocking density and photoperiod treatments can be adopted to manipulate the timing of spawning …This study investigated the effects of stocking density and photoperiod manipulation in relation to plasma estradiol-17 …? (E2) profile to enhance spawning activity in female Nile tilapia (Oreochromis niloticus) using F1 clonal crosses. The …

Persistent link: https://www.econbiz.de/10010299891

Effects of stocking density and photoperiod manipulation in relation to estradiol profile to enhance spawning activity in female Nile tilapia

Onumah, Edward E.; Wessels, Stephan; Wildenhayn, Nina; … - 2009

established that a combination of stocking density and photoperiod treatments can be adopted to manipulate the timing of spawning …This study investigated the effects of stocking density and photoperiod manipulation in relation to plasma estradiol-17 …β (E2) profile to enhance spawning activity in female Nile tilapia (Oreochromis niloticus) using F1 clonal crosses. The …

Persistent link: https://www.econbiz.de/10011292634

Culture Methods for Growth Enhancement and Off-Season Production of Yellow Perch Perca flavescens

Shewmon, Laura Norkio - 2005

photoperiod; b) constant photoperiod also promotes overall growth regardless of temperature; c) natural (decreasing) photoperiod … processes; e) constant temperature and constant photoperiod together confer the best overall growth performance, fully inhibit …

Persistent link: https://www.econbiz.de/10009431336

Economic Viability of Polyculture of Nile Tilapia and Australian Redclaw Crayfish in Yucatan State, Mexico

Ponce-Marban, Donny; Hernandez, Juan; Gasca-Leyva, Eucario - European Association of Agricultural Economists - EAAE - 2005

Tilapia culture in rural communities of the state of Yucatan, Mexico, has been increasing in recent decades. Polyculture of tilapia with other more commercially valuable species is an opportunity to substantially improve the economic yields of rural producers. The economic viability of...

Persistent link: https://www.econbiz.de/10008519094

Harvest time optimization considering the stocking density and heterogeneity of sizes in the culture of white shrimp in freshwater

Araneda, Marcelo; Hernández, Juan M.; Domínguez-May, Roger - In: Aquaculture economics & management : official journal … 22 (2018) 4, pp. 431-457

Persistent link: https://www.econbiz.de/10011997329

Effect of long-term irrigation with wastewater on growth, biomass production and water use by Eucalyptus (Eucalyptus tereticornis Sm.) planted at variable stocking density

Minhas, P.S.; Yadav, R.K.; Lal, K.; Chaturvedi, R.K. - In: Agricultural Water Management 152 (2015) C, pp. 151-160

Irrigation of high transpiring forest species has been put forward for recycling and reuse of wastewater and conservation of nutrient energy into biomass and thereby bringing multiple benefits such as fuel wood production, environmental sanitation and eco-restoration. But loading rates, the tree...

Persistent link: https://www.econbiz.de/10011208813

Optimal Stocking Density for Dual-Purpose Winter Wheat Production

Kaitibie, Simeon; Epplin, Francis M.; Brorsen, B. Wade; … - In: Journal of Agricultural and Applied Economics 35 (2003) 01

Dual-purpose winter wheat production is an important economic enterprise in the southern Great Plains of the United States. Because of the complex interactions involved in producing wheat grain and beef gain from a single crop, stocking density is an important decision. The objective of the...

Persistent link: https://www.econbiz.de/10005802661

Entrepreneurial spawning and firm characteristics

Habib, Michel Antoine; Hege, Ulrich; Mella-Barral, Pierre - In: Management science : journal of the Institute for … 59 (2013) 12, pp. 2790-2804

Persistent link: https://www.econbiz.de/10010234711

Far from the tree? : do private entrepreneurs agglomerate around public sector incumbents during economic transition?

Tan, David; Tan, Justin - In: Organization science : a journal of the Institute for … 28 (2017) 1, pp. 113-132

Persistent link: https://www.econbiz.de/10011669306

Learning on the job? Employee mobility in the asset management industry

Chatterji, Aaron K.; Figueiredo, Rui - In: Management science : journal of the Institute for … 62 (2016) 10, pp. 2804-2819

Persistent link: https://www.econbiz.de/10011591736