La relación carbono/nitrógeno como elemento de control en sistemas de acuicultura

Yoram Avnimelech)

Facultad de Ingeniería Agrícola, Technion, Instituto de Tecnología de Israel, Haifa 32000, Israel. Febrero 1999

Resumen

El Control del nitrógeno inorgánico (NH4-N) mediante la manipulación de la relación Carbono/nitrógeno es un potencial método de control para sistemas de acuicultura. Este enfoque parece ser una práctica barata para reducir la acumulación del nitrógeno inorgánico en el estanque. Se induce el control del nitrógeno mediante la alimentación de las bacterias con carbohidratos, y a través de la absorción subsiguiente del nitrógeno del agua, por la síntesis de proteínas microbianas. La relación entre la adición de carbohidratos, la reducción de amonio y la producción de proteínas microbianas depende del coeficiente de conversión microbiana, la relación de C/N en la biomasa microbiana, y el contenido de carbono del material añadido. Se encontró que la adición de sustrato rico en carbono puede reducir el nitrógeno inorgánico en tanques experimentales y en estanques a escala comercial de camarones y tilapia. Se encontró en estanques de tilapia que las proteínas microbianas producidas son incorporadas por los peces. Por lo tanto, parte de la alimentación se sustituye por proteína microbiana y los costes de alimentación se reducen. La adición de hidratos de carbono (melaza, harinas de cereales), o la reducción del equivalente de proteínas en el alimento (alimentos balanceados de menor proteína), puede ser cuantitativamente calculada y optimizada, como se muestra aquí en este trabajo.

Parámetros orientativos se utilizaron en este trabajo. La investigación adicional en este campo debe ser dirigida a la recopilación de los datos precisos necesarios para la planificación exacta de la composición del alimento.

Abstract
Controlling the inorganic nitrogen by manipulating the carbonrnitrogen ratios is a potential control method for aquaculture systems. This approach seems to be a practical and inexpensive means of reducing the accumulation of inorganic nitrogen in the pond. Nitrogen control is inducedby feeding bacteria with carbohydrates, and through the subsequent uptake of nitrogen from the water, by the synthesis of microbial proteins. The relationship among the addition of carbohydrates, the reduction of ammonium and the production of microbial proteins depends on the microbial conversion coefficient, the C/N ratio in the microbial biomass, and the carbon contents of the added material. The addition of carbonaceous substrate was found to reduce inorganic nitrogen in shrimp experimental tanks and in tilapia commercial-scale ponds. It was found in tilapia ponds that the produced microbial proteins are taken up by the fish. Thus, part of the feed protein is replaced and feeding costs are reduced. The addition of carbohydrates, or the equivalent reduction of proteins in the feed, can be quantitatively calculated and optimised, as shown here. Approximate parameters were used in this work. Additional research in this field should be
directed at gathering the precise data needed for the exact planning of feed composition.

Documento original en el siguiente enlace; avnimelech-carbon-nitrogenratio

21 thoughts on “La relación carbono/nitrógeno como elemento de control en sistemas de acuicultura

  1. oprol evorter

    A lot of what you articulate is supprisingly appropriate and that makes me wonder the reason why I hadn’t looked at this with this light previously. This piece really did turn the light on for me as far as this particular issue goes. However there is actually 1 position I am not too comfy with so while I attempt to reconcile that with the core theme of your position, allow me observe what the rest of your visitors have to say.Very well done.

     
    Reply
  2. check my blog

    What i do not realize is actually how you’re now not actually a lot more well-preferred than you might be now. You’re so intelligent. You know thus significantly in relation to this matter, made me for my part consider it from so many varied angles. Its like women and men aren’t fascinated unless it is one thing to accomplish with Woman gaga! Your personal stuffs nice. Always maintain it up!

     
    Reply
  3. article

    When I originally commented I clicked the -Notify me when new comments are added- checkbox and now each time a comment is added I get four emails with the same comment. Is there any way you can remove me from that service? Thanks!

     
    Reply
  4. free resources

    I really like your writing style, wonderful information, appreciate it for posting :D. «You can complain because roses have thorns, or you can rejoice because thorns have roses.» by Ziggy.

     
    Reply
  5. app store

    I’ll immediately clutch your rss as I can not to find your email subscription hyperlink or e-newsletter service. Do you have any? Kindly allow me understand so that I may just subscribe. Thanks.

     
    Reply
  6. гринта

    My spouse and i ended up being very cheerful that Jordan managed to deal with his research with the precious recommendations he obtained in your site. It is now and again perplexing to simply happen to be giving freely secrets and techniques which many others might have been making money from. We already know we now have you to give thanks to because of that. All the illustrations you’ve made, the easy site navigation, the relationships you will assist to instill – it’s everything wonderful, and it’s leading our son in addition to our family know that this topic is entertaining, and that’s exceptionally vital. Thanks for all!

     
    Reply
  7. alpaca

    Wonderful website. A lot of helpful information here. I am sending it to a few friends ans also sharing in delicious. And naturally, thank you for your sweat!

     
    Reply
  8. full report

    Hi just wanted to give you a quick heads up and let you know a few of the pictures aren’t loading correctly. I’m not sure why but I think its a linking issue. I’ve tried it in two different browsers and both show the same outcome.

     
    Reply
  9. inside

    Hello! I could have sworn I’ve been to this blog before but after browsing through some of the post I realized it’s new to me. Anyways, I’m definitely happy I found it and I’ll be book-marking and checking back frequently!

     
    Reply

Responder a Connecticut Car Shipping Cancelar respuesta

Tu dirección de correo electrónico no será publicada. Los campos obligatorios están marcados con *