بررسی امکان استفاده از پساب کشتارگاه طیور برای پرورش ماهی کپور معمولی (Cyprinuscarpio)

نوع مقاله : مقاله کامل علمی - پژوهشی

نویسندگان

1 عضو هیات علمی

2 هیات علمی

چکیده

هدف از اجرای این تحقیق بررسی خصوصیات کیفی پساب کشتارگاه طیور به‌منظور استفاده بهینه درصنعت آبزی‌پروری بود. پساب در 3 تانک با حجمی به میزان 70 لیتر قرار داده شد. در مرحله اول آزمایش (شروع)، تعداد 5 بچه‌ماهی به هر تانک معرفی شد (مجموع 15 ماهی) که تلفات 100 درصدی ماهیان در کمتر از 3 ساعت اتفاق افتاد. این عمل دوبار (در 3 تکرار) انجام شد. در مرحله دوم آزمایش، پساب به‌مدت 3 روز هوادهی شدید شد که باعث انعقاد مواد جامد و رسوب آنها و کلرزدایی آن گردید. سپس تعداد 5 بچه ماهی به هر تانک معرفی گردید (مجموع 15 ماهی). این عمل نیز دوبار (در 3 تکرار) انجام شد. در این مرحله، تلفات مشاهده نشد و بازماندگی 100 درصد بود. فاکتورهای کیفی پساب بمدت 30 روز (روزهای 0، 3، 7، 15 و 30) بدون حضور ماهی مورد بررسی قرار گرفت. نتایج آنالیز نشان داد که تفاوت معنی‌دار آماری در زمان‌های مختلف در میزان اکسیژن محلول، دما، پی‌اچ و مواد محلول کل وجود نداشت (05/0<p). میزان آمونیوم، نیترات، فسفات، قلیائیت، سختی کل و هدایت الکتریکی در زمانهای مختلف آزمایش اختلاف آماری معنی‌داری نشان داد (05/0>p). با توجه به رسیدن خصوصیات کیفی پساب اصلاح شده کشتارگاه طیور به سطح قابل قبول برای پرورش ماهی کپور، می‌توان در بخش آبزی‌پروری استفاده از این پساب را پیشنهاد نمود.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

The possibility of using poultry slaughterhouse wastewater for culture of common carp fish (Cyprinus carpio)

نویسنده [English]

  • mohammad harsij 1
1 faculty member
چکیده [English]

The aim of this study was to investigate poultry slaughterhouse wastewater quality characteristics for optimum use in the aquaculture industry. Wastewater was placed in three tanks with a volume of 70 liters. At first experiment (start), 5 finger carp was introduced into each tank (Total of 15 fish) that 100 percent of the fish deaths occurred in less than 3 hours. The test was twice (3 replicate). In the second experiment, the effluent was intense aeration for 3 hours which caused settling of solids and possibly decolorize it, Then 5 finger carp were introduced to each tank (Total of 15 fish). The test was twice (3 replicate). At this stage, was not observed mortality and survival was 100 percent. Quality parameters of wastewater for 30 days (days 0, 3, 7, 15 and 30) were investigated without the presence of fish. The results showed that there was not statistically significant difference at different times in the amount of dissolved oxygen, temperature, pH and total dissolved solids (TDS) (p<0.05). The ammonium, nitrate, phosphate, alkalinity, total hardness and electrical conductivity at different times of the experiment statistically significant difference (p>0.05). According to achieve an acceptable level of quality characteristics of poultry slaughterhouse waste for Carp culture, Can be suggested re-use of wastewater in aquaculture.

کلیدواژه‌ها [English]

  • Wastewater
  • water quality parameters
  • Cyprinus carpio
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