بررسی شاخص های کیفی و فساد شیمیایی سیلاژ بیولوژیک تولید شده از ضایعات مرغ و مقایسه آن با پودر گوشت، پودر خون و پودر ماهی کیلکا

نویسندگان
رضا صفری 1
زهرا یعقوب زاده 1
زهرا بانکه ساز 1
سهیل ریحانی پول 2
عبدالله جعفری 3
محمدمهدی عباس زاده 4
1 پژوهشکده اکولوژی دریای خزر
2 دانشگاه علوم کشاورزی و منابع طبیعی گرگان
3 پژوهشکده اکولوژی دریای
4 اداره کل شیلات استان مازندران
10.52547/fsct.18.121.16
چکیده
هدف از مطالعه حاضر تولید سیلاژ بیولوژیک از ضایعات مرغ بر پایه تخمیر باکتری­های اتوژن و بررسی خصوصیات کیفی محصول است. جهت تولید این محصول از کشتارگاه­های منتحب استان مازندران نمونه­برداری انجام و بیوسیلاژ در قالب فرمانتور یک تنی با استفاده از باکتری­های اتوژن جداشده از منطقه تولید شد (تخمیر). محصول نهایی (پودر خشک­شده بیوسیلاژ) از نظر کیفی با استفاده از روش­های استاندارد، مورد ارزیابی قرار گرفت و با منابع دیگر شامل پودر گوشت، پودر خون و پودر ماهی کیلکا (تولید شده به روش بچ) مقایسه گردید. نتایج نشان داد که میزان پروتئین، چربی و قابلیت هضم پروتئین در بیوسیلاژ تولیدشده به ترتیب 09/59، 30/21 و 41/87 درصد است. محصول تولیدشده از نظر شاخص­های مذکور نسبت به پودر گوشت و پودر ماهی کیلکا وضعیت بهتری داشت. بیوسیلاژ تولیدشده از نظر مقادیر کلسیم و فسفر با پودر خون اختلاف معنی­داری ارائه نکرد و در سطح پائین­تری نسبت به پودر ماهی کیلکا و پودر گوشت قرار داشت. میزان TVN، PV و TBA در بیوسیلاژ به ترتیب 56/46، 46/4 و 21/2 اندازه­گیری شد که این شاخص­ها در محصول تولیدشده در مقایسه با پودر گوشت و پودر ماهی کیلکا در وضعیت بسیار مطلوب­تری قرار دارند. در ادامه مشخص شد پارامترهای میکروبی (کپک، مخمر، باکتری­های کلیفرم­، کلیفرم مدفوعی، اشرشیاکلی) در نمونه­های پودر گوشت، پودر خون و پودر ماهی کیلکا در مقایسه با بیوسیلاژ ضایعات مرغ، نسبتاً بالاتر بوده است. بنابر نتایج تحقیق حاضر ضایعات مرغ قابلیت تبدیل به بیوسیلاژ با ویژگی­های مطلوب را داراست که از آن می­توان در صنایع کشاورزی، آبزی پروری و طیور استفاده نمود.
کلیدواژه‌ها
ضایعات مرغ
بیوسیلاژ
پودر ماهی کیلکا
پودر گوشت

موضوعات

عنوان مقاله English

Evaluation of quality and chemical spoilage indicators of biological silage produced from chicken waste and its comparison with meat powder, blood powder and kilka fish powder

نویسندگان English

Reza Safari 1
zahra yaghoub zadeh 1
Zahra bankeh saz 1
Soheyl Reyhani Poul 2
Abdollah Jafari 3
Mohammad mahdi Abbaszadeh 4
1 Caspian Sea Ecology Research Institute
2 Gorgan University of Agricultural Sciences and Natural Resources
3 Caspian Sea Ecology Research Institute
4 General Department of Fisheries of Mazandaran Province
چکیده English

The aim of this study was to produce biological silage from chicken waste based on fermentation of autogenous bacteria and to evaluate the quality characteristics of the product. In order to produce this product, sampling was performed from selected slaughterhouses in Mazandaran province and biosilage was produced in the form of a one-ton fermenter using autogenous bacteria isolated from the region (fermentation). The final product (dried biosilage powder) was evaluated qualitatively using standard methods and compared with other sources including meat powder, blood powder and kilka fish powder (produced by batch method). The results showed that the amount of protein, fat and protein digestibility in the produced biosilage was 59.09%, 21.30% and 87.41%, respectively. The product produced was in a better condition than meat powder and kilka fish powder in terms of the mentioned indicators. The produced biosilage did not show a significant difference between blood powder in terms of calcium and phosphorus and was at a lower level than kilka fish powder and meat powder. The levels of TVN, PV and TBA in biosilage were measured as 46.56, 4.46 and 2.21, respectively. These indices are in a much more favorable condition in the produced product compared to Kilka meat powder and fish powder. It was further found that the microbial parameters (mold, yeast, coliform, fecal coliform, E.coli) in the samples of meat powder, blood powder and kilka fish powder were relatively higher compared to biosilage of chicken waste. According to the results of the present study, chicken waste has the ability to be converted into biosilage with desirable characteristics that can be used in agriculture and aquaculture industries.

کلیدواژه‌ها English

Chicken waste
Biosilage
Kilka fish powder
Meat powder
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