نوع مقاله : مقاله پژوهشی
نویسندگان
1 دانش آموخته کارشناسی ارشد مرتعداری، دانشگاه علوم کشاورزی و منابع طبیعی ساری.
2 دانشیار گروه مرتعداری، دانشگاه علوم کشاورزی و منابع طبیعی ساری
چکیده
این تحقیق به بررسی عوامل موثر در استفاده بهره‌برداران مرتعی از 4 گونه درختی شامل: Acer velutinum ، Quercus castaneifolia ، Carpinus betulus، Diospyrus lotus و 4 گونه درختچه‌ای شامل: Mespilus germanica ، Prunus cerasifera ، Celtis australis، ALbizia julibrissin جهت تغذیه دام و تعیین ارزش غذایی آن‌ها در مرحله شروع رشد برگ‌ها در دامسراهای مناطق جنگلی اطراف روستای جواهرده در شهرستان رامسر استان مازندران می‌پردازد. جهت انجام نمونه‌برداری در مرحله رشد رویشی به صورت کاملا تصادفی اقدام به نمونه‌گیری شد. سپس برگ سبز پس از خشک‌شدن در هوای آزاد و سپس اندازه‌گیری وزن خشک جهت تعیین کیفیت علوفه شامل پارامترهای پروتئین خام ، فسفر ، ازت ، پتاسیم ، الیاف نامحلول در شوینده اسیدی ، الیاف نامحلول در شوینده خنثی ، درصد ماده خشک ، انرژی متابولیسمی به آزمایشگاه منتقل گردید. این پژوهش در قالب طرح کاملا تصادفی اجرا شد و تجزیه و تحلیل داده‌های آزمایشگاهی با آنالیز واریانس و مقایسه میانگین‌ها و اطلاعات حاصل از پرسشنامه با استفاده از آزمون فریدمن در محیط نرم افزار SPSS انجام شد. نتایج نشان داد که گونه شب خسب به دلیل مقدار انرژی متابولیسمی (25/11)، درصد هضم‌پذیری ماده خشک (97/77)، پروتئین خام (77/22)، چربی خام (26/5)، الیاف نامحلول در شوینده خنثی (44/52)، دارای کیفیت علوفه بالاتری نسبت به هفت گونه دیگر می‌باشد. همچنین یافته ها حاکی از آن است که ارزش غذایی گونه شب خسب بالاتر بوده و همچنین بهره برداری از آن توسط دامدارن بیشتر بوده است، لذا اهمیت دانش بومی را در این زمینه نشان می دهد.
کلیدواژه‌ها
عنوان مقاله [English]
Comparison of the chemical composition of the leaves of eight trees and shrubs for livestock feeding (case study: livestock places around Javaherdeh Ramsar village)
نویسندگان [English]
- Samira Amoie 1
- Mohammaadreza Tatian 2
- Ghodratolah Heydari 2
1 Department of Range Management,. Sari Agricultural Science and Natural Resources University
2 Associate Professor, Department of Range Management, Sari Agricultural Sciences and Natural Resources University.
چکیده [English]
This study investigates the effective factors in land-holders use of 4 tree species including: Acer velutinum, Quercus castaneifolia, Carpinus betulus, Diospyrus lotus and 4 species of shrubs including Mespilus germanica, Prunus cerasifera , Celtis australis and ALbizia julibrissin to feed livestock and determine their nutritional value in livestock places of forest regions around Javaherdeh village in Ramsar city of Mazandaran province at the end of leaf growth stage. In order to perform sampling in a stage vegetative growth was done randomly. Then the green leaves which were dried in the open air and sized were transferred to the laboratory. The aim was to determine forage quality including: parameters of crude protein (CP), phosphorus (P), nitrogen (N), potassium (K), insoluble fibers in acidic detergent (ADF), insoluble fibers in neutral detergent (NDF), Dry matter content (DMD), metabolic energy (ME). This research was conducted in a completely randomized design and the analysis of laboratory data in SPSS software and the analysis of information obtained from the questionnaire using Friedman test was used to perform statistical analysis of collected data. The results showed that the Albizia julibrissin species due to the amount of metabolic energy (11.25), dry matter digestibility (77.97), crude protein (22.77), crude fat (5.26), insoluble fibers in neutral detergent (52.44), have a higher forage quality than the other seven species. The findings indicate that the nutritional value of Albizia julibissin has been associated with its greater utilization by ranchers, it shows the importance of local knowledge in this field.
کلیدواژه‌ها [English]
- Forage Quality
- Local Knowledge
- Crude Protein
- Dry Matter Digestibility
- Javaherdeh of Ramsar
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