Results 61 to 70 of about 15,946 (115)

Use of tannase‐producing bacteria isolated from the rumen to improve the nutritional value of pomegranate peel for fattening lambs

open access: yesVeterinary Medicine and Science, Volume 10, Issue 1, January 2024.
The aim of this study was to process for reduce pomegranate peel tannin for use in animal feeding. We reduced the adverse effects of pomegranate peel tannin for fattening lambs using the tannase‐producing bacteria.The methods that can reduce these compounds make facilitate their use in animal feed.
Morteza Chaji, Zahra Jahanara
wiley   +1 more source

Ecological study of zooplankton communities in the Persian Gulf Martyrs Lake (Chitgar-Tehran) and the first report of the freshwater jellyfish Craspedacusta sp. (Cnidaria, Limnomedusae) in Iran [PDF]

open access: yes, 2017
This study focused on zooplankton structure, biodiversity, relationship between a biotic parameters and zooplankton variation, and trophy state of the Persian Gulf Martyrs Lake (Chitgar-Tehran).
Bagheri, S.   +3 more
core  

Primary culture of ovarian follicular cells of Sterlet, Acipenser ruthenus to develop an in vitro system [PDF]

open access: yes, 2016
The aim of the present study was to develop an in vitro system for functional investigation of ovarian follicular cells in Sterlet, Acipenser ruthenus.
Bahmani, M.   +5 more
core   +1 more source

Study of physical damage and storage effects on strength of sturgeon gillnet [PDF]

open access: yes, 2017
Every year, after fishing period, the sturgeon gillnets are assessed base on physical characters by the management of sturgeon fishes in Golestan Province. Net are put aside and replaced by new one if they qualification are not net.
Aghilnejad, S.M.   +4 more
core   +1 more source

Measurement and Comparison of Mercury Concentration in Different Length Groups of Common Carp Muscle Tissue from the Shadegan Wetland [PDF]

open access: yes, 2016
Background: Due to the ecological importance of the Shadegan wetland as a valuable international wetland and some studies reporting high mercury concentration in its water and birds' tissues, this study was done to measure and compare the concentration ...
Khoshnamvand, Mehdi   +2 more
core  

کاهش آلودگی پرتویی در محیط‌زیست کشاورزی با استفاده از پدافند هسته‌ای [PDF]

open access: yesپدافند غیرعامل
استفاده از انرژی هسته­ای برای مصارف صلح­آمیز، منافع و مزایای بسیاری برای کشورها به دنبال دارد. امّآ زمانی که به‌کارگیری آن از قالب کنترل شده خارج شود و اصول ایمنی و حفاظتی مربوطه رعایت نشود، ممکن است خطرات و چالش­های بهداشتی و محیط زیستی متعددی را با خود
مرتضی کردی   +1 more
doaj  

ارشاد الزراعه، متن جامع فلاحت در دوره تاریخ میانه ایران [PDF]

open access: yesنقد تحلیل و زیبایی شناسی متون
ایرانیان مبدع روش‌های کشاورزی به خصوص آبیاری و باغ‌سازی در تاریخ تمدن بشری بوده‌اند، از پرورش گیاهان جدید تا ابداع قنات و روش‌های افزایش تولید محصول حاصل کوشش‌های کشاورزان ایرانی در طول قرون است. حاصل این تجربیات در متون علمی کهن ایران منعکس است.
امید مسعودی فر   +1 more
doaj   +1 more source

The effect of photoperiod on stomach and intestinal digestive enzymes in rainbow trout (Oncorhynchus mykiss) larvae and juvenile [PDF]

open access: yes, 2014
This study investigated the ontogeny of some digestive enzyme and explored the effects of photoperiod on stomach (pepsin) and intestine enzyme activity (alkaline phosphatase and Namino peptidase) in rainbow trout (Oncorhynchus mykiss) larvae juvenile ...
Babaei, S.S.   +3 more
core  

Water quality assessment of the Zayandehroud Lake using WQI index [PDF]

open access: yes, 2017
Biological and ecological studies of water resources play an important role in both researches and scientific studies. The most important step for this study is identifying the characteristics of the ecosystem, living organisms and environmental factors.
Asadola, S.   +4 more
core  

Distribution and abundance of high aquatic plants in the Gorganroud River, the Caspian Sea basin, Iran [PDF]

open access: yes, 2014
The distribution and abundance of high aquatic plants in the Gorganroud River was examined at five stations in four seasons (20 samples) over one year period during 2009-2010.
Balaly, S.   +2 more
core  

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