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RISProspective Effects of Regrouping, Number of Animals in Each Group and Concentrate Specificity on Profitability of Lactating Dairy Cows
Profitability of different grouping criteria was simulated in a dairy farm with 153 lactating cows that were divided into three groups of high (79), medium (40) and low (34) cows based on the milk records. Animals were ...
بررسی استفاده از علوفه آبیاری شده با فاضلاب در تغذیه دام
رشد روزافزون جمعیت و توسعه سریع صنایع سبب افزایش مصرف و باطبع آن تولید فاضلاب در بخش های شهری شده اند. از سوی دیگر به دلیل کمبود منابع آبی، بویژه در مناطق خشک و نیمه خشک از جمله در کشور ایران، استفاده از فاضلاب تصفیه شده ...
Calibration of In Vitro Gas Production Technique Using Digital Pressure Gauge: Air Versus Fermentative Gases
This experiment was aimed to compare air with fermentative gas for calibrating an in vitro gas production system using digital pressure gauge. 100 ml serum bottles containing 45 ml of in vitro medium were injected with air ...
Effects of fumaric or malic acid and 9, 10 anthraquinone on digestibility, microbial protein synthesis, methane emission and performance of growing calves
This study was aimed to test whether combination of methanogens inhibitor and a hydrogen sink may result in any complementary effects in vivo. Growing calves (15; average 7- month-old, and weighing 130 kg) were arranged ...
تأثیر زمان ماند و نوع ماده اولیه بر میزان تولید بیوگاز و قلیاییت در هضم بی‌هوازی ضایعات کشتارگاهی
زمینه و هدف: تصفیه بی‌هوازی برخی از ضایعات جامد کشتارگاهی مانند محتویات شکمبه، به دلیل پتانسیل تولید انرژی و تأثیر مثبت آن در کاهش آلودگی‌های زیست محیطی، یکی از گزینه‌های مناسب فرآوری و دفع این قبیل ضایعات به شمار می‌آید. ...
Evaluation of complementary effects of 9,10-anthraquinone and fumaric acid on methanogenesis and ruminal fermentation in vitro
The objective of the present study was to investigate the hypothesis that 9,10-anthraquinone (AQ) in combination with fumaric acid (FMA) may provide complementary effects to inhibit methanogens and enhance rumen\\'s capacity ...
Rumen microbial community of Saanen goats adapted to a high-fiber diet in the northeast of Iran
Swiss Saanen goat is a widespread breed frequently found in commercial herds across the world. The present study aimed to identify the rumen microbial community of exotic Saanen goats adapted to a fibrous diet using barcoded ...
A Study of Rumen Microbial Community of Baluchi Lambs Fed a High Concentrate Diet Containing Conventional Ingredients
Baluchi sheep is the dominant fat-tail breed in Iran. We studied the microbial communities in the rumen of four Baluchi lambs fed a high concentrate conventional diet, the partial ribosomal rRNA of bacterial and archaeal ...
Effect of Physical Processing of Pea (Pisum sativum) on Nitrogen Fractionation and Intestinal Protein Digestion
The aim of this study was to investigate the effect of different methods of physical processing of pea (Pisum sativum) on ruminal and intestinal digestion and protein fractionation using in vitro techniques. Raw pea ...