نتایج جستجو برای: feed efficiency ratio
تعداد نتایج: 918255 فیلتر نتایج به سال:
Background: Coccidiosis is recognized as the parasitic disease that has the greatest economic impact on poultry production. Modern poultry production is largely dependent upon anticoccidials. Objectives: The aim of the present study was to determine and compare the efficacy of two chemical anticoccidials (Clopidol and Diclazuril) on oocyst shedding and their probable effects on growth performan...
and Implications Regions of the genome associated with variation in feed efficiency and dry matter intake were identified using data from 3306 Holstein cows from Europe and North America. For feed efficiency, regions that explained the most variation were located on chromosomes 18, 5, and 3. For dry matter intake, top regions were 26, 5, and 25. For both traits no one region explained more than...
Penerapan teknologi pakan yang saat ini terus diterapkan dan mutlak diperlukan dalam rangka meningkatkan efisiensi produksi, terutama pada kambing boePE. Tujuan penelitian adalah untuk menganalisis pengaruh tingkat kandungan protein lengkap terhadap kinerja nilai ekonomi rasio protein. Materi digunakan 9 ekor bangsa BoerPE berumur 8 bulan–13 bulan dengan bobot badan 20,8 kg–34,6 kg dibagi kelom...
The aim of the current study was to assessing the effect of inbreeding on growth-related traits including birth weight (BW), weaning weight (WW) and average daily gain (ADG) as well as efficiency-related traits such as Kleiber ratio (KR) and relative growth rate (RGR) of Moghani sheep. To this end, after editing data and preparing pedigree file, coefficients of inbreeding were estimated an...
background: comparison between infectious bursal disease vaccines. objectives: comparison between foreign and iranian intermediate uncloned gumboro vaccines on feed conversion ratio. methods: three hundred and thirty day-old chicks were purchased and for determination of vaccination time by deventer formula, thirty chicks were randomly bled and the remaining chicks divided into 3 equal groups, ...
An experiment was conducted to assess the effect of dietary supplementation of garlic (Allium sativum) and fenugreek (Trigonella foenum-graecum L.) seed powder as herbal feed additives on growth performance, carcass characteristics and economics of feeding in broilers. A total of 320 day old broiler chicks of Cobb-400 strain were divided into four treatment groups with 4 replicates of 20 chicks...
In this paper, the integrated-antenna concept is applied to push–pull power amplifiers (PA’s). In this approach, the antenna serves as an out-of-phase power combiner and tuned load for higher harmonics. This new architecture effectively has a near-zero loss output hybrid, and results in a high-efficiency PA. The first example is a narrow-band push–pull amplifier integrated with a dual-feed patc...
An experiment was conducted with the male Ross broiler chicks from 1 to 42 days of age to test the effects of different dietary protein and lysine levels on performance, carcass characteristics, and N excretion. Treatment diets consisted of three levels of supplemental lysine in starter and grower period (0, 0.15, and 0.30 %) and the two levels of protein (20.84, 17.84 in starter, and 18.12, 16...
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