نتایج جستجو برای: feed cost

تعداد نتایج: 449003  

ژورنال: علوم آب و خاک 2006
عبدالاحد شادپرور, , مرادپاشا اسکندری نسب, , احمد قربانی, , سید ابوالحسن میر مهدوی چابک, ,

Using a deterministic model for dairy herd according to milk pricing system in Iran, the economic weights of milk production, fat percentage, protein percentage and herd life with minimized cost were identified, while restricted total input and total costs were variable in animal unit. By data simulation and the data obtained from 3 different dairy herds in Iran, the sensitivity of economic val...

2014
Ramu Endluri Peshal B. Nayak Preetam Kumar Yen-Liang Kuo Sheng-Bing Chen Yong-Chang Jiao Wei Wang Yi-Cheng Lin Kuan-Jung Hung Qing-Xin Chu Ying-Ying Yang

A low cost, dual band antenna has been proposed and studied in this paper. The antenna consists of two elementsa T-shaped element and an F-shaped element. A microstrip feed line with a characteristic impedance of 50? has been used to feed the T-element which is responsible for the generation of the higher band of operation. The F-element is placed on the other side of the dielectric and is coup...

ژورنال: علوم آب و خاک 2006
علی نیکخواه, , محمد مرادی شهر بابک, , پویا زمانی, , سید رضا میرایی آشتیانی, , عباسعلی ناصریان, , فریدون اکبری, ,

Improvement of feed efficiency in dairy farming economically has a great importance. In this study, the genetic parameters of net energy efficiency and its relationships with milk yield, 3.2% fat corrected milk, body weight, gross income and income over feed costs were investigated, by the 2589 monthly records collected from the 723 lactating cows in the 3 herds. The different requirements of e...

J. Pirhonen J. Vielma U.D. Enyidi,

Plant proteins are plausible fishmeal substitutes but are deficient in some essential amino acids (EAA) like lysine and methionine. Combination of different plant proteins with complimentary EAA could be useful alternative. Bambaranut (Voandzeia subterranea) contains high amount of lysine while methionine is in sesame seed (Sesamum indicum). This experiment tested effects of combining sesame se...

Journal: :journal of agricultural science and technology 2011
h. fazaeli h. a. golmohammadi a. a. shoayee n. montajebi sh. masharaf

this experiment was conducted to evaluate the effect of barley green fodder produced by hydroponics system on the performance of feedlot calves. in a completely block randomized experiment, 24 cross bred (holstein×local) male calves were assigned randomly to one of the two treatments (diets) that were either control (grain barley) or hydroponic barley green fodder (bgf) that was included to...

2009
Miao Zhang Jiro Hirokawa Makoto Ando

This paper is to demonstrate the potential and realizability of a high-performance waveguide slot antenna. A double-layer slotted waveguide array with a partially corporate feed circuit installed in the bottom layer is proposed and designed in 38GHz band to realize broadband characteristics. For the antenna realization, a diffusion bonding of laminated thin plates is introduced as the fabricati...

2005
S. Prawirodigdo

This paper discusses aspect of digestion estimate in amino acids and nitrogen of feed for pigs. It has been highlighted that low utilization of protein does not only being a high cost to the pig industry, but also results in an environmental hazard. In formulation of diets for pigs, it is necessary to pay attention to the profile and character of feed protein. It is well understood that before ...

2002
U. Rosenberg J. Bornemann

Splashplate feeds, e.g. [1], are increasingly used for high performance parabolic antennas. The feed is directly interfaced in the focus of the antenna by a straight circular waveguide through the antenna vertex which simultaneously acts as feed support. At the far side of the waveguide, the need of a circularto-rectangular waveguide transition is obvious to overcome proper interfacing with sta...

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