منابع مشابه
Feed Grain Volatility and Effects on Feeder Cattle Producers
John M. Marsh (406) 994-5621 [email protected] Prices received by cow-calf producers depend upon many factors including retail beef demand, red meat and poultry supplies, food safety, trade in live cattle and beef, and breeding cattle inventories. In addition, feed grain supplies and prices are important since they impact the cost of gain in cattle finishing. Cost of gain influences feedlot de...
متن کاملCLASSIFICATION OF THE FEED-RATE OPTIMIZATION TECHNIQUES: A CASE STUDY IN MINIMIZING CNC MACHINING TIME
Along with increasingly development of CAD/CAM software and their application in various industries, minimizing of the machining time is found to be more important. In this paper, firstly the concerning subjects are discussed regarding classification of the optimization techniques. These are programming techniques, high speed machining techniques and feed rate optimization techniques. As a case...
متن کاملEffects of creep feeder design and feed accessibility on preweaning pig performance and the proportion of pigs consuming creep feed
Materials and methods: A total of 54 sows and their litters were assigned to three treatments: rotary feeder with hopper, rotary feeder without hopper, and pan feeder. A creep diet with 1.0% chromic oxide was offered ad libitum from Day 18 until weaning (Day 21). Fecal samples were collected from piglets with sterile swabs 3 to 12 hours before weaning. Piglets were categorized as “eaters” when ...
متن کاملEffect of feeder space during the growing and laying periods and the rate of feed increase at the onset of lay on broiler breeder female reproductive function1 2
A study was conducted to examine how 2 feeder space allocations during the rearing period followed by 2 feeder space allocations after photostimulation and 2 female feeding to peak programs (fast or slow) affected female broiler breeder reproductive performance and mortality. Sixteen pens of 76 breeder females each were equipped with either 4 tube feeders with a 132 cm circumference pan (7.0 cm...
متن کاملFeed Rate Profiles Synthesis Using Genetic Algorithms
In the paper a genetic algorithm for feed rate profiles synthesis is proposed. An E. coli fed-batch fermentation process is considered. The feed rate profiles based on three different lengths of chromosomes are synthesized. A satisfactory result for the fermentation system due to economical effect and process effectiveness is achieved.
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ژورنال
عنوان ژورنال: Transactions of the Japan Society of Mechanical Engineers
سال: 1978
ISSN: 0029-0270,2185-9485
DOI: 10.1299/kikai1938.44.2035