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搜索结果: 1-7 共查到production efficiency相关记录7条 . 查询时间(0.171 秒)
Computer simulation of sow culling was run in a nucleus herd. The specified constant culling rate from 15 to 21% was simulated for all parities. The resultant different age structure of a herd was stu...
The objective of this study was to analyze the relationships among cows’ body condition score before calving, subsequent BCS changes, milk yield, lactation characteristics and their sires’ relative br...
The aim of the article is to identify the key structural, yield and economic determinants of the change in regional efficiency of specialized milk farms over the period 2007 to 2011. The following qua...
For the purpose of obtaining early and high yield in young filler trees of Japanese pear ‘Gold Nijisseiki’ the effect of different training systems on fruit production efficiency was investigated. Per...
PRODUCTION EFFICIENCY IN YAM BASED ENTERPRISES IN EKITI STATE, NIGERIA     wetland  upland  stochastic frontier  efficiency       font style='font-size:12px;'> 2010/12/3
This paper investigates the production efficiency in yam based enterprises is Ekiti State, Nigeria. Primary data were collected through the use of structured questionnaires from 150 farmers randomly s...
This paper reports on a research project aimed at optimising the print and electronic production process of therapeutic guidelines and making the data elements and underlying logic machine-readable. W...
The data on 512 Hariana cows, progeny of 20 sires calved during period from 1974 to 1993 maintained at Government Livestock Farm, Hisar were considered for the estimation of genetic parameters. The me...

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