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The relationship between culling rate, herd structure and production efficiency in a pig nucleus herd
pig computer simulation culling rate
2015/6/8
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...
Relationships among body condition score, milk yield and sires’ breeding value for beef production efficiency in Czech Fleckvieh cattle
body condition score (BCS) relative breeding value (RBV) net daily gain (NG) milk yield Czech Fleckvieh
2015/6/5
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...
Change in the production efficiency of European specialized milk farming
agriculture milk production technical improvement Malmquist index investment
2015/2/6
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...
Effects of Various Training Systems on Fruit Production Efficiency in Young Filler Trees of Japanese Pear ‘Gold Nijisseiki’
fruit productivity number of scaffold shoot growth training yield efficiency
2009/7/9
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
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...