搜索结果: 1-5 共查到“畜牧经济学 Performance”相关记录5条 . 查询时间(0.25 秒)
Effects of different dietary threonine levels on growth and slaughter performance in finishing pigs
threonine pigs urea goblet cell requirement
2015/6/4
The objective of this study was to determine the threonine (Thr) requirement of a modern crossbred growing pig from Austria in the finisher stage (67 to 113 kg body weight). For on average 50 days, 30...
Adult steers for beef production: breed effect on animal performance, retail yield and carcass quality
adult steers carcass quality breed effect retail yield
2015/6/2
The production of adult steers for beef could be a profitable use of the territory in some mountain areas in the south of Europe, where this production is nearly inexistent, owing to an increase in th...
Effect of Medicinal Plant By-products Supplementation to Total Mixed Ration on Growth Performance, Carcass Characteristics and Economic Efficacy in the Late Fattening Period of Hanwoo Steers
Medicinal Plant Byproducts Growth Performance Carcass Characteristic Hanwoo Steer
2016/5/19
This study was conducted to evaluate the effect of medicinal plant by-products (MPB) supplementation to a total mixed ration (TMR) on growth, carcass characteristics and economic efficacy in the late ...
Key Performance Indicators to Diagnose Poor Farm Performance and Profitability of Smallholder Dairy Farmers in Asia
Dairy Asia Smallholder Key Performance Indicators
2016/5/3
This review presents a series of Key Performance Indicators (KPI) to assist Asian smallholder dairy farmers in identifying the possible causes for their poor farm performance and profitability. When a...
EFFECT OF SOME ENVIRONMENTAL FACTORS ON WEANING PERFORMANCE OF HUNGARIAN GREY CATTLE POPULATIONS
Hungarian Grey cattle environmental effects genetic parameters heritability
2010/11/30
Weaning performance of 2857 purebred calves (660 male and 2197 female) born from 1498 cows mated with 78 sire were analised in seven farms. Genetic- and environmental variance and heritability, breedi...