搜索结果: 1-3 共查到“畜牧学其他学科 changes”相关记录3条 . 查询时间(0.093 秒)
CHANGES IN RANGE OF PERFORMANCE TEST RESULTS OF GILTS OF POLISH LARGE WHITE BREED PRODUCED IN POLAND IN BYDGOSZCZ BREEDING REGION
Polish Large White gilts performance test
2010/12/7
The aim of the paper was analysis of changes in range of performance test results of 19782 gilts of Polish Large White conducted in years 1995-2004, produced in Poland in the area activity of Bydgoszc...
AGE-RELATED CHANGES IN THE PERCENTAGE CONTENT OF CARCASS PARTS IN GEESE
geese carcass parts age
2010/12/6
The experimental materials consisted of Koluda White geese, 128 males and 128 females, raised for 12 weeks and fed standard diets ad libitum. Starting from the second week, 28 birds (sex ratio 1:1) we...
CHANGES IN WORKING CONDITIONS AND HEALTH AMONG DAIRY FARMERS IN SOUTHERN SWEDEN. A 14-YEAR FOLLOW-UP
musculoskeletal symptoms questionnaire longitudinal study
2010/12/24
The objective of this study was to describe and analyse the changes in working conditions and health among dairy farmers in Scania in southern Sweden during the period 1988-2002 by a repeat of a mail-...