Union Catalogue of Agricultural Libraries in the Netherlands
The WUR Library Catalogue contains bibliographic data on books and periodicals held by the libraries of Wageningen University and Research Centre and some 15 associated libraries. Holding data are added to each record.
Subjects covered include Agrotechnology, Food and Food Production, Plant and Animal Sciences, Soil Science, Geo-information, Landscape and Spatial Planning, Water and Climate, Ecosystem Studies, Economics and Society.
The joint collections of the participating libraries cover a substantial part of the internationally available scientific literature in these disciplines.
As far as Dutch scientific literature in these fields is concerned, coverage can be considered near 100%, including much of the so-called "grey literature".
All titles are entered in their original language. Keywords are added to facilitate subject searching.
The database is updated every day and now contains over 830.000 records.
Milk recording is an important factor in checking the profitability of dairy farming. In the cheese district considered, where full-cream Gouda cheese is produced on the farm, the customary records of milk yield and fat content were insufficient, because output was determined by the cheese yield of the produced milk, which in its turn depended largely on the casein content of the milk. It was found that the rather weak correlation between fat and casein contents could not serve as a basis for prediction of the cheese yield in practice. Therefore a simple method was devised for estimating the yield of fat-free cheese. This factor was found, however, to correlate sufficiently well with fat content and density of the milk. Consequently, a multiple regression equation was calculated between percentage cheese yield, and fat content and density, that could successfully be applied in profitability checks and for breeding programmes.
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