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.
In the Netherlands, separate activities of FSH and ICSH in the pituitary, morphological changes in ovaries and vaginal smears were examined in Texel ewes during the oestrus cycle. Both FSH and ICSH content of the pituitary decreased very sharply in late dioestrus. Immediately after ovulation, FSH content increased again but ICSH not before the end of luteinisation. Times of oestrus in Dorper sheep, (a non-wool mutton breed) and in the Merino (with good quality wool) were determined during grazing on mixed Karroo veld in South Africa. The relation between age or Reece type and oestrus was studied in the Dorper. Maiden ewes had a limited breeding season. Mature ewes, especially those of intermediate fleece type, exhibited oestrus throughout the year. Merino sheep had a limited breeding season as judged by oestrus and by ovarian morphology. The difference in length of breeding season between Dorper and Merino sheep seemed to be of great practical importance.
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