Conversion blues.

Nurs Times

Published: August 1992

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Background: Psoroptic mange, caused by Psoroptes ovis mites, is affecting Belgian Blue cattle's welfare and production potential. The Belgian Blue cattle-known for its high degree of muscling, low feed conversion ratio and high beef quality-is highly susceptible for this disease.

Results: In this study, we phenotyped 1975 Belgian Blue cattle from more than 100 different groups on commercial beef farms for their psoroptic mange susceptibility.

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The solution behavior of a polyoxometalate cluster, LiNa-UPp (LiNa[(UOO)(PO)]) that consists of 24 uranyl ions, peroxide groups, and 12 pyrophosphate linkers, was successfully predicted based on new thermodynamic results using a calorimetric method recently described for uranyl peroxide nanoclusters (UPCs), molybdenum blues, and molybdenum browns. The breakdown of LiNa-UPp and formation of U (Li[UOOOH]) was monitored via Raman spectroscopy using a custom heating apparatus. A combination of analytical techniques confirmed the simultaneous existence of UPp and U midway through the conversion process and U as the single end product.

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