Correction to: Nordic forest management towards climate change mitigation: time dynamic temperature change impacts of wood product systems including substitution effects

European Journal of Forest Research -     

Ultrasound in the Gynaecological Diagnosis in Bovine with Respect to Embryo Transfer*

The use of ultrasonography in cases of embryo transfer in cattle provides valuable additional information. Indications are the examination of uterus and ovaries, control of superovulation, ultrasound-guided follicle punction for oocyte collecting, pregnancy diagnosis from day 20 and monitoring of early pregnancy for occurrence of embryonic death. Especially the ultrasound-guided follicular aspiration of oocytes seems to be a successful path for a avoiding superovulation. Inhalt: Die Sonographie in der gynäkologischen Diagnostik unter dem Aspekt des Embryotransfers Durch die Sonographie können für Arbeiten in Zusammenhang mit dem Embryotransfer, wie am Beispiel des Rindes gezeigt wurde, wertvolle zusätzliche Informationen erhalten werden. Indikationen für den Einsatz von Ultraschall sind die Funktionsüber-prüfung von Uterus und Ovarien, die Kontrolle der Superovulation, die Oozytengewinnung unter sonographisch überwachter Follikelpunktion mit transvaginalern Zugang, die Graviditätsdiagnose ab dem 20. Tag und die Überwachung der Frühgrauidität, wobei vor allem das frühzeitige Erkennen einer embryonalen Mortalität von Bedeutung ist. Besonders die transvaginale Follikelpunktion zur Oorytengewinnung scheint ein vielversprechender Weg zu sein, wenn eine Superovulation vermieden werden soll oder die betreffenden Tiere aufeine hormonale Stimulation nicht reagieren.     

Utilization of a habitat mosaic by cotton rats during a population decline

This study describes the demographic features of a population of Sigmodon hispidus utilizing the habitat mosaic provided by a Carolina Bay on the Atlantic coastal plain of South Carolina. A total of 71 cotton rats were captured 160 times on a 4 ha grid during a winter decline from 25/ha to less that 1/ha. Body weights of adults declined until early February and then increased; those of subadults grew very slowly until February followed by a spurt in growth. Weight gain did not differ between survivors and non-survivors for males, but female survivors gained 1.5 g per week more than non-survivors. Female subadults exhibited higher mortality early in the decline and males later.Adult females were randomly distributed across 8 microhabitats, whereas adult males were almost exclusively confined to heavy Rubus cover. Subadult males used wet sites more than any other cohort; subadult females were widely distributed using drier sites most frequently. By the end of the decline, all survivors were localized in Rubus-dominated patches. No statistically significant changes in electromorph genotypes or allele frequencies were detected, but survivors had a higher frequency of the F-allele at the adenylate kinase locus than did non-survivors (42.3% vs. 16.7%).Our findings affirm the importance of a landscape perspective in understanding the population dynamics of cotton rats, and show how a habitat mosaic influences survival differentially among sex-age cohorts.     

Application de la chromatographie en phase gazeuse au controle de la purete des corps gras

Résumé La chromatographie gazeuse, malgré les difficultés rencontrées dans l'interprétation quantitative des chromatogrammes, est suffisamment reproductible pour être appliquée aux contrôles de la pureté des corps gras.Par la mise en évidence d'acides gras étrangers à la composition de l'huile (ou de la gra sse) examinée, par la comparaison de sa composition générale avec la composition moyenne des produits de ce type, par la détermination de certains rapports de constitution, la chromatographie gazeuse permet de contrôler la pureté des corps gras avec une sensibilité qu'il était impossible d'envisager il y a quelques années.

---

Summary Gas-chromatography, despite the difficulties met in the quantitative interpretation of chromatograms, is sufficiently reproducible to be applied to the industrial controls of fats.By showing the presence of fatty acids foreign to the composition of the studied oil (or fat), by the comparison of its general composition with the average composition of this type of products, by the determination of certain constitutional relations, gas chromatography gives us the possibility to control the purity of fats with a sensitivity that we could not have considered a few years ago.

---

Zusammenfassung Die Gaschromatographie ist, trotz der angetroffenen Schwierigkeiten in der quantitativen Auswertung der Chromatogramme, genügend reproduzierbar um für industrielle Kontrollen der Reinheit von Fetten angewandt zu werden.Durch Darstellung der Ölzusammensetzung (oder der Zusammensetzung der Fette) artfremder Fettsäuren in den untersuchten Proben, durch Vergleich seiner Allgemeinzusammensetzung mit der Durchschnittszusammensetzung von Produkten dieses Typs, durch die Bestimmung bestimmter Komponentenbeziehungen, ermöglicht die Gaschromatographie es, die Reinheit der Fette mit einer Genauigkeit zu prüfen, die man vor einigen Jahren nicht für möglich gehalten hätte.

     

Clonal characteristics of experimentally induced "atherosclerotic" lesions in the hybrid hare

The female hybrid hare (Lepus timidus x Lepus europaeus) is heterozygous for electrophoretically separable, X-linked isoenzymes of glucose-6-phosphate dehydrogenase. The isoenzymes of this animal have been used as cellular markers in the study of the clonal origins of experimentally induced atherosclerotic lesions. Aortic lesions produced in the hybrid hare by feeding cholesterol and injuring the aortic wall with a catheter have been shown to have polyclonal characteristics and in this way are fundamentally different from atherosclerotic fibrous plaques in man.     

W?lder und Waldwirtschaft in Bulgarien

Ohne Zusammenfassung     

Ethnic differences in alcohol sensitivity

Japanese, Taiwanese, and Koreans, after drinking amounts of alcohol that have no detectable effect on Caucasoids, respond with a marked facial flushing and mild to moderate symptoms of intoxication. Group differences are present at birth, and are probably related to variations in autonomic reactivity.