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It is worth highlighting that carprofen is generally very well tolerated by patients, which may be an additional argument in favour of using this drug in the treatment of osteosarcoma in dogs. However, to make an unequivocal statement that carprofen can be introduced for routine use in the treatment of this type of tumours a series of additional studies would be required. The results obtained in this experiment may be a starting point for further research. It should be emphasised that there is little information available in the literature on the effect
Kristine Vander Mijnsbrugge, Luc De Cleene and Hans Beeckman
Hybrids between Quercus robur and Q. petraea have been a sought topic of many studies in Europe during the last decades. Here, leaf and fruit morphology were studied in five oak stands where both species occur naturally intermixed. The stands are relicts of old, possibly medieval coppice wood. Twenty two leaf characters and nine fruit characters were assessed on three leaves and three fruits per tree and for thirty trees per stand. A principal component analysis (PCA) resulted in a bimodal distribution with restricted overlap along the first component when both leaf and fruit data were processed together. For leaf and fruit data separately, the analysis produced only continuous clusters of trees. Two types of putative hybrids can be defined that either show a petiole length of the leaf (PL) according to Q. robur and a petiole length of the fruit (FP1) according to Q. petraea, or vice versa. These hybrids cluster within both groups of the PCA analysis, but not all are situated close to or in the intermediate area between the groups. A lowered mean relative number of developed acorns in the hybrid groups in comparison to their putative maternal parent, based on the assumption of matroclinal inheritance of PL, is observed. This might indicate a reduced ability for successful fertilisation in the hybrids. These results suggest the presence of putative hybrids and introgressed forms within the morphological distinct Q. robur and Q. petraea groups and argument for a taxonomically defined Q. x rosacea based on PL and FP1 limits.
Srđan Stojnić, S. Orlović, D. Ballian, M. Ivankovic, M. Šijačić-Nikolić, A. Pilipović, S. Bogdan, S. Kvesić, M. Mataruga, V. Daničić, B. Cvjetković, D. Miljković and G. von Wuehlisch
, R., G. BOZIC, D. GÖMÖRY, G. HUBER, E. RASZTOVITS and G. VON WÜHLISCH (2010): The survival and performance of beech provenances over a Europe-wide gradient of climate, pp. 115-126. In: Monografias INIA: Serie Forestale No. 22. Genetic Resources of European Beech (Fagus sylvatica L.), edited by I. Aranda. Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Madrid, ES.
AMMER, C., E. BICKEL and C. KOLLING (2008): Converting Norway spruce stands with beech - a review of arguments and techniques. Austrian Journal of Forest Science 125
Laura Pindaru, Iulia Maria Balaci and Ioan Ştefan Groza
. Kalfoglou AL, Kammersell M, Philpott S, Dahl E. Ethical arguments for and against sperm sorting for non-267 medical sex selection: a review. Reprod Biomed Online 2013;26:231-9. DOI: 10.1016/j.rbmo.2012.11.007
66. Liao SM. The ethics of using genetic engineering for sex selection. Med Ethics 2005;31:116–118. DOI: 10.1136/jme.2003.005983