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Breeding of laboratory mice for biomedical research
Maša Skelin, Marjan Rupnik, Marko Volk, 2010, original scientific article

Keywords: mouse breeding, husbandry, animal welfare, identification
Published: 10.07.2015; Views: 403; Downloads: 7
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Carcass and meat quality traits of pig fatteners from Slovenian breeding programme
Maja Prevolnik Povše, Martin Škrlep, Dejan Škorjanc, Marjeta Čandek-Potokar, 2008, published scientific conference contribution

Abstract: The aim of the present study was the comparison of carcass and meat quality traits of commercial pigs of various crossbreeds from two major Slovenian herds. The analysis is based on phenotypic data from field trials which have been collected in the last past five years within the Slovenian breeding programme. Important differences in carcass traits were observed between two herds and were associated to different crossbreeds used. In spite of that economically important result on the slaughter line (lean meat %) was similar for both herds. Meat quality traits were also significantly different between the two herds. Again, the difference could be ascribed to crossbreeds used. However, since the herd effect is connected with abattoir effect, different ante-mortem conditions and/or lower robustness of these animals to premortal stress could also be contributed to the observed differences. The presented results give important information on the state-of-the-art regarding meat quality of Slovenian pigs.
Keywords: pigs, carcass quality, meat, breeding programs, Slovenia
Published: 13.07.2017; Views: 392; Downloads: 44
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Perspectives of Christmas rose (Helleborus niger L.) genetic improvement
Andrej Šušek, 2016, original scientific article

Abstract: The Christmas rose is becoming a very important ornamental plant on the market. It is relatively new to intensive production technologies. The number of genetically-improved varieties on the market is limited, and many of the old cultivars are no longer available because of slow and economically unfeasible vegetative propagation. In the future, its genetic improvement will probably become inevitable. New cultivars will have to satisfy the specific requirements of the market and producers as well as strict environmental policy. In order to obtain new cultivars it will be necessary to evaluate the existing germplasm and apply an adequate genetic breeding approach. There are seven main possibilities of creating new varieties: the use of natural variation associated with seed germination, population approach based on recurrent selection, individual selection based on specific genetic combinations, the creation of inbred lines and the formation of hybrids, interspecific hybridisation, mutagenesis and genetic engineering. Molecular markers can be very helpful during the breeding process. They can be used in order to study genetic relationships amongst populations, ecotypes, varieties, and hybrids.
Keywords: Christmas rose, Helleborus niger, cultivars, breeding perspectives
Published: 14.11.2017; Views: 367; Downloads: 177
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Growth performance, productivity and diseases susceptibility of barley varieties in Slovenia within the Cobra project's site comparison
Silva Grobelnik Mlakar, Manfred Jakop, Martina Robačer, Martina Bavec, Franc Bavec, 2016, original scientific article

Abstract: Different plant genotypes react differently in different climates. A field experiment was carried out to estimate the growth performance, productivity and diseases susceptibility of spring barley varieties in the Slovenian climate. We received some varieties, mainly of Nordic origin, from the Technical University of Denmark, a COBRA project partner, which were previously tested in estimated future climate in RERAF phytotron. Varieties of the highest grain yield (3,993 kg ha$^{-1}$ in ‘Evergreen’ to 5,146 kg ha$^{-1}$ in ‘Sebastian’) were rather shorter (58.7 cm to 67.1 cm) and mostly had the highest specific grain weight (54.3 to 58.6 kg 100 L$^{-1}$) and 1000-kernel weight (30.2 to 37.1 g). They developed 1,561 to 2,532 tillers m$^{-2}$ and 515 to 840 ears m$^{-2}$ and reached a heading stage between 13th and 25th of May. The tested varieties seem rather insusceptible to most common diseases, but susceptible to cereal leaf beetle attacks.
Keywords: organic breeding, barley, varieties, productivity, disease susceptibility
Published: 14.11.2017; Views: 320; Downloads: 138
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