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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Qualitative pollen analysis of honey from bees kept in Czech Republic
 VALEŠKOVÁ, Denisa
Pollen analysis is the determination of a pollen grains in a honey sediment. The main goal of the thesis was to qualitatively assess a honey from the bees breed in different parts of the Czech republic and to evaluate, if there are any differences in bee grazing between a bees breed in the city and a bees breed in the countryside. Investigate, if a pollen is associated with the colony diseases and higher susceptibility to the pesticides from the field crop. It was found that the dominant plant taxon were canola and fruit trees. In the urban centers was high concentration of the pollen grains from a woody plants, which bees probably visit in local parks. Rural areas were miscellaneous species with high concentration of the herbaceous plants that are part of the meadows.
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Vlivy výšky hřbetního tuku při zapouštění na reprodukční ukazatele prasnic
 VALEŠKOVÁ, Denisa
The bachelor thesis topic is about rating of a sows reproduction attributes due to the backfat thickness during fertilization. In the academical part of this thesis are described primary factors which affects sows reproduction. The aim of thesis is evaluation of each reproduction factor affecting sows reproduction at the breeding farm. Data was collected in year 2019 from 1 865 pcs. gilts and sows stabled at the breeding farm. The measurement of the backfat thickness in the monitored group of pigs is done approximately one week before fertilization after weaning of sows to the separated cages. Best fertilization results sows and gilts achieves at the limits of measured values of the backfat thickness. In the monitored group, sows in average reach 17,2 piglets per birth that means 41,3 of all piglets born per year. The most live-born piglets from sows are in range from 8 mm to 18 mm and 18,1 piglets in average. The most live-born piglets from gilts are in range from 10 mm to 14 mm, which is lower values for backfat thickness, and 16,5 piglets in average.
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