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The effects of cereal grain and feed mixtures ground with hammer mills to different particle size, on ileal and faecal digestibility, feed nutritive value and growth performance in pigs were discussed. The effectiveness of using roller-milled cereal grains in pig nutrition was also considered. Moreover, the effect of particle size and feed disintegration methods on pig stomach health was described. Recomendations concerning the grinding methods and proper particle size of feed for pigs are included.
The research aimed at evaluating the epizootic and epidemiological situation of trichinosis during the last 8 years in Lublin province on a background of progressing increase in wild boar population within the region and in the whole country. Data for the study were taken from the report on the results of the official examination of slaughter animals and meat, poultry, game, lagomorphs and aquaculture animals and six reports on the number of trichinosis cases found at wild boars and domestic swine. In order to evaluate the trichinosis epidemiological situation within the region, reports of the National Institute of Public Health-National Institute of Hygiene on the number of identified trichinosis cases in people, as well as the number of hospitalised patients were presented. In addition, information on the population and hunting achievement of wild boars in hunting circuits of Lublin province during the last 8 years was enclosed. The number of identified trichinosis cases in meat of wild boars from Lublin region increased 9 times, while the percentage of trichinosis occurrence in reference to the number of examined carcasses almost 3-fold. At the same period, the number of porcine carcasses, in which trichinosis was found, decreased by over 4 times. Over double increase in wild boar population on the studied area was observed during the evaluation. Dynamic increase in the population size - in an aspect of the species population interaction with the living habitat, and in the form of the increase in the number of damages of crops and cultivation fields - contributed to intensified hunting pressure towards the species expressed as almost 3-fold increase of wild boar hunting. Analysis of epizootic and epidemiological situation of Poland indicates that wild boar meat was the principal source of trichinosis during the studied period. Considering Lublin province, the number of identified trichinosis cases is still high as compared to eastern and central provinces. Meanwhile, when compared to western and northern Poland, the level of trichinosis invasion can be considered as low. Furthermore, the trichinosis morbidity among people, that does not exceed 0.18/100 thousand inhabitants, can be regarded as low. Nevertheless, the fact of underestimating the necessity of both wild boar's and swine's meat examination seems to be alarming.
Medycyna Weterynaryjna
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2010
|
tom 66
|
nr 08
s.562-565,rys.,tab.,bibliogr.
The paper presents the rabies epizootic of animals in the Lublin region during oral immunization of free-living foxes. It also includes an analysis of the free-living fox population and systematic hunting of the species during prophylactic vaccination. During the eight years of oral immunization of foxes, the number of observed rabies cases in Lublin region decreased by 76 fold. In addition, rabies has been recently diagnosed almost exclusively in wild animals within the surveyed region. Despite such a significant decrease of animal morbidity, the remaining free-living foxes are the general reservoir of the rabies virus, and the Lublin region is still among the regions with the highest risk of rabies occurrence. In 2009 over 40% of all rabies cases reported in Poland were from the Lublin region. An increase of the fox population occurred in Lublin region during the oral immunization of the species, which directly affected the increase of hunting obtention of the species that became twice as high in the studied period. Despite intensified hunting of the fox population during the investigated period, an over 70% increase of the population was observed, which had negative effects on the small animals population (hare, pheasant, and partridge).
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