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Wyświetlanie 1-12 z 12
Tytuł:
Wild boar as the most important reservoir and vector of transmission of the African swine fever virus; why do we have to restrict their population
Autorzy:
Pejsak, Zygmunt
Truszczyński, Marian
Powiązania:
https://bibliotekanauki.pl/articles/704203.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
African swine fever
wild boar
reservoir of ASFV
control of ASF transmission
Opis:
Basing on Polish experience of about 5 years (since the presence of the African swine fever (ASF) in this country, starting from February 17th, 2014) and in accordance with literature the importance of the disease in wild boar is charaterised. ASF belongs to the most dangerous, very contagious diseases occurring in domestic swine and wild boar in Eurasia. In Europe, including Russia, Ukraine, Belarus, Lithuania, Latvia, Estonia, Poland, Romania, Hungary, Bulgaria, Czech Republic and Belgium ASF is existing at present and was diagnosed for short time in the frame of the Eurasian pandemy. There is a serious concern of spreading of the virus of ASF (ASFV) to other countries of Europe, not only by wild boar. However the reservoir of ASFV in this animal is playing a very important role in the maintenance of the virus and infection of pigs. Long lasting existence of ASFV in the environmnent is connected with the very high resistance to antiviral environmental factors. Following the lack of an effective immunogenic vaccine against ASF the disease can only be controlled by administrative measures. Additionally the important and recommended procedure is the significant reduction of the wild boar population. Probability of eradication of ASFV from wild boar is increased after adding quick carcass removal simultaneously by respecting biosecurity rules. If effectively implemented, fencing is more useful to delineating zones rather than adding substantially to increased efficiency of ASF control. However, segments of fencing will be particularly usefull in theses areas, where carcasses removal or intensive hunting is difficult to implement.
Źródło:
Nauka; 2019, 1
1231-8515
Pojawia się w:
Nauka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Szczepionka przeciwko afrykańskiemu pomorowi świń
Vaccine against African swine fever
Autorzy:
Pejsak, Zygmunt
Truszczyński, Marian
Powiązania:
https://bibliotekanauki.pl/articles/22019768.pdf
Data publikacji:
2020
Wydawca:
Krajowa Izba Lekarsko-Weterynaryjna
Tematy:
trzoda chlewna
szczepienia ochronne
szczepionki atenuowane
szczepionki zabite
badania naukowe
choroby zwierząt
afrykański pomór świń
zwalczanie chorób zwierząt
szczepionki żywe
bezpieczeństwo
skuteczność
African swine fever
live vaccines
swine
wild boar
safety
Opis:
African swine fever (ASF), occurring for many years, is at present the most significant viral disease of swine and wild boar. Despite of the situation, defined as a large epidemic or even pandemic, a vaccine is not yet available, It has been claimed that live, attenuated anti-ASF vaccines are most promising products on the way to control the disease. However the safe and effective vaccine is yet to be obtained. The current status in the field of ASFV vaccine development is encouraging, since ASFV strain(s) have been obtained, that have their virulence genes deleted. Deletion of ASFV genes that inhibit host antiviral type I interferon responses is considered as the most effective strategy to attenuate the virus. Deleted, live vaccinal strain(s) are still able to replicate and encode immunogenic antigens thus induce protective immunity in swine. However, a licensed cell line in which live, attenuated virus (LAV) can be propagated and produced on a large scale, is still not available. Concerning wild boar, the natural reservoir of ASFV, while developing live vaccine for swine protection, rigorous conditions for its safety and efficacy are strongly required.
Źródło:
Życie Weterynaryjne; 2020, 95, 06; 358-361
0137-6810
Pojawia się w:
Życie Weterynaryjne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ptasia grypa - światowy problem epidemiologiczny
Avian influenza - global epidemic problem
Autorzy:
Samorek-Salamonowicz, Elżbieta
Truszczyński, Marian
Kozdruń, Wojciech
Powiązania:
https://bibliotekanauki.pl/articles/1198683.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Przyrodników im. Kopernika
Opis:
Avian influenza is a contagious disease of animals caused by viruses, members of the family Or-thomyxoviridae, genus influenzavirus A. Influenza A viruses have 16 H subtypes and 9 N subtypes. Only viruses of the H5 and H7 subtypes are known to cause the highly pathogenic form of the disease. Wild waterfowl are considered the natural reservoir of all influenza A viruses. The role of migratory birds in the spread of highly pathogenic avian influenza is not fully understood. They have probably carried influenza viruses and they can introduce to poultry flock H5 and H7 viruses, which can mutate to the highly pathogenic form. Some migratory birds are now directly spreading the H5N1 virus in its highly pathogenic form. The widespread persistence of H5N1 in poultry population is dangerous for human health. In Hong Kong, H5N1 virus infected 18 people and killed 6 of them in 1997 and the second time in early 2003 the virus caused two infections, with one death. The virus has appeared in Asia and from mid-December 2003 through early August 2004 the outbreaks in poultry caused by the H5N1 virus were reported in nine Asian nations. Russia reports its first H5N1 outbreak in poultry in late July 2005, Kazakhstan and Mongolia in early August. In October 2005, H5N1 was confirmed in poultry in Romania and Turkey. The H5N1 virus was the cause of death or destruction of about 5 billion (milliard) birds. In the current outbreak, laboratory-confirmed human cases were reported in four Asian countries: Cambodia, Indonesia, Thailand and Vietnam The virus infected 126 people and killed 64 of them. According to WHO, FAO and OIE virus H5N1 appearing in many countries and expanding to the West, is a serious threat to human health.
Źródło:
Kosmos; 2005, 54, 4; 321-330
0023-4249
Pojawia się w:
Kosmos
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-12 z 12

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