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Wyświetlanie 1-10 z 14
Tytuł:
Zanieczyszczenie wermikompostow jajami pasozytow jelitowych
Autorzy:
Kiepas-Kokot, A
Bienko, R
Hury, G
Powiązania:
https://bibliotekanauki.pl/articles/804063.pdf
Data publikacji:
2004
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
jaja pasozytow
pasozyty jelitowe
zanieczyszczenia kompostu
kompost
wermikompost
Opis:
The evaluation of different contaminations of vermicomposts produced from organic wastes (manure, sewage sludge and green plant wastes) by helminth eggs was the aim of this paper. In samples of vermicomposts produced from manure the number of helminth eggs (Ascaris sp., Trichuris sp., Toxocara sp.) was over the permissible level but in samples of vermicomposts produced from green plant wastes this number was in the allowable range. In the case of vermicompost samples produced from sewage sludges no helminth eggs were found. The sanitary status of raw materials used for the production of vermicomposts was the most important factor conditioning their contamination by helminth eggs. For that, the analysis of sanitary status of raw materials should be the main criterion for the evaluation of their suitability for vermicompost production. The thermal and moisture conditions favorable for preservation of helminth eggs vitality prevailed during the vermicomposting processes which does not allow the proper sanitation of the produced vermicomposts.
Celem niniejszej pracy było określenie liczebności jaj helmintów w wermikompostach wytworzonych z różnych odpadów organicznych: obornika, osadów ściekowych i odpadów zieleni oraz w wodnych wyciągach z wermikompostu obornikowego. W badanych próbkach stwierdzono ponadnormatywną liczebność jaj pasożytów jelitowych (Ascaris sp., Trichuris sp., Toxocara sp.) w wermikompoście wytworzonym z obornika oraz mieszczącą się w normie w przypadku wermikompostu z odpadów zieleni. W badanych próbkach wermikompostów osadowych nie stwierdzono występowania żywych jaj helmintów. Za czynnik warunkujący stopień zanieczyszczenia wermikompostów jajami pasożytów jelitowych należy uznać stan sanitarny surowców wykorzystanych do produkcji i w związku z tym analiza zanieczyszczenia surowców pod względem sanitarnym powinna być szacowana jako kryterium jego przydatności do produkcji wermikompostów.
Źródło:
Zeszyty Problemowe Postępów Nauk Rolniczych; 2004, 498; 111-117
0084-5477
Pojawia się w:
Zeszyty Problemowe Postępów Nauk Rolniczych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Epidemiologiczne badania nad Echinococcus multilocularis u lisow rudych w Polsce Polnocno-Zachodniej
Autorzy:
Ramisz, A
Eckert, J.
Balicka-Ramisz, A.
Bienko, R.
Pilarczyk, B.
Powiązania:
https://bibliotekanauki.pl/articles/838121.pdf
Data publikacji:
1999
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
pasozyty zwierzat
parazytologia
lis pospolity
Polska Polnocno-Zachodnia
epidemiologia
Echinococcus multilocularis
tasiemce
Opis:
The studies were carried out in 15 provinces of North-West part of Poland in the years 1994-1997 under a regime of strict laboratory safety regulation. The intestine of 1909 red foxes were examined for the presence of Echinococcus multilocularis according to the method of ECKERT et al (1991). The intestines were divided finto four to six sections and fifteen smears were prepared from each animal under study. Foxes infected with E. multilocularis were detected in 8 provinces. The average prevalence rate in these provinces was 1.20 per cent. Of special interest fis the finding in Słupsk and Gdańsk regions, where 9.6 per cent of foxes were infected-with E. multilocularis. In comparison with some other European endemic regions the prevalence rates of E. multilocularis in Poland was low, except for the Słupsk-Gdańsk area.
Źródło:
Annals of Parasitology; 1999, 45, 3; 369-373
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Epidemiologiczne badania nad Echinococcus multilocularis u lisów rudych w Polsce Północno-Zachodniej
EPIDEMIOLOGICAL STUDIES ON ECHINOCOCCUS MULTILOCULARIS IN RED FOXES IN NORTH-WEST POLAND
Autorzy:
Ramisz, A.
Eckert, J.
Balicka-Ramisz, A.
Bieńko, R.
Pilarczyk, B.
Powiązania:
https://bibliotekanauki.pl/articles/2148814.pdf
Data publikacji:
1999
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
pasozyty zwierzat
parazytologia
lis pospolity
Polska Polnocno-Zachodnia
epidemiologia
Echinococcus multilocularis
tasiemce
Opis:
The studies were carried out in 15 provinces of North-West part of Poland in the years 1994-1997 under a regime of strict laboratory safety regulation. The intestine of 1909 red foxes were examined for the presence of Echinococcus multilocularis according to the method of ECKERT et al (1991). The intestines were divided finto four to six sections and fifteen smears were prepared from each animal under study. Foxes infected with E. multilocularis were detected in 8 provinces. The average prevalence rate in these provinces was 1.20 per cent. Of special interest fis the finding in Słupsk and Gdańsk regions, where 9.6 per cent of foxes were infected-with E. multilocularis. In comparison with some other European endemic regions the prevalence rates of E. multilocularis in Poland was low, except for the Słupsk-Gdańsk area.
Źródło:
Wiadomości Parazytologiczne; 1999, 45, 3; 369-373
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bone losses in obese, ovariectomized rats appear to be independent from sclerostin-induced inhibition of the Wnt/β-catenin pathway
Autorzy:
Radzki, R.P.
Bieńko, M.
Filip, R.
Polak, P.
Michalik Wolska, J.
Powiązania:
https://bibliotekanauki.pl/articles/2085877.pdf
Data publikacji:
2020
Wydawca:
Instytut Medycyny Wsi
Tematy:
dietary induced obesity
bone
sclerostin
pQCT
DXA
rats
ovariectomy
Opis:
Introduction. Overweight and obesity, as well as a gonadal function, are pivotal factors influencing bone tissue metabolism. Materials and method. The aim of the study was to determine the effect of dietary induced obesity (DIO) on bone tissue metabolism in sham-operated (SHO) or ovariectomized (OVX) adult female Wistar rats. Additionally, the influence of DIO in SHO or OVX on the concentration of sclerostin in the blood serum was analyzed. After SHO or OVX, the rats were placed in groups (n=8) and either received a standard diet (11.5 MJ/kg) (SHO-CON; OVX-CON) or a high-energy diet (17.6 MJ/kg) (SHO-FAT; OVX-FAT). The experiment lasted for 90 days and allowed for the establishment of osteopenia in OVX females and obesity in the rats that had received the high-energy diet. Results. The results of the study demonstrate that obesity or/and ovariectomy increases the resorption of femora and tibiae, hence decreasing the densitometric and mechanical parameters affecting the bone structure in adult females rats. The strongest osteodegenerative effect was seen in the OVX-FAT females. Interestingly, the degree of bone tissue degradation caused exclusively by ovariectomy was similar to that found in the obese sham-operated rats. Conclusions. Bone losses invoked by DIO seem to be independent from the Wnt/β-catenin pathway inhibition induced by sclerostin. While further study is necessary, the obtained results suggest that the usage of sclerostin anti-body in the treatment of osteoporosis can be ineffective, and in obese patients the undertaking of such therapy should be reassessed.
Źródło:
Annals of Agricultural and Environmental Medicine; 2020, 27, 3; 394-400
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nesfatin-1 prevents negative changes in bone in conditions of developing osteopenia
Autorzy:
Puzio, I.
Tymicki, G.
Pawłowska, M.
Bieńko, M.
Radzki, R.P.
Powiązania:
https://bibliotekanauki.pl/articles/2085429.pdf
Data publikacji:
2020
Wydawca:
Instytut Medycyny Wsi
Tematy:
nesfatin-1
osteopenia
osteoporosis
ovariectomy
rat
DXA
pQCT
immunohistochemistry
Opis:
Objective. The aim of the study was to determine the effect of nesfatin-1 on bone properties in female rats in the conditions of developing osteopenia induced by ovariectomy (OVX). Materials and method. The experiment was performed on 21 female Wistar rats assigned to 3 groups receiving intraperitoneally physiological saline (SHO, OVX-PhS) and nesfatin-1 in dose 2 μg/kg BW of (OVX-NES) once a day for 8 wks. At the end of the experiment, the rats were scanned using the DXA method to determine the body composition, tBMC, and tBMD. The isolated femora and tibia were tested with the DXA method for BMD and BMC, and with the pQCT method for separate analysis of the cortical and trabecular bone tissue. The bone strength parameters were also determined. The immunohistochemical method was used for determination of nesfatin-1 localization in growth cartilage. Bone metabolism markers (osteocalcin, bALP, and NTx) were identified using an ELISA kit. Results. OVX exerts a negative effect on bone tissue. The nesfatin-1 administration influenced positively the DXA parameters of tibia. TvBMD and TbvBMD measured by pQCT in metaphysis of bones were significantly higher in the OVX-NES group than in OVX-PhS. No differences were found in the values of bone strength parameters between SHO and OVX-NES females. Extra- and intracellular immunohistochemical reaction for nesfatin-1 was observed in all zones of growth cartilage, with the strongest reaction detected in the calcifying zone. Nesfatin-1 administration caused a significant increase in the osteocalcin and bALP concentration in relation to the OVX-PhS animals. Conclusion. The results of the experiment indicate that nesfatin-1 exerts a protective effect on bone tissue properties and can be used in the prevention of osteoporosis.
Źródło:
Annals of Agricultural and Environmental Medicine; 2020, 27, 1; 66-75
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of fructan-enriched diet on bone turnover parameters in ovariectomized rats under calcium restriction
Autorzy:
Topolska, K.
Bieńko, M.
Filipiak-Florkiewicz, A.
Radzki, R.P.
Cieślik, E.
Powiązania:
https://bibliotekanauki.pl/articles/2085720.pdf
Data publikacji:
2020
Wydawca:
Instytut Medycyny Wsi
Tematy:
fructans
calcium dietary restriction
bone turnover
densitometry
ovariectomy
Opis:
Introduction. Osteoporosis, the “quiet epidemic”, is one of the most serious threats to public health. It is known that estrogen plays a significant role in the regulation of bone turnover, and its loss at menopause causes osteoporosis. Added to this, insufficient calcium intake accelerates bone mass loss, increasing the risk of fractures. Objective. The study aimed to answer the question whether a fructan-enriched diet could be helpful in preventing from disturbances in bone turnover caused by calcium restriction combined with ovariectomy-induced estrogen deficiency. The differences related to the kind of fructan and “matrix effect” of fructan action (form of addition) were also evaluated. Materials and method. The study was conducted using sham-operated (control groups) or ovariectomized (OVX) rats fed a calcium restricted diet. The treatment diets contained one of three fructan sources – Jerusalem artichoke, yacon and Beneo Orafti Synergy1 – added alone or as an ingredient of strawberry sorbet, all in the amount providing 8% fructans. Analyses of biological material included: serum Ca, Mg and P concentrations, alkaline phosphatase activity (ALP), osteocalcin (OC) and C-telopeptide degradation products from type I collagen (CTX). Densitometric parameters of femora were also assayed. Results. Among markers of bone turnover, the ALP activity depended both on the kind of fructan and the form of addition. The highest value was shown in the OVX group fed a low-calcium diet, whereas administration of diet enriched with Jerusalem artichoke led to an almost 50% decrease in the value of this parameter. Dietary fructans also lowered the OC level. Feeding rats with diet containing sorbet enriched in yacon or Jerusalem artichoke resulted in a decrease of CTX, compared to the diet containing yacon alone or fructan formulation in both forms No significant differences were observed in densitometric parameters between treatment groups. Conclusions. The obtained findings suggest that fructan administration with a calcium-restricted diet might exert a positive effect on bone turnover parameters. Regarding the form of their addition, it is possible that other constituents of sorbets contributed to the fructan action. It remains open whether this impact would be significant over a longer period of time.
Źródło:
Annals of Agricultural and Environmental Medicine; 2020, 27, 2; 219-224
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of obesity on the bone morphometry and histomorphometry in male and female Wistar rats
Autorzy:
Wolski, D.
Wawrzyniak, A.
Bieńko, M.
Michalik, J.
Radzki, R.P.
Arciszewski, M.B.
Powiązania:
https://bibliotekanauki.pl/articles/2087700.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
bone tissue
histomorphometry
humerus
obesity
osteocytes
adipocytes
rats
Źródło:
Polish Journal of Veterinary Sciences; 2018, 21, 3; 599-608
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
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