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Celem pracy było omówienie zagrożeń dla zdrowia zwierząt wywołanych przez naturalne substancje szkodliwe, tj. fitotoksyny i mikotoksyny pochodzące z pasz, z uwzględnieniem ich negatywnego wpływu na jakość mleka, a w konsekwencji na zdrowie człowieka. Jako najbardziej szkodliwe związki pochodzące z pasz najczęściej wymieniane są: alkaloidy, glikozydy, saponiny, olejki eteryczne i kwasy organiczne,...
W pracy analizowano podstawowy skład chemiczny i profil kwasów tłuszczowych w tłuszczu mleka krowiego i koziego, wyprodukowanego w certyfikowanych gospodarstwach ekologicznych Polski południowo-wschodniej. Oceniono 54 próbki mleka krowiego, w tym 28 pobranych na początku marca (sezon żywienia zimowego) i 26 - w końcu lipca (żywienie letnie) oraz 60 próbek mleka koziego (po 30 pobranych w tych samych...
The studies on resistance to selected antibiotics were conducted on a total of 5154 isolates, including 2661 Staphylococcus sp., 2349 Streptococcus sp. and 144 E. coli, obtained from clinical and subclinical cases of bovine mastitis. Milk came from dairy farms in the Lubelskie Voivodeship. During the five-year research period (2007-2011), the isolated bacteria proved susceptible to the following antibiotic...
The aim of the study was to analyze somatic cell count (SCC) In milk of high yielding cows in dependence on various factors: month of lactation and cow age (subsequent lactation), calendar month, day milk yield as well as milk yield for 305 days of lactation. The research was conducted on the randomly selected group of 70 Polish Holstein Friesian cows coming from high yielding dairy herd. The data...
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