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We observed 75 Aberdeen Angus calves born in the years 2004–2007 and managed on pastures and wild areas of Karsibór, an island located in the northern part of the Szczecin Lagoon. An analysis was carried out on the results of maternal nursing of the calves in relation to subsequent calving, sex of the calf, and year of rearing.Asignificant (P≤0.01, P≤0.05) effect of subsequent calving on body weight...
Coproscopic examination, using the Willis-Schlaf flotation method, was performed in 122 cows imported to Poland from the Czech Republic, 28 from France, and 27 from Germany. The mean prevalence of infection with Eimeria protozoa in cows imported to Poland was 20.90%. Infections were found in 51.85% of animals imported form Germany, 28.57% from France, and 12.30% from the Czech Republic. Five species...
Celem pracy było ustalenie, czy wzrost rogów młodych i dorosłych tryków rasy wrzosówka polska wykazuje zależność sezonową oraz czy jest jednakowy u tryków młodych i dorosłych. Badania prowadzono na 21 młodych i dorosłych trykach przez dwa lata. Co trzy tygodnie mierzono przyrost rogów w czterech miejscach. Wykazano, że rogi tryków tej rasy wykazują intensywne zmiany w zakresie cech biometrycznych...
Celem badań było przeanalizowanie zmian wybranych wskaźników biochemicznych osocza oraz zmian procentowego udziału jąder w masie ciała tryków rasy wrzosówka polska w cyklu sezonowym. Oszacowano stężenie testosteronu, albumin, glukozy, aktywność fosfatazy zasadowej w osoczu krwi i procentowy udział jąder w masie ciała. Krew do analiz pobierano co 21 dni z żyły szyjnej zewnętrznej, pomiar wielkości...
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