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Cattle feeding in the region of Great Poland is based on silages from maize, beet leaves and grasses as well as on hay and fodder beets. The aim of this experiment was to study optimization of cattle feeding in relation to their physiological status. Reduction of watery silages, particularly silages from sugar beet leaves, and higher share of hay in diets for dried cows yielded good results with regard...
The examinations of the effect of feed supplements, Acetona and Melwit, and ergotropics, Avotan and Avatec, in feeding dairy cows, were carried out on low-land black-and- white cows, in various lactation periods and at low and high nutrition levels. When compared to the control sample, it was found out that at a high nutrition level, Melwit and Acetona increased milk yield by 11.3% and 3.6% respectively,...
The purpose of study was to determine the effect of supplements added to the diet of cows during the "dried" period, on the subsequent milk production and offspring performances. The IInd experimental group of cows was fed with MONOMIX supplement, the IIIth group with Na₂HCO₃+MgO, the IVth group with B-composition, while the Ist group was settled as a control. It was concluded, that both,...
Study was conducted on 43 Lowland-Black-White cows kept tethered and on straw bedding, where the annual average milk yield was on the level of 3890 kg/cow, and on 22 cows from free-stand, concrete floor barn, with the milk production of 3200 kg/cow. On the ground of preliminary assignments of ketone body and acid base balance, cows were allotted to one of three groups: Ith - group of healthy animals,...
Investigations were conducted on two groups of dairy cows, housed into the structures differed considering the systems of feeding and maintenance /structure I was free-stand, concrete barn; structure II - tethered, litter bedding barn including pasture during summer/. Cows selected for an experimental trials, /3 and h months of pregnancy/, were clinically examined and the blood was taken for hematology...
Celem pracy było zbadanie wpływu preparatu Acinormin na zachowanie się parametrów biochemicznych i rkz, przebieg puerperium i wydajność mleczną krów. Wykazano pozytywne buforujące działanie preparatu, poprawiające niestabilną przemianę materii i regulujące homeostazę ustroju. U krów doświadczalnych obserwowano wyraźny wzrost poziomu Mg w surowicy 3 tygodnie po porodzie oraz stan równowagi w zakresie...
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