Uticaj nivoa dobrobiti i stresnih faktora na krvne parametre kod krava tokom laktacije

Abstract

The aim of this study was to investigate whether there is a difference in the value of certain blood parameters in cows in the function of the level of fulfillment of the criteria and the presence of certain indicators of well-being on the farm. Cows in which the farms are not fully satisfied with the principles of the welfare of the metabolic status that indicates that they are significant stress load (the higher the concentration of cortisol), take small amounts of food (lower concentrations of glucose, urea calcium) and spend their own reserves to overcome external factors (higher value of NEFA and BHB) and the maintenance of homeostasis. The metabolic status of cows depends largely on the degree of satisfaction of the principle of the welfare and the presence of indicators of stress and can be a quality indicator in assessing the stress load of cows.Cilj ovog rada je da se ispita da li postoji razlika u vrednosti pojedinih krvnih parametara kod krava u funkciji nivoa ispunjenosti kriterijuma i prisustva određenih indikatora dobrobiti na farmama. Krave kod kojih na farmama nisu u dovoljnoj meri zadovoljeni principi dobrobiti imaju metabolički status koji pokazuje da su one značajnije stresno opterećenje (viša koncentracija kortizola), uzimaju manje količine hrane (niža koncentracija glukoze, uree u kalcijuma) i troše sopstvene rezerve za savladavanje spoljašnjih faktora (viša vrednost NEFA i BHB) i održavanje homeostaze. Metabolički status krava u mnogome zavisi od stepena zadovoljenja principa dobrobiti i prisustva indikatora stresa i može biti kvalitetan indikator u proceni stresne opterećenosti krava

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