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Levels of Cortisol in blood serum of 50- and 100-day-old rams of Kamieniecka sheep (K) and its crossbreds (F,) with Berrichon du Cher (KxBCH) and Blackhead (K x B) rams before pre-slaughter handling and after slaughter were determined. No relationship between the Cortisol levels and the genotype of the animals were found. However, age-dependent differences in the concentrations of the hormone (P ≤...
The activity of monoamine oxidase (MAO) in cow serum undergoes considerable fluctuations in the course of the oestrous cycle. The aim of the study was to determine the activity of MAO and its isoenzymes A (MAO-A) and B (MAO-B) in cow serum near the parturition. The experiments were performed on 8 pregnant and clinically healthy cows of the Polish Black and White Breed. Peripheral blood samples were...
The aim of the study was to evaluate the influence of low dose (LOEL - lowest observed effect level) of zearalenone (200 μg/kg b.w.), applied per os for 7 days (short-term intoxication), on sexual behavior, concentration of the examined xenobiotic and its metabolite and selected estrogens in sexually immature gilts: ovariohysterectomised (group Dl) and intact (group D2) animals. Clinical signs of...
Biochemical abnormalities observed in canine babesiosis are related to the severity of the disease. The primary biochemical abnormalities found in affected dogs are: increase of the serum activity of transaminases and alkaline phosphatase, azotemia, and hypoglycemia. The purposes of this study were: 1) to estimate biochemical abnormalities in dogs infected with large Babesia in Warsaw and 2) to evaluate...
A study was undertaken to determine the effect of a synthetic immunomodulator, i.e. methisop- rinol applied in ovo, upon the hatchability of turkey poults under conditions of a standard hatchery as well as on their health status evaluated based on analyses of selected biochemical indices in their blood serum. Experiments were conducted on 5 groups of BUT 9 turkeys at the age of 5 days (35 birds in...
Paratuberculosis (Johne’s disease) is a chronic, infectious enteritis of both domestic and wild ruminants. Unfortunately, the problem of MAP infections is not linked only with the health status of animals and potential direct and indirect economic losses in bovine herds (of dairy cattle in particular). MAP bacilli present in food of animal origin (milk in particular) are likely to lead to the development...
In cattle, the prevention of diseases might be possible using dietary methods, with nutritional optimization of feed rations. For years significant influence has been associated with the addition of biotin, methionine and zinc (each given individually, or as chelate – Zn-methionine). The aim of this study was to evaluate the influence of biotin or biotin + Zn-methionine additives on the health and...
The experimental materials comprised 44 hybrid [ (♀Polish Large White x Polish Landrace) x ♂Duroc] growing-finishing pigs. The animals were randomly divided into two groups: 24 pigs were slaughtered immediately after transport and 20 pigs were slaughtered after a 24-hour rest period in the lairage. The meat content of pork carcasses, carcass dressing percentage, the proximate chemical composition,...
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