Jelinek P., J.IIlek, Ivana Helanova, Z. Frais: Biochemical and Hematological Values in the Blood of Rams during Rearing. Acta vet. Brno, 53, 1984: 143-150.The dynamics of some hematological and biochemical indices was studied in 45 rams reared in a central stock rearing house in the breeding season of 1982/1983. The results showed that the observed biochemical and hematological values correspond with the physiological standard. With advancing age a decrease was observed of the total count of erythrocytes, hemoglobin, hematocrit, inorganic phosphorus and glucose. The nutritional level affected the content of urea and phosphorus in the blood plasma. A negative, highly significant correlation was proved between the age and the glucose level, and a positive, highly significant relationship between the total protein content and amount of wool in the grease and technically clean wool.The data obtained in this study may be employed for evaluation of the health ~tatus and nutrition of rams during rearing. The data may also serve as reference values for Merino ram-Iambs in the respective age categories. Rams, blood picture, nutrition, age, blood plasma, biochemistry.The presumption for a full development of genetic potential of all the productive characters of sheep are suitable environmental conditions during rearing. In order to evaluate their effect upon the developing organisms, however, it is necessary to know as many indices as possible, as they reflect these effects and, signalize the level of nutrient supply, mineral substances, vitamins; at the same time, they manifest the functional condition of the animal. From this aspect most important is knowledge about the basic hematological and biochemical blood indices which holds good especially in the young, developing animals. The importance of these laboratory analyses increases with the loading ofthe organism, may it be the effect of inconventional technology, degree of exploitation, method of nutrition, use of new genotypes, or when evaluating various experimental measures. Many studies have been written dealing with hematological values and metabolic profile of sheep blood (Soliman et al. 1975;Thomas and Axford 1968; Holub et aI. 1969; Sova and Medficky 1972;Hofirek 1978; Jelinek et aI. 1982 Jelinek et aI. , 1983Vrzgula et al. 1965 Vrzgula et al. , 1973Vrzgula et al. , 1982 Underwood 1971;Hennig 1972; BoISedanov 1973;Ried et al. 1974;Vrzgula and Skalka 1977; Jagos et. aI. 1980a). Only few studies were aimed at determination of the basic hematological and biochemical data with respect to age, sex, season, breed, etc.Therefore in the present study the basic hematological parameters and indices of the metabolic profile of blood plasma in Merino rams were studied. Suitability of these indices for evaluation of their nutritional status and metabolic disorders was verified as well.
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