Factors affecting the mineral composition of nutria fur (Myocastor coypus)
نویسندگان
چکیده
The influence of colour type, sex and age (ontogenetic stage of fur cycle) on the concentration of As, Br, Ca, Cl, Co, Cr, Cu, Fe, K, Mn, P, Pb, Rb, S, Se, Sr, Ti, V, Zn, and Zr in nutria fur was studied in two body areas – the back (dorsal) and the belly (ventral). The concentration of elements was determined by the method of disperse roentgen fluorescent spectrometry. The results were evaluated statistic ally by means of the GLM model of the SAS statistical program (SAS Inst. Inc. 1987). The results showed good correlation between dorsal and ventral samples except for the minerals Co, Mn, P, Pb, V and Zr. Variation in all elements was large and only for Ca, K and S did the statistical model explain over 25% of the total variation. The following significant effects were found: Effect of colour type on: As, Ca, Cl, Co, Cr, Cu, Rb, S, Se, Sr, Ti and Zr. Effect of age of the animal on: Br, Ca, Cl, Cr, Cu, Fe, K, P, S, Sr and Zn. Effect of sex on: Cl, Co, Cr, P, S, Sr and Ti. Effect of sample location on: Br and K.
منابع مشابه
Development of a sensitive radioimmunoassay for IGF-I determination in samples from blood plasma and cell-conditioned medium
4. Multidisciplinary Relationship between the content of various elements in fur of nutria (Myocastor coypus). E. Hanusová, D. Mertin, O. Lohi, K. Süvegová, V. Stepanok. Original Report. Code 2-3-14-O. 193 Factors affecting the mineral composition of nutria fur (Myocastor coypus). E. Hanusová, O. Lohi, K. Süvegová, D. Mertin, V. Stepanok. Original Report. Code 2-3-14-O. 197 Development of a sen...
متن کاملAssessing potential risk to alligators, Alligator mississippiensis, from nutria control with zinc phosphide rodenticide baits.
Nutria, Myocastor coypus, populations must be reduced when they cause substantial wetland damage. Control can include the rodenticide zinc phosphide, but the potential impacts to American alligators, Alligator mississippiensis, must be assessed. The mean amount of zinc phosphide per nutria found in nutria carcasses was 50 mg. Risk assessment determined that a conservative estimate for maximum e...
متن کاملMyocastor coypus as a reservoir host of Fasciola hepatica in France.
To clarify the role of the nutria Myocastor coypus in the epidemiology of domestic fasciolosis in Loire-Atlantique (department of western France), 438 nutrias were trapped in 9 humid areas of the department and 304 nutrias were trapped in 3 farms where Fasciola hepatica was present; all animals were necropsied. Liver flukes were found in 160 nutrias: 38 nutrias randomly taken in the department ...
متن کاملSusceptibility of nutria (Myocastor coypus) to Trichinella infection: biological aspects.
Experimental infections with three different species of Trichinella in nutria in order to evaluate the susceptibility and the role of these rodents in the spreading of parasitosis in nature were carried out. The nutria is present in many italian wet areas and its distribution is expanding. The nutria meat is utilized as food in different countries and is retained responsible for trichinellosis ...
متن کاملFatty acid profile of hind leg muscle in female and male nutria (Myocastor coypus Mol.), fed green forage diet.
The study describes the profile of fatty acids in hind leg muscle of 18 female and 12 male nutria reared on an extensive system farm in eastern Poland with a diet based on fresh forage. When compared to results from nutrias from an intensive production system from the literature, the forage-fed animals had lower proportions of saturated fatty acids, and higher proportions of n3-fatty acids in t...
متن کامل