03068naa a2200541 a 450000100080000000500110000800800410001910000210006024501650008126000090024652015300025565000200178565000190180565000190182465000110184365000170185465000310187165000180190265000100192065000100193065000150194065000170195565000240197265000200199665000180201665000090203465000120204365000190205565000220207465000250209665000290212165000150215065000220216565000160218765000150220365300130221865300230223165300310225465300280228565300220231370000170233570000250235270000170237770000210239470000250241570000190244077300670245915151502023-06-29 1992 bl uuuu u00u1 u #d1 aBLACKBURN, H. D. aInteraction of parasitism and nutrition in goatsbeffects on haematological parameters, correlations, and other statistical associations.h[electronic resource] c1992 aAbstract: Weaned wether goats(n=144) approximately 6 months of age were placed in a 2X3 factorial experiment to test the effects and interaction of two levels of nutrition (growth+maintenance, NUT1; and twice growth+maintenance, NUT2) and three levels of Haemonchus contortus burden (0,500, and 2000 larvae administered every 2 weeks: WO, W500, and W2000, respectively) on packed cell volume, red blood cell count, total serum protein and leukocytes. The statistical analysis revealed clear and proportionate differences among levels of infection for all variables. A significant(P<0,05) nutritional effect was also found associated with all the variables except leukocyte. The neutrophil/lymphocyte ratio was higher in the NUT1-infected animals, leading to the nutrition by worm load interaction for leukocytes. An analysis for the different leukocyte types revealed significant(P<0,05) differences among infection levels for lymphocytes, while nutrition level was found to be a significant effect for basophil count and immature white cells. Several significant correlations were observed between pairs of variables. Faecal egg output could be predicted from actual worm count in three of the four necropsy periods. The clear differences observed for blood parameters were not present in production traits, suggesting that physiological thresholds may play an important role in framing the metabolic activity of biological organisms. Total serum protein was the best indicator of these effects on production parameters. aAnimal diseases aAnimal feeding aBlood proteins aBrazil aErythrocytes aGastrointestinal nematodes aGoat diseases aGoats aMales aParasitism aParasitology aRegression analysis aSmall ruminants aAlimentação aBode aCaprino aDoença animal aGlóbulo vermelho aHaemonchus Contortus aHelminto gastrintestinal aNematóide aNutrição animal aParasitismo aParasitose aControle aEfeito nutricional aNematódeo gastrintestinal aParêmetros sanguíneos aRandom allocation1 aROCHA, J. L.1 aFIGUEIREDO, E. A. P.1 aBERNE, M. E.1 aVIEIRA, L. da S.1 aCAVALCANTE, A. C. R.1 aSANTA ROSA, J. tVeterinary Parasitologygv. 44, n. 3/4, p. 183-197, Oct. 1992.