The Experts below are selected from a list of 816 Experts worldwide ranked by ideXlab platform

Veronique Dermauw - One of the best experts on this subject based on the ideXlab platform.

  • Trace Element distribution in selected edible tissues of zebu (Bos indicus) cattle slaughtered at Jimma, SW Ethiopia
    PloS one, 2014
    Co-Authors: Veronique Dermauw, Marta López Alonso, Luc Duchateau, Gijs Du Laing, Tadele Tolosa, Ellen S. Dierenfeld, Marcus Clauss, Geert Janssens
    Abstract:

    The amount of Trace Elements present in edible bovine tissues is of importance for both animal health and human nutrition. This study presents data on Trace Element concentrations in semitendinosus and cardiac muscles, livers and kidneys of 60 zebu (Bos indicus) bulls, sampled at Jimma, Ethiopia. From 28 of these bulls, blood samples were also obtained. Deficient levels of copper were found in plasma, livers, kidneys and semitendinosus muscles. Suboptimal selenium concentrations were found in plasma and semitendinosus muscles. Semitendinosus muscles contained high iron concentrations. Trace Elements were mainly stored in the liver, except for iron and selenium. Cardiac muscles generally contained higher concentrations of Trace Elements than semitendinous muscles except for zinc. A strong association was found between liver and kidney concentrations of copper, iron, cobalt and molybdenum. Liver storage was well correlated with storage in semitendinosus muscle for selenium and with cardiac muscle for cobalt and selenium. Plasma concentrations of copper, selenium, cobalt were well related with their respective liver concentrations and for cobalt and selenium, also with cardiac muscle concentrations. The data suggest multiple Trace Element Deficiencies in zebu cattle in South-West Ethiopia, with lowered tissue concentrations as a consequence. Based on the comparison of our data with other literature, Trace Element concentrations in selected edible tissues of Bos indicus seem quite similar to those in Bos taurus. However, tissue threshold values for deficiency in Bos taurus cattle need to be refined and their applicability for Bos indicus cattle needs to be evaluated.

  • Trace Element nutrition in the tropical zebu cattle type. Lessons from the Gilgel Gibe catchment, Ethiopia
    'Ghent University', 2014
    Co-Authors: Veronique Dermauw
    Abstract:

    In the tropics, cattle are majorly dependent on natural pastures growing on poor soils and as a result prone to Trace Element Deficiencies. This work investigated several aspects of Trace Element nutrition in zebu (Bos indicus) cattle, the most widely used cattle type in the tropics. Through several trials conducted at the Gilgel Gibe catchment, Ethiopia, we aimed to study factors influencing the flow of Trace Elements from soil to plant and grazing zebu cattle, and to investigate the impact of Trace Element status on health, production and Trace Elements in animal products. Overall, Trace Element, e.g., Cu, Deficiencies were widely prevalent. Environment and certain grazing strategies were intimately related and affected Trace Element supply whereas cattle type affected Trace Element status. The effect of Trace Element status on Trace Elements in animal products was obvious, whereas the impact on health and production was less clear-cut. Key words: Trace Elements, minerals, cattle, zebu, Bos indicus, Ethiopia, tropic

  • effects of Trace Element supplementation on apparent nutrient digestibility and utilisation in grass fed zebu bos indicus cattle
    Livestock Science, 2013
    Co-Authors: Veronique Dermauw, Ellen S. Dierenfeld, Kechero Yisehak, G Du Laing, Johan Buyse, Brigitte Wuyts, G P J Janssens
    Abstract:

    Abstract Trace Element Deficiencies in cattle are omnipresent, both in developing and industrialised regions. Little information is available on the effect of dietary Trace Elements on nutrient digestibility and utilisation, in spite of many deficiency-related symptoms suggesting a relevant role, such as loss of appetite in Zn deficiency and severe diarrhoea in Cu deficiency. The present study aimed to identify the early effects of dietary Trace Elements on nutrient utilisation in grass-fed zebu (Bos indicus) cattle. Adult bulls (n=8) were randomly assigned to a treatment: control or Trace Element supplementation (Zn, Mn, Cu, Se, I and Co) during 28 days. Grass mineral analysis suggested deficient Cu (5.53–9.60 mg/kg) and Se (0.02–0.09 mg/kg) concentrations in combination with high S (2577–3855 mg/kg) and Mo (1.52–3.12 mg/kg) and very high Fe (619–1214 mg/kg) concentrations. Supplementation increased plasma Cu (0.82 vs. 0.61 mg/l), Zn (1.40 vs. 0.89 mg/l), Mn (0.30 vs. 0.05 mg/l) and Se (0.07 vs. 0.06 mg/l) concentrations (all P 0.05). Also, no effects on apparent nutrient (dry matter, ash, protein, fat, and fibre) digestibility, apparent Trace Element absorption (except for Se and I) or plasma acyl carnitines (indicators of available energy substrates) were observed in this study (all P>0.05). Overall, despite clear improvement in Trace Element status – notwithstanding high concentrations of Cu antagonists in the grass diet – supplementation did not affect nutrient digestibility or utilisation in grass-fed zebu cattle.

Geert Janssens - One of the best experts on this subject based on the ideXlab platform.

  • Trace Element distribution in selected edible tissues of zebu (Bos indicus) cattle slaughtered at Jimma, SW Ethiopia
    PloS one, 2014
    Co-Authors: Veronique Dermauw, Marta López Alonso, Luc Duchateau, Gijs Du Laing, Tadele Tolosa, Ellen S. Dierenfeld, Marcus Clauss, Geert Janssens
    Abstract:

    The amount of Trace Elements present in edible bovine tissues is of importance for both animal health and human nutrition. This study presents data on Trace Element concentrations in semitendinosus and cardiac muscles, livers and kidneys of 60 zebu (Bos indicus) bulls, sampled at Jimma, Ethiopia. From 28 of these bulls, blood samples were also obtained. Deficient levels of copper were found in plasma, livers, kidneys and semitendinosus muscles. Suboptimal selenium concentrations were found in plasma and semitendinosus muscles. Semitendinosus muscles contained high iron concentrations. Trace Elements were mainly stored in the liver, except for iron and selenium. Cardiac muscles generally contained higher concentrations of Trace Elements than semitendinous muscles except for zinc. A strong association was found between liver and kidney concentrations of copper, iron, cobalt and molybdenum. Liver storage was well correlated with storage in semitendinosus muscle for selenium and with cardiac muscle for cobalt and selenium. Plasma concentrations of copper, selenium, cobalt were well related with their respective liver concentrations and for cobalt and selenium, also with cardiac muscle concentrations. The data suggest multiple Trace Element Deficiencies in zebu cattle in South-West Ethiopia, with lowered tissue concentrations as a consequence. Based on the comparison of our data with other literature, Trace Element concentrations in selected edible tissues of Bos indicus seem quite similar to those in Bos taurus. However, tissue threshold values for deficiency in Bos taurus cattle need to be refined and their applicability for Bos indicus cattle needs to be evaluated.

Phuong G Nguyen - One of the best experts on this subject based on the ideXlab platform.

  • iron deficiency zinc magnesium vitamin Deficiencies in crohn s disease substitute or not
    Digestive Diseases, 2016
    Co-Authors: Wolfgang Kruis, Phuong G Nguyen
    Abstract:

    Inflammatory bowel disease (IBD) is characterized by inflammatory reactions, complications, extraintestinal manifestations and a loss of intestinal functions, for example, failures of absorption and secretion. According to intestinal dysfunction, a wide array of pathogenetic pathways is existing leading to iron deficiency and numerous vitamins as well as Trace Element Deficiencies. Complications, symptoms and signs of those Deficiencies are common in IBD with varying degrees of clinical significance. This review focuses on selected micronutrients including iron, zinc, magnesium and some vitamins. Epidemiology with respect to IBD, pathophysiology, diagnosis and clinical aspects are addressed. Finally, some suggestions for treatment of deficient situations are discussed. In conclusion, some micronutrients have significant impact on complications and quality of life in IBD. Deficiencies may even influence the course of the disease. Those Deficiencies should be thoroughly supplemented.

Ellen S. Dierenfeld - One of the best experts on this subject based on the ideXlab platform.

  • Trace Element distribution in selected edible tissues of zebu (Bos indicus) cattle slaughtered at Jimma, SW Ethiopia
    PloS one, 2014
    Co-Authors: Veronique Dermauw, Marta López Alonso, Luc Duchateau, Gijs Du Laing, Tadele Tolosa, Ellen S. Dierenfeld, Marcus Clauss, Geert Janssens
    Abstract:

    The amount of Trace Elements present in edible bovine tissues is of importance for both animal health and human nutrition. This study presents data on Trace Element concentrations in semitendinosus and cardiac muscles, livers and kidneys of 60 zebu (Bos indicus) bulls, sampled at Jimma, Ethiopia. From 28 of these bulls, blood samples were also obtained. Deficient levels of copper were found in plasma, livers, kidneys and semitendinosus muscles. Suboptimal selenium concentrations were found in plasma and semitendinosus muscles. Semitendinosus muscles contained high iron concentrations. Trace Elements were mainly stored in the liver, except for iron and selenium. Cardiac muscles generally contained higher concentrations of Trace Elements than semitendinous muscles except for zinc. A strong association was found between liver and kidney concentrations of copper, iron, cobalt and molybdenum. Liver storage was well correlated with storage in semitendinosus muscle for selenium and with cardiac muscle for cobalt and selenium. Plasma concentrations of copper, selenium, cobalt were well related with their respective liver concentrations and for cobalt and selenium, also with cardiac muscle concentrations. The data suggest multiple Trace Element Deficiencies in zebu cattle in South-West Ethiopia, with lowered tissue concentrations as a consequence. Based on the comparison of our data with other literature, Trace Element concentrations in selected edible tissues of Bos indicus seem quite similar to those in Bos taurus. However, tissue threshold values for deficiency in Bos taurus cattle need to be refined and their applicability for Bos indicus cattle needs to be evaluated.

  • effects of Trace Element supplementation on apparent nutrient digestibility and utilisation in grass fed zebu bos indicus cattle
    Livestock Science, 2013
    Co-Authors: Veronique Dermauw, Ellen S. Dierenfeld, Kechero Yisehak, G Du Laing, Johan Buyse, Brigitte Wuyts, G P J Janssens
    Abstract:

    Abstract Trace Element Deficiencies in cattle are omnipresent, both in developing and industrialised regions. Little information is available on the effect of dietary Trace Elements on nutrient digestibility and utilisation, in spite of many deficiency-related symptoms suggesting a relevant role, such as loss of appetite in Zn deficiency and severe diarrhoea in Cu deficiency. The present study aimed to identify the early effects of dietary Trace Elements on nutrient utilisation in grass-fed zebu (Bos indicus) cattle. Adult bulls (n=8) were randomly assigned to a treatment: control or Trace Element supplementation (Zn, Mn, Cu, Se, I and Co) during 28 days. Grass mineral analysis suggested deficient Cu (5.53–9.60 mg/kg) and Se (0.02–0.09 mg/kg) concentrations in combination with high S (2577–3855 mg/kg) and Mo (1.52–3.12 mg/kg) and very high Fe (619–1214 mg/kg) concentrations. Supplementation increased plasma Cu (0.82 vs. 0.61 mg/l), Zn (1.40 vs. 0.89 mg/l), Mn (0.30 vs. 0.05 mg/l) and Se (0.07 vs. 0.06 mg/l) concentrations (all P 0.05). Also, no effects on apparent nutrient (dry matter, ash, protein, fat, and fibre) digestibility, apparent Trace Element absorption (except for Se and I) or plasma acyl carnitines (indicators of available energy substrates) were observed in this study (all P>0.05). Overall, despite clear improvement in Trace Element status – notwithstanding high concentrations of Cu antagonists in the grass diet – supplementation did not affect nutrient digestibility or utilisation in grass-fed zebu cattle.

Wolfgang Kruis - One of the best experts on this subject based on the ideXlab platform.

  • iron deficiency zinc magnesium vitamin Deficiencies in crohn s disease substitute or not
    Digestive Diseases, 2016
    Co-Authors: Wolfgang Kruis, Phuong G Nguyen
    Abstract:

    Inflammatory bowel disease (IBD) is characterized by inflammatory reactions, complications, extraintestinal manifestations and a loss of intestinal functions, for example, failures of absorption and secretion. According to intestinal dysfunction, a wide array of pathogenetic pathways is existing leading to iron deficiency and numerous vitamins as well as Trace Element Deficiencies. Complications, symptoms and signs of those Deficiencies are common in IBD with varying degrees of clinical significance. This review focuses on selected micronutrients including iron, zinc, magnesium and some vitamins. Epidemiology with respect to IBD, pathophysiology, diagnosis and clinical aspects are addressed. Finally, some suggestions for treatment of deficient situations are discussed. In conclusion, some micronutrients have significant impact on complications and quality of life in IBD. Deficiencies may even influence the course of the disease. Those Deficiencies should be thoroughly supplemented.