
Johanna MazabelIndependent Researcher · Tropical Forages
Johanna Mazabel
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13
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Publications (13)
The aim of this research was to evaluate dietary inclusion of Leucaena diversifolia into a grass monoculture (GM) diet and its influence on enteric methane emissions, animal live weight gain and meat fatty acid content of steers. Two GM diets comprised Urochloa hybrid cv. Cayman or U. brizantha cv. Toledo; silvopastoral (SPS) mixed diets included a...
in vitro study was carried out to measure methane (CH4) production and ruminal fermentation parameters of tropical forages either commonly used and with a potential for inclusion in Colombian livestock systems. The forages evaluated wereUrochloa hybrid cv. Cayman, Leucaena leucocephala, Leucaena diversifolia, Megathyrsus maximus cv. Mombaza, Urochl...
The present investigation was carried out to determine the extent of the incorporation of Tithonia diversifolia (TD) and the possibility of blending it with Pennisetum purpureum (PP) to obtain the maximum benefit for ensilability and for animal nutrition. Silage mixtures of wild sunflower (TD) and elephant grass (PP) were evaluated based on chemica...
The diversity and use of tropical forages for cattle feeding are the protagonists in livestock systems. The production and nutritional quality of forages represent a strategy of continuous research in animal feeding to help mitigate the environmental impact generated by tropical livestock. The objective of this study was to classify the nutritional...
Background: Nutritional quality of forages is a strategy of continuous research in animal feeding to help mitigate the environmental impact generated by Tropical livestock. The aim of this study is to describe and classify the nutritional profile of the M maximus collection in Dry Tropics as a contribution to the selection of high-quality grassland...
The purpose of this study was to determine the in vitro fermentation and methane (CH4) production in the grass Brachiaria brizantha (B) alone or when mixed with Gliricidia sepium forage (G) and/or Enterolobium cyclocarpum pods (E). Theses substrates were incubated in the following proportions: B100 (B100%), B85E15 (B85% + E15%), B85G15 (B85% + G15%...
Brachiaria humidicola (BH) (syn. Urochloa humidicola) is an important forage grass in the tropics due to its capacity to grow in nutrient‐deficient soils, tolerate waterlogging, and inhibit soil nitrification. A major objective of BH breeding is to improve its nutritional quality. Therefore, a rapid and low‐cost method is needed to assess main qual...
Modern intensively managed pastures that receive large external nitrogen (N) inputs account for high N losses in form of nitrate (NO3–) leaching and emissions of the potent greenhouse gas nitrous oxide (N2O). The natural plant capacity to shape the soil N cycle through exudation of organic compounds can be exploited to favor N retention without aff...
Livestock diets in the tropics are traditionally based on grass species, with significant consequent nutritional limitations. Balancing the diet requires supplementation with forage species offering high quality protein. An artificial rumen simulation technique system (RUSITEC) was used to digest a mixture of the grass Pennisetum purpureum (PP) and...
It is expected that the availability of forage for animals in the tropics will fluctuate in the future due to climate change. Ensiling of tropical forages constitutes a strategy to cope with food scarcity during long dry seasons. Tithonia diversifolia (TD), is a plant belonging to family Asteraceae, with a wide adaptation in tropical areas. A Rosto...