Metwally mohamed (57 risultati)

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Condizione: New. In English. Al-Metwally, Mr. Mohamed (illustratore).

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Taschenbuch. Condizione: Neu. Nutritional Imprinting In Broilers Through Early Dietary Manipulations | Nutritional imprinting in broilers | Moustafa Mohamed Metwally Ahmed (u. a.) | Taschenbuch | 124 S. | Englisch | 2019 | LAP LAMBERT Academic Publishing | EAN 9786200116437 | Verantwortliche Person für die EU: BoD - Books on Demand, In de Tarpen 42, 22848 Norderstedt, info[at]bod[dot]de | Anbieter: preigu.…

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Condizione: Sehr gut. Zustand: Sehr gut | Sprache: Englisch | Produktart: Bücher | The main objectives of poultry nutrition research can be summarized in optimizing feed efficiency, increasing productivity, maximizing profit, improving health and immunity, and decreasing environmental pollution. In the last two decades, new concepts and strategies -including epigenetics- have been established to fulfill some of these objectives. It is becoming evident that by interacting transient nutritional stimuli with epigenetic mechanisms at critical onto-genic stages, we can induce lasting influences on the expression of various genes, i.e., nutritional imprinting. Imprinting means a nutritional agitation of epigenetic gene regulation due to change in ¿nutritional environment¿ during the stage of gene expression development. Early nutrition approach, recently, has been started to apply for inducing nutritional imprinting and to improve nutrient utilization which make it possible to reduce nutrients' density in finishing and withdrawal diets. This work discusses the effect of low dietary P or high lysine level throughout first post-hatch days in adaptation to low phosphorus or protein level in broiler finisher diets in relation to performance and environment pollution.…

Condizione: Hervorragend. Zustand: Hervorragend | Sprache: Englisch | Produktart: Bücher | The main objectives of poultry nutrition research can be summarized in optimizing feed efficiency, increasing productivity, maximizing profit, improving health and immunity, and decreasing environmental pollution. In the last two decades, new concepts and strategies -including epigenetics- have been established to fulfill some of these objectives. It is becoming evident that by interacting transient nutritional stimuli with epigenetic mechanisms at critical onto-genic stages, we can induce lasting influences on the expression of various genes, i.e., nutritional imprinting. Imprinting means a nutritional agitation of epigenetic gene regulation due to change in ¿nutritional environment¿ during the stage of gene expression development. Early nutrition approach, recently, has been started to apply for inducing nutritional imprinting and to improve nutrient utilization which make it possible to reduce nutrients' density in finishing and withdrawal diets. This work discusses the effect of low dietary P or high lysine level throughout first post-hatch days in adaptation to low phosphorus or protein level in broiler finisher diets in relation to performance and environment pollution.…

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Condizione: Gut. Zustand: Gut | Sprache: Englisch | Produktart: Bücher | Optimum fertilization management is an important technique to alleviate the adverse effects of salinity stress on plants. An experiment was conducted to evaluate the ameliorative role of inorganic and organic P-sources on wheat grown under salt stress in three soil types deficient in available P. Wheat plants were grown on alluvial, sandy and calcareous soils under salinity levels of 4, 8 and 12 dS/m of saturated paste extract (ECe) and supplied with constant rate of superphosphate (SP), cattle manure (CM) and 1:1 mixture of SP and CM. The results revealed that plants grown on the sandy soil were more susceptible to the adverse effects of salinity compared with that planted on the alluvial one, especially at 0 P. However, plants grown on the calcareous soil were moderately affected. In addition, varying soil type caused significant differences in the aboveground biomass and uptake of N, K, P and Zn in shoots and grains, where maximum values were attained in the alluvial soil followed by calcareous soil. Grains and straw yields and contents of N, P and K in the shoot tissue, grains and straw decreased significantly with increasing ECe from low (4 dS/m) to high level (12 dS/m).…

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