Udvidet returret til d. 31. januar 2025

Bøger af Debashis Roy

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  • af Debashis Roy
    454,95 kr.

    Soil and crops are complementary to each other which result the fate of sustainable crop production. In Bangladesh, farmers are not very much aware about soil and crop management in a sustainable means rather they produce crops using excessive chemicals, pesticides etc. Farmer Field School is an extension approach worldwide where a group of farmers become trained up about different aspects of crop production especially soil and crop management. This book, therefore, bases the perception of the FFS farmers¿ about the effectiveness of FFS for soil and crop management. In this book author tried to explore and discuss the effectiveness of FFS and extent of practice of different soil and crop management technologies by the FFS farmers. This small endeavor would be helpful for the extension professionals, practitioners and farmers both FFS and other than FFS farmers. Any kind of comments, suggestions would be highly appreciated.

  • af Debashis Roy & Anchal Keshri
    337,95 kr.

  • af Debashis Roy & Amitav Bhattacharya
    673,95 kr.

    Today, nutraceuticals have been recognized as any natural product, food or dietary supplement that provides medical or health benefits including the prevention of diseases. Keeping these aspects in view, the book covers different types of Nutraceuticals used in livestock and poultry, their role, mode of application, advantages and disadvantages if any. In chapter 1, the concepts of feeding nutraceuticals have been discussed and classified into several groups. Chapter 2 presents feeding of antibiotics to poultry and livestock species and how it has been gradually replaced by different feed additives preferentially called as nutraceuticals. Chapter 3 to chapter 8 deals with different nutraceuticals often fed to poultry and livestock like probiotics, prebiotics, enzymes, organic acids, fatty acids and phytobiotics. The chapters introduce and classify the corresponding nutraceutical agents and then present a detail discussion on its efficacy as a feed ingredient, mode of action, specific rate of inclusion in the diet.

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