Nutritional Quality Management of Forages in the Himalayan Region

Nutritional Quality Management of Forages in the Himalayan Region

Katoch, Rajan

Springer Verlag, Singapore

04/2022

590

Dura

Inglês

9789811654367

15 a 20 dias

1198

Descrição não disponível.
1. Overview of forage quality and livestock production







1.1. Introduction



1.2. Forage quality



1.3. Influence of forage quality on livestock health and productivity



1.4. Forage production and Livestock productivity Inter linkage



1.5. Biodiversity in forages of Himalayan region



1.6. Nutritional diversity in forages



1.7. Regional imbalances in forage availability and nutrition



1.7.1. Scenario of demand and supply status of forages



1.8. Insight of livestock production and productivity



1.8.1. National perspective



1.8.2. Himalayan perspective







2. Impact of forage availability on livestock rearing and socio- economic aspects



2.1. Livestock rearing- An indispensable component of hill Agriculture



2.2. Importance of livestock production on rural economy of Himalayan region



2.2.1. Contribution of livestock to National and Regional economy



2.2.2. Socio-economic status of farmers depending on livestock based agriculture



2.3. Constraints in achieving optimal livestock productivity



2.4. Conventional practices of livestock feeding



2.5. Effect of nutritionally compromised forages on livestock productivity



2.6. Scope of improving animal productivity with nutritional species







3. Forage resources and productivity in Himalayan region



3.1. Forage grasses



3.2. Forage legumes



3.3. Cereal forages



3.4. Range forages



3.5. Fodder trees and shrubs of Himalayan region



3.6. Crop residues



3.7. Grasslands, pastures and Rangelands of Himalayan region



3.7.1.Grasslands and pasture of North-western Himalayan region



3.7.2.Grasslands and pasture of Eastern Himalayas



3.7.3.Rangelands



3.7.4. Other important feed resources in Himalayan region



3.8. Production and productivity of forages in Himalayan region



3.8.1. Forage resources and their productivity in N-W Himalayas



3.8.1.1.Major forage resources and their productivity in Himachal Pradesh



3.8.1.2. Major forage resources and their productivity in Uttarakhand



3.8.1.3. Major forage resources and their productivity in Jammu & Kashmir



3.8.2. Forage resources and their productivity in Eastern Himalayas



3.9. Grazing patterns and maintenance of grasslands and pasture in Himalayan region



3.10. Multiple cropping systems influencing forage nutritional value







4. Constraints in fodder production in Himalayan region



4.1. Land scarcity



4.2. Topographic constraints



4.3. Harsh environmental conditions



4.4. Climate change



4.5. Increasing population of unproductiveanimals



4.6. Uncontrolled grazing



4.7. Lack of management and conservation practices



4.8. Lack of improved varieties



4.9. Lack of knowledge of non-conventional fodder



4.10. Poor credit and marketing facilities







5. Factors influencing forage nutritional quality



5.1. Plant factors affecting forage quality



5.1.1. Stage of maturity



5.1.2. Anti-quality factors



5.1.3. Species difference



5.1.4. Soil fertility/fertilizer application



5.1.5. Plant composition



5.1.6. Variety (cultivar)



5.1.7. Plant morphology



5.2. Animal factors



5.2.1. Palatability



5.2.2. Intake



5.2.3. Digestibility



5.3. Environmental factors



5.3.1. Water stress



5.3.2. Temperature



5.3.3. Solar radiation



5.3.4. Photoperiod



5.3.5. Shading



5.3.6. Altitude



5.4. Effect of seasonal dynamics on nutritional quality of forages



5.4.1. Seasonal dynamics in nutritional quality of forage grasses and legumes



5.4.2. Seasonal dynamics in nutritional quality of forage trees



5.5. Effect of foliar diseases and insect-pests on quality of forages



5.6. Changes in forage quality during harvest and storage



5.6.1. Respirational losses during harvest



5.6.1.1. Dry matter and nutrient losses



5.6.2. Mechanical losses



5.6.2.1. Losses during Mowing and Conditioning



5.6.2.2. Losses during Raking



5.6.2.3. Losses due to Baling and chopping



5.6.3. Changes in forage quality during storage



5.6.3.1. Quality loss during inside storage



5.6.3.2. Quality loss during outside storage







6. Forage genetic resources (FGR) of region



6.1. An introduction - Forage genetic resources



6.2. Role of Forage Plant Genetic Resource conservation



6.3. Forage germplasm conservation and evaluation



6.3.1. Breeding for nutritional quality enhancement of forage crops



6.3.2. Varietal development with nutritional attributes



6.3.3. Research studies to evaluate forage germplasm



6.4. Breeding for nutritional quality enhancement of forage crops



6.5. Varietal development with nutritional attributes







7. Forage production and quality improvement



7.1. Forage research: National and Regional scenario



7.2. Nutritional quality enhancement of forage crops



7.3. Conventional breeding approaches



7.4. Breeding strategies for forage crop improvement



7.4.1. Plant introduction



7.4.2. Plant Selection



7.4.3. Polycrossing



7.4.4.Development of synthetic varieties in forage crops



7.4.5. Mutation breeding



7.4.6. Apomixis



7.4.6. Wide hybridization



7.4.7.1. Festuca-Lolium complex



7.4.7.2. Bajra-Napier hybrids



7.4.7.3. Lolium-Dactylis hubridization



7.4.7.4. Trifolium interspecific hybridization



7.5. Implication of modern strategies in development of improved forage crop varieties



7.5.1. Embryo rescue



7.5.2. Callus culture



7.5.3. Meristem culture







8. Nutritional and anti-nutritional constituents in forages



8.1. Nutritional and anti-nutritional constituents of forages and their importance in animal nutrition



8.1.1. Nutritional constituents



8.1.1.1. Dry matter



8.1.1.2. Crude protein



8.1.1.3. Amino acids composition and protein quality



8.1.1.4. Crude fiber



8.1.1.5. Crude fat



8.1.1.6. Fatty acids



8.1.1.7. Ash



8.1.1.8. Nitrogen free extract (NFE)



8.1.1.9. Acid detergent insoluble nitrogen (ADIN)



8.1.1.10. Water soluble carbohydrates (WSC)



8.1.1.11. Total digestible nutrients (TDN)



8.1.1.12. Fat soluble micronutrients



8.1.2. Anti-nutritional constituents



8.1.2.1. Neutral digestible fiber (NDF) and Acid detergent fiber (ADF)



8.1.2.2. Lignin



8.1.2.3. Polyphenols



8.1.2.4. Alkaloids



8.1.2.5. Saponins



8.1.2.6. Cyanogens



8.1.2.7. Oxalates



8.1.2.8. Protease and ?-amylase inhibitors



8.1.2.9. Nitrates



8.1.2.10. Non protein amino acids



8.1.2.11. Crop specific anti-nutrients











9. Nutritional quality estimation of forages



9.1. Destructive methods for forage quality estimation



9.1.1. The Weende scheme



9.1.2. The Van Soest system



9.2. Non-destructive methods for forage quality estimation



9.2.1.Near infrared reflectance spectroscopy (NIRS) technique



9.3. In vivo and laboratory methods for estimation of forage quality



9.3.1. Laboratory methods for forage quality parameters



9.3.1.1. Moisture



9.3.1.2. Total dry matter determination



9.3.1.3. Crude protein



9.3.1.4. NDF



9.3.1.5. ADF



9.3.1.6. Crude fiber



9.3.1.7. Ether extract



9.3.1.8. Carbohydrates



9.3.1.9. Ash content



9.3.1.10. True protein and non-protein nitrogen (NPN



9.3.1.11. Starch



9.3.1.12. ADL



9.3.1.13. Cellulose



9.3.1.14. Silica



9.3.1.15. IVDMD



9.3.1.16. In sacco dry matter digestibility



9.3.2. In vivo method for determination of digestibility of forages







10. Nutritional quality of major forage grasses of Himalayan region



10.1. Range forages



10.1.1. Guinea grass (Panicum maximum)



10.1.2. Bermuda grass (Cynadon dactylon)



10.1.3. Nut grass (Cyperus rotundus)



10.1.4. Chizz grass (Imperata cylindrica)



10.1.5. Dallis grass (Paspalum dilatatum)



10.2. Cultivated forage grasses of Himalayan region



10.2.1.Tall fescue (Festuca arundinacea)



10.2.2. Perennial ryegrass (Lolium perenne)



10.2.3. Golden timothy (Setaria spp.)



10.2.4. Orchard grass/ Cock's foot (Dactylis glomerata)



10.2.5. Elephant grass (Pennisetum purpureum)



10.2.6. Bajra x Napier hybrids (BN hybrids)



10.3. Cereal fodders



10.4.1. Fodder maize (Zea mays)



10.4.2. Oats (Avena sativa)



10.4.3. Sorghum (Sorghum bicolor)



10.4.4. Barley (Hordeum vulgare)







11. Nutritional quality of major forage legumes of Himalayan region



11.1. Alfalfa (Medicago sativa L.)



11.2. Berseem (Trifolium alexandrium L.)



11.3. Trifolium species



11.4. Birdsfoot trefoil (Lotus corniculatus L.)



11.5. Caribbean stylo (Stylosanthes hamata)



11.6. Cowpea (Vigna unguiculata L.)



11.7. Sainfoin (Onobrychis vicifolia L.)



11.8. Rice bean (Vigna umbellata)



11.8.1. Fodder production potential of ricebean



11.8.2.Biochemical composition of rice bean forage



11.8.2.1Dry matter



11.8.2.2. Crude protein



11.8.2.3.Crude fiber



11.8.2.4. Total soluble carbohydrates



11.8.2.5.Ash content



11.8.2.6. Cell wall constituents



11.8.3. Anti-nutritional constituents in rice bean forage



11.8.4. Nutritional superiority of rice bean forage over other forage legumes



11.8.5. Rice bean seeds in animal feeding







12. Nutritional quality of tree fodder of Himalayan region



12.1. Importance of tree fodder



12.1.1. Nutritional fodder resource



12.1.2. Dry season supplement
12.1.3. Multipurpose uses



12.2. Tree fodder-Alternative source of quality fodder



12.3. Nutritional composition of fodder trees of Himalayan region



12.4. Anti-nutritional components of fodder trees



12.5. Lean season forages and their nutritive quality







13. Prospects of non-conventional feed resources of Himalayan region



13.1. Significance of non-conventional feed resources in livestock feeding



13.2. Source and availability of NCFR



13.2.1. Fruit and vegetable wastes



13.2.2. Trees and shrubs



13.2.3. Agroforestry



13.2.4. Agro-industrial by-products (AIBP)



13.2.5. Weeds



13.3. Nutritive Value of NCFR



13.3.1. Fruits and vegetables



13.3.2. Trees and shrubs



13.3.3. Crop byproducts



13.3.4. Weeds



13.3.5. Azolla



13.4. Constraints in using non-conventional feed resources as a potential livestock feed



13.5. Future possibility of using NCFR in livestock feeding







14. Improving quality and digestibility of crop residues
14.1. Crop residues and livestock feeding



14.2. Nutritive value of important crop residues available in Himalayan region



14.3. Barriers in the effective utilization of crop residues as sole livestock feed



14.4. Strategies for improving quality and digestibility of crop residues



14.4.1. Physical treatment



14.4.1.1. Chopping and grinding



14.4.1.2. Pelleting and cubing



14.4.1.3. Irradiation



14.4.1.4. High pressure/high temperature steam treatment



14.4.1.5. Ensiling



14.4.2. Chemical treatment



14.4.2.1. Ammoniation of crop residues



14.4.2.2. Alkali treatment



14.4.2.3. Acid hydrolysis



14.4.3. Biological treatment



14.4.3.1. Lignocellulolytic organism treatment



14.4.3.2. Fungal treatment



14.4.3.3. Bacterial treatment



14.4.3.4. Yeast treatment



14.4.4. Combined physical and biological treatment



14.4.5. Exogenous enzymatic treatment



14.4.6. Supplementation







15. Improvement in nutritional quality of forages through new biotechnological techniques







15.1. Overview of biotechnological interventions for quality enhancement in forage crops



15.2. Candidate gene approach for nutritional enhancement



15.3. Biotechnological approaches for nutritional quality enhancement of forage crops



15.3.1. Transfer of nutritionally potential genes



15.3.1.1. Prevention of bloat in forages



15.3.1.2. Gene introgression for higher amino acid content



15.3.2. Engineering of metabolic pathways



15.3.2.1. Manipulation of lignin biosynthesis



15.3.2.2. Manipulation of fructan metabolism



15.4. Genomic in situ hybridization and DNA-based genetic marker technology for nutritional enhancement of forage crops



15.4.1. Genomic insitu hybridization (GISH)



15.4.2. DNA based marker technology / Linkage mapping



15.5. Prospects of gene editing techniques for nutritional quality enhancement of forage crops







16. Lignin: possible manipulationsin forages



16.1. Lignin biochemistry



16.1.1. Shikimate pathway



16.1.2. Phenyl propanoid pathway



16.1.3. Monolignol synthesis pathway



16.1.4. Polymerization



16.2. Intricacies of lignin biosynthesis in plant cell wall



16.3. Role of lignin in plant growth development



16.4. Relationship between lignin and digestibility of forages



16.5. Genetic manipulation of lignin biosynthesis for enhanced forage quality



16.5.1. RNAi mediated manipulation of lignin biosynthesis



16.5.1.1. Alteration of S-adenosylhomocysteine (SAH) levels for alteration lignin biosynthesis



16.5.2. Antisense RNA mediated manipulation of lignin biosynthesis



16.5.2.1. Alteration in Lignin monomer ratio



16.5.2.2. Down regulation of cinnamyl alcohol dehydrogenase (CAD)



16.5.2.3. Down regulation of Caffeic acid O-methyltransferase (COMT)



16.5.2.4. Antisense expression encoding cytochrome P450 enzymes







17. Post-harvest processing of forages



17.1. Harvesting stages



17.2. Post-harvest preservation of forages



17.2.1. Hay making



17.2.2. Silage making



17.2.3. Bale silage



17.2.4. Haylage



17.2.5. Chaffing of fodder



17.3. Packaging and storing



17.3.1. Baling of hay/straw



17.3.2. Pelleting



17.3.3. Densified complete feed block



17.4. Transporting and Stacking practices







18. Challenges and opportunities in forage and livestock production in Himalayan region



18.1. Management of grazing resources



18.2. Alternate land use systems



18.3. Arable land utilization



18.4. Forage crop breeding



18.5. Livestock breeding programme



18.6. Livestock improvement



18.7. Need for biotechnological interventions



18.8. Climate change



18.9. Other challenges







19. Perspective



20. Conclusion
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fodder;forage crop;antinutrient;nutritional quality evaluation;animal feed;livestock