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Fibrous proteins are either long and narrow proteins or assemble to form long and thin structures. They contain repetitive units and usually consist of either alpha helices or beta sheets and, in rare cases, a mix of both. The amino acids in the primary structure often consist of repeating amino acid sequences. The role of fibrous proteins is primarily structural. Many are located in the extracellular matrix and are present in connective tissues to impart strength and joint mobility. They are...
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Fibronectin is an adhesive glycoprotein present in the extracellular matrix of embryogenic and adult tissue. These molecules primarily aid in regulating cell motility and attachment. A fibronectin molecule is composed of two identical polypeptide chains attached to each other by a pair of disulfide bonds at the C-terminal.
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Fibril-associated Collagen01:11

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Fibril-associated collagens are a type of collagens present in the extracellular matrix with interrupted triple helices or FACIT (Fibril-associated collagens interrupted triple-helices). FACIT help connect and attach the collagen fibrils with each other as well as with other proteins of the extracellular matrix.
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Fiber-reinforced concrete significantly enhances the structural and nonstructural properties of traditional concrete by incorporating fibers like steel, glass, and polymers. These fibers, varying from natural ones such as sisal and cellulose to manufactured ones like polypropylene and Kevlar, are mixed into hydraulic cement with aggregates. Steel fibers, often preferred for their robustness, contribute to improved ductility, toughness, and post-cracking performance. The concrete is classified...
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Collagens are the Major Structural Proteins of ECM01:13

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Three main types of fibers are secreted by fibroblasts: collagen fibers, elastic fibers, and reticular fibers. Collagen fiber is made from fibrous protein subunits linked together to form a long, straight fiber. Collagen fibers, while flexible, have great tensile strength, resist stretching, and give ligaments and tendons their characteristic resilience and strength. These fibers hold connective tissues together, even during the body's movement.
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The intermediate filaments are an essential component of the cytoskeleton. Presently six types of intermediate filament have been identified. Type I and II are acidic and basic keratin proteins. Type III is of mesodermal origin and comprises four proteins: vimentin, desmin, glial fibrillary acidic protein (GFAP), and peripherin. Vimentin is commonly found in mesenchymal cells, desmin in muscle cells, GFAP in astrocytes, while peripherin is found in peripheral nervous system neurons (PNS). Type...
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Microfluidic Dry-spinning and Characterization of Regenerated Silk Fibroin Fibers
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A NEW FOCUS ON FIBER.

Caitlin Evans1, Amy Petry2, Tim Johnson3

  • 1AB Vista, Marlborough, Wiltshire, SN8 4AN, UK.

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Summary
This summary is machine-generated.

Dietary fiber (DF) in poultry positively impacts gut health and performance when managed precisely. Advanced analysis and targeted approaches optimize its benefits for sustainable poultry production.

Keywords:
biomarkersdietary fibermicrobiomepigspoultry

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Area of Science:

  • Animal Science
  • Nutritional Science
  • Gut Health Research

Background:

  • Dietary fiber (DF) was historically viewed as an anti-nutrient in poultry, reducing energy and digestibility.
  • Contemporary research highlights DF's functional roles in gut health, nutrient utilization, and poultry performance.
  • Fiber fractions vary significantly in composition and physical properties, affecting digesta and microbial fermentation.

Purpose of the Study:

  • To review the evolving understanding of dietary fiber's role in poultry nutrition.
  • To emphasize the importance of precise fiber characterization and modern analytical methods.
  • To discuss the potential of targeted fiber strategies for optimizing poultry production and sustainability.

Main Methods:

  • Review of current research on dietary fiber in poultry nutrition.
  • Discussion of traditional versus modern fiber analysis techniques (e.g., crude fiber, total dietary fiber, near-infrared spectroscopy).
  • Exploration of the impact of fiber fractions on gut physiology, microbial fermentation, and short-chain fatty acid (SCFA) production.

Main Results:

  • Carefully managed DF type and inclusion levels enhance gut health, nutrient utilization, and performance.
  • Modern analytical methods provide better quantification of fiber components for precise diet formulation.
  • Targeting specific fiber types can promote beneficial fermentation, SCFA production, and improve intestinal barrier function.
  • Properly balanced DF improves feed efficiency, welfare, reproductive performance, and disease resilience.

Conclusions:

  • Precision nutrition approaches, combining accurate fiber analysis and gut health monitoring, are key to optimizing poultry production.
  • Understanding and managing dietary fiber is crucial for enhancing feed efficiency, animal welfare, and sustainability in poultry systems.
  • Further research is needed to standardize gut health biomarkers and account for flock variability in DF impact studies.