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The kingdom Archaeplastida encompasses red and green algae, along with land plants. Unlike other protists with chloroplasts that arose through secondary endosymbiosis, only red and green algae originated from primary endosymbiotic events. This diverse group of eukaryotic organisms contains chlorophyll and performs oxygenic photosynthesis.Algae exist in various forms, from large brown kelp in coastal waters to green scum in puddles and stains on rocks or soil. Some species are responsible for...
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Red algae, also known as rhodophytes, are primarily found in marine environments, though some species inhabit freshwater and terrestrial ecosystems. These organisms exist in both unicellular and multicellular forms, with some multicellular varieties reaching macroscopic sizes.As phototrophic organisms, red algae contain chlorophyll a; however, their chloroplasts lack chlorophyll b. Instead, they possess phycobiliproteins, which serve as major light-harvesting pigments, similar to those found in...
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The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...
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Dietary microalgae on poultry meat and eggs: explained versus unexplained effects.

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Area of Science:

  • Animal Science
  • Food Science
  • Biochemistry

Background:

  • Microalgae are increasingly explored as novel feed ingredients for poultry.
  • Poultry products (meat and eggs) are significant sources of nutrition for humans.

Purpose of the Study:

  • To review the effects of microalgae as feed on the physical, chemical, and nutritional properties of broiler and laying hen products.
  • To highlight potential biochemical and molecular mechanisms involved.

Main Methods:

  • Literature review of studies investigating microalgae in poultry diets.
  • Analysis of reported changes in meat and egg quality attributes.

Main Results:

  • Microalgae supplementation alters the physical, chemical, and nutritional profiles of poultry meat and eggs.
  • Observed effects are linked to the unique composition of microalgae.

Conclusions:

  • Microalgae show potential for enhancing the nutritional value of poultry products.
  • Further investigation is required to elucidate the precise mechanisms and optimize the use of microalgae for health-promoting poultry foods.