Poultry cells are used primarily to grow real chicken meat without raising or slaughtering birds, a process known as cultivated (or cell-cultured) meat production. Beyond that headline application, poultry cells also play important roles in vaccine manufacturing, virology research, and genetic engineering. Here’s how each of these uses works in practice.
Growing Meat From Poultry Cells
The largest and most commercially visible use of poultry cells is producing cultivated chicken meat. The process starts with a small tissue sample taken from a living chicken, a biopsy that doesn’t require harming or killing the animal. Selected cells from that sample are screened, grown, and stored in a cell bank for future use.
From there, a small number of cells are placed into sealed, sterile vessels called bioreactors, where they’re fed a nutrient-rich liquid medium containing sugars, amino acids, and proteins like albumin and transferrin. These nutrients fuel rapid multiplication. The cells divide again and again until they number in the billions or trillions. At that point, manufacturers introduce growth factors and new surfaces that prompt the cells to specialize into muscle, fat, or connective tissue, the same components that make up conventional meat.
The whole cycle takes roughly two to four weeks depending on the product. Ground chicken requires less time, while a structured filet takes longer. Complex cuts that mimic the layered texture of a steak can be shaped with 3-D bioprinting. Once the cellular material reaches the target composition, it’s harvested and processed using standard food packaging methods.
On June 21, 2023, two companies, UPSIDE Foods and GOOD Meat, received final USDA approval to sell cell-cultivated chicken in the United States, making it the first commercially available cultivated poultry in the country.
Which Cell Types Matter and Why
Different poultry cell types serve different roles in building meat texture and flavor. Muscle cells (myoblasts) fuse into long fibers called myotubes, which provide the protein-rich structure that gives meat its familiar chew. Fat cells contribute intramuscular fat, the marbling that directly influences flavor and juiciness. Connective tissue cells produce collagen and other structural proteins that add elasticity.
Fibroblasts, one of the most abundant cell types in any animal’s body, have become especially useful. They can be collected through minimally invasive biopsies and replicate indefinitely in lab conditions. More importantly, fibroblasts can be coaxed into becoming muscle cells, fat cells, or collagen-producing cells. This flexibility lets manufacturers tune the ratio of lean meat to fat in a final product, essentially dialing in the level of marbling.
Nutritional Differences From Conventional Chicken
Cultivated chicken closely resembles conventional chicken breast nutritionally, but the two aren’t identical. A study comparing cell-cultured chicken meat (CCM) to traditional chicken found that CCM contains higher levels of several minerals, particularly copper, iron, potassium, and zinc, along with more vitamins B5, B6, and A. On the other hand, it has about 9 to 16 percent less protein and lower levels of most essential amino acids. It also tends to be higher in total fat, saturated fat, and cholesterol compared to a conventional chicken breast.
These differences stem largely from the growth medium and conditions used during production. As serum-free formulations improve, the nutritional gap may narrow, but for now, cultivated chicken offers a mineral-rich profile at the cost of somewhat less protein per serving.
Vaccine Production
Poultry cells have a long history in vaccine manufacturing, where they serve as hosts for growing viruses. Traditional flu vaccines, for instance, are produced in fertilized chicken eggs, but avian cell lines offer a faster, more scalable alternative. Specialized quail-derived cell lines can support high-yield production of influenza viruses, flaviviruses (the family that includes dengue and Zika), and modified vaccinia Ankara (MVA) virus.
MVA is particularly significant because it functions as a versatile live vector for developing human vaccines against diseases like malaria and cancer, targets where conventional vaccine approaches have struggled. Growing these viruses in poultry cell lines instead of eggs eliminates the dependency on egg supply chains and allows production to ramp up quickly during outbreaks.
Genetic and Virology Research
In the lab, poultry cell lines are workhorses for studying bird-specific viruses and testing gene-editing techniques. The DF-1 cell line, derived from chicken embryo fibroblasts, is widely used in virology research. Scientists have used gene-editing tools on DF-1 cells to target specific genetic regions and demonstrate resistance to avian leukosis virus, a common poultry pathogen. This kind of work lays the groundwork for breeding disease-resistant chickens, which could reduce losses in commercial poultry farming and lower the need for antibiotics.
Poultry cells also help researchers understand how bird flu strains replicate and mutate, information that feeds directly into pandemic preparedness for viruses that could jump from birds to humans.
Environmental Implications
One reason cultivated poultry has attracted so much investment is its potential environmental footprint. Systematic reviews of life-cycle assessments show that cultivated meat can reduce land use by up to 99 percent and water use by up to 96 percent compared to conventional beef production. Even compared to conventional chicken, which is already one of the more efficient animal proteins, cultivated meat converts crops into edible protein nearly three times more efficiently. That translates to less agricultural land, lower nitrogen runoff, and reduced air pollution from farming operations.
These numbers depend heavily on the energy source powering the bioreactors. Facilities running on renewable electricity produce dramatically lower emissions than those relying on fossil fuels, making the energy grid a key variable in whether cultivated chicken delivers on its environmental promise.