New Zealand serum, typically referring to New Zealand Fetal Bovine Serum (FBS), is fetal bovine serum sourced from cattle in New Zealand. It is widely used in cell culture applications to provide essential nutrients, hormones, and growth factors that support the growth and maintenance of mammalian cells. Known for its high quality and low risk of contamination, New Zealand FBS is favored in research and commercial applications, particularly for its consistency and purity.