After the first successful transfer of mammalian embryos in 1890, it was approximately 60
years before significant progress was reported in the basic technology of embryo transfer …

Improvement in animal productivity has been achieved over the years through careful
breeding and selection programs. Today, variations in the genome are gaining increasing …

During formation of the preimplantation embryo several cellular and molecular milestones
take place, making the few cells forming the early embryo vulnerable to environmental …

Reproduction in domestic animals is under control by man and the technologies developed
to facilitate that control have a major impact on the efficiency of food production …

Contents Many of the developmental anomalies observed in cloned animals are related to
foetal and placental overgrowth, a phenomenon known as the 'large offspring …

Animal breeders have made widespread use of assisted reproductive technologies to
accelerate genetic improvement programs aimed at obtaining more, better and cheaper food …

Adult stem cells are known for their plasticity and their potential to differentiate into several
different cell types; these characteristics have implications for cell therapy and reproductive …

Livestock production is of great importance for the economy of most South American
countries, a region that accounts for 23.0% of the world cattle population (Food Agriculture …

Cloning of mammals by somatic cell nuclear transfer (SCNT) is still plagued by low
efficiency. The epigenetic modifications established during cellular differentiation are a …

Although somatic cell nuclear transfer (SCNT) is a promising tool, its potential use is
hampered by the high mortality rates during the development to term of cloned offspring …