Colostrum Colostrum Colostrum (known colloquially as beestings, bisnings or first milk) is the first form of milk produced by the mammary glands of mammals (including many humans) immediately following delivery of the newborn. Most species will generate colostrum just prior to giving birth. Colostrum contains antibodies to protect the newborn against disease. In general, protein concentration in colostrum is substantially higher than in milk. Fat concentration is substantially higher in colostrum than in milk in some species, e.g. sheep and horses, but lower in colostrum than in milk in some other species, e.g. camels and humans. In swine, fat concentration of
Giving What We Can Giving What We Can conducts research to determine which charities it recommends for members and other people to support. It differs from other charity evaluators in terms of the importance given to metrics of charity performance. While evaluators such as Charity Navigator use the fraction of donations spent on program expenses versus administrative overhead as an important indicator, Giving What We Can solely focuses on the cost-effectiveness of the charity's work. It believes that the variance in cost-effectiveness of charities arises largely due to the variance in the nature of the causes that the charities operate in, and therefore makes