Patrícia Tomazini Medeiros

The global pork production is expected to rise by 10% over the next decade. Given, however, that pig farmers worldwide are currently struggling to keep up with increasingly stringent regulations on nitrogen (N) pollution emission, now is clearly not the time to rest on our laurels, rather for a sober reality check. Put simply - more pigs will mean more N excretion, meaning pig farmers will soon be ...

A study published in 2003 comparing the nutrition and genetics of broilers from 1957 to a commercially available broiler strain estimated that within less than 50 years of development, broilers were reared to maturation in a third of the time (Havenstein et al., 2003). This shows clear evidence that improvements in genetics, nutrition and management of rearing meat producing chickens has continual ...

DL-Methionine (DL-Met, 99%) and liquid DL-2-hydroxy-4-methylthio butanoic acid (methionine hydroxy analogue-free acid, MHA-FA, 88%) are often used in commercial poultry feeds to meet the requirements for Methionine+Cysteine (M+C). However, differences in chemical properties and absorption decrease the relative bioavailability value (RBV) of MHAFA, which corresponds to 65% of DL-Met for performance ...