Science Daily summarises the findings of a paper which reports on recent successful attempts to transgenically breed a pig that utilises  phosphorous more efficiently.  The pigs have genetically modified salivary glands, which help them digest phosphorus in feedstuffs, thereby reducing phosphorus pollution in the environment.

A new book by John Webster, Professor Emeritus at the University of Bristol, seeks to identify and explain the causes and contributors to current problems in animal husbandry, especially those related to 'factory farming', and advance arguments that may contribute to its successful re-orientation.