Two hardcover professional scientific publications the proceedings f the annual conferences held in (animal) feeding and nutrition, and edited by T Pearse Lyons, the Irish born founder of Alltech,
1987 - proceedings of Alltech's 3rd symposium) features on apllied biotechnology, yeast cultures, , probiotics, acidification, enzymes, pig nutrition, poultry nutrition, as well as dairy nutrition
1988 - ( proceedings of Alltech's 4th Symposium) optimising dairy production, live yeast culture, electrlytes and trace minerals, feed utlization, scepiality feeds - for rabbits, mink s, waste handling systems
Aimed at a scientific or biotechnology readership.
The q988 voluem is as new, the 1987 volume has edgewear to the coversand ink staining to the top of the spine ( externally ) only.