Participation in Forum on July 23, 2018
Hello Francisco.Could you write the time vaccination for this Ma5, 4/91 you prefer?
Islam Masoud Raslsn likes the comment:
There are two schools of thought concerning IB immunization. One sustains the development of new vaccines as new variant strains appear. The main problem with this strategy is that there is evidence it may speed-up the emergence of new variants, a phenomenon clearly explained by Darwinian selection. The other one is the strategic use of antigenically distant vaccine strains which are already in us ...
Participation in Forum on December 30, 2014
what about mycotoxins in the feed and their negative effects on the kidneys, and not change vitamin D2 to D3
This member had joined Engormix
March 18, 2013