Background:

Tylosin phosphate(Fradizine; Tylocine; Tylosin A) is a broad spectrum antibiotic against Gram-positive organisms and a limited range of Gram-negative organisms.

参考文献:
[1]. Pilcher CM, et al. Impact of tylosin phosphate and distillers dried grains with solubles on energy and nutrient digestibility and flow through the gastrointestinal tract in growing pigs. J Anim Sci. 2013 Dec;91(12):5687-95.
[2]. Entorf M, et al. Tylosin susceptibility of staphylococci from bovine mastitis. Vet Microbiol. 2014 Jul 16;171(3-4):368-73.