A method of enhancing the growth of an animal is provided. The method includes causing the animal to ingest or absorb an effective amount of a preparation obtainable by a process including, bringing a tyrosinate moiety into contact with an Fe(III)-containing substance, optionally wherein the tyrosinate moiety is tyrosine and it is brought into contact with the Fe(III)-containing substance in the presence of a base, or wherein the tyrosinate moiety is a tyrosine salt and it is brought into contact with an Fe(III)-containing substance. Methods for inhibiting, reducing, or preventing biofilm formation or buildup on a surface; the treatment of, inhibition of growth of, and inhibition of colonization by, bacteria, both in biological and non-biological environments; disinfecting surfaces, potentiating the effects of antibiotics and other anti-microbial agents, and increasing the sensitivity of bacteria and other microorganisms, to anti-microbial agents are also provided.

Antimicrobial compositions comprising sulfur- or selenium-containing, fatty-acylated alpha-hydroxy acid compounds and methods of using said compounds or compositions to inhibit microbial growth.

Provided are therapeutic compositions containing Ecobiotic populations for prevention, treatment and reduction of symptoms associated with a dysbiosis of a mammalian subject such as a human.

Provided are therapeutic compositions containing Ecobiotic populations for prevention, treatment and reduction of symptoms associated with a dysbiosis of a mammalian subject such as a human.

The use of a lignin fraction as a human and animal food supplement ingredient, as well as food supplements comprising the same, are disclosed.

Described herein are compositions and methods to be used in controlling pests, such as arthropods, nematodes, helminths, insect pests, internal parasites, and external parasites. Such compositions make use of at least a blend of one or more essential oils and, optionally, additional components, such as surfactants, emulsifiers, solvents, additives, and inerts. Compositions can be applied to a variety of locations to control pests or can also be added into feed or foodstuffs to afford internal pest control.