Table 1.

Sources of Bacillus probiotic strains and identification technique

Source	Bacillus strain	Identification technique	Animal model	References
Soil	B. subtilis HB2	16S ribosomal RNA gene amplification and sequence analysis	Poultry	[24]
Soil	B. amyloliquefaciens DSM 25,840 or B. subtilis DSM32324	16S ribosomal RNA gene amplification and sequence analysis	Piglets	[25]
Fermented pickles	B. subtilis L10 and G1	16S ribosomal RNA gene amplification and sequence analysis	Shrimp	[26]
Weaned pig	B. subtilis KN-42	16S ribosomal RNA gene amplification and sequence analysis	Pig	[27]
Gut of fish	B. subtilis ANSB060	Phenotypic characters and 16S rRNA gene sequencing	Broiler	[23]
Digestive tract of freshwater fish	B. subtilis KX756706 B. cereus KX756707 B. amyloliquefaciens KX775224	16S ribosomal RNA gene amplification and sequence analysis	Fish	[28]
Gastrointestinal tract of young broiler chicks	B. subtilis PRO	16S ribosomal RNA gene amplification and sequence analysis	Poultry	[29]