Lactobacillus acidophilus King45 for improving pet hair as well as fungicide and application of lactobacillus acidophilus King45

The invention relates to the technical field of application of microorganisms, in particular to lactobacillus acidophilus King45 for improving pet hair as well as a microbial agent and application of the lactobacillus acidophilus King45. The lactobacillus acidophilus King45 is preserved in the China General Microbiological Culture Collection Center (CGMCC) on August 19, 2022, the preservation address is No.3, No.1 yard, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC No.25558. The lactobacillus acidophilus King45 has the advantages that the lactobacillus acidophilus King45 can be used for preparing the lactobacillus acidophilus King45; the strain can be planted in intestinal tracts of pets for a long time, methionine is continuously generated through metabolism, so that the pets can keep bright hair color for a long time under the condition that other nutrient substances do not need to be additionally supplemented and the pets eat normally, the hair falling phenomenon of th