How to make a scientific immunization protocol for sows on a pig farm

Sow immunization schedule
Immunization schedule for replacement gilts,
45 days before mating. Pseudorabies 2-3ml, booster immunization three weeks later,
38 days before mating. Parvovirus and Japanese encephalitis 2ml, booster immunization three weeks later
30 days before mating. Foot-and-mouth disease 6ml, same as above
25 days before mating. Classical swine fever 6-8 doses spleen and lymph tissue vaccine
Parous sows
March and September. Swine pasteurellosis 2 doses, can be used during the empty period.
April. Japanese encephalitis 2 doses, booster immunization in early May.
45 days before farrowing. FMD vaccine 5ml
40 days before farrowing, Escherichia coli vaccine. 2ml is the production environment
35 days before farrowing, Streptococcus and pseudorabies 2 doses and 3ml, intramuscular injection
21 days before farrowing, combined gastric and intestinal disease vaccine 4ml, as circumstances require
15 days before farrowing, Escherichia coli 2ml
15 days after farrowing. Parvovirus 8ml, used in combination for three parities
20 days after farrowing. Foot-and-mouth disease 3ml
25 days after farrowing. Classical swine fever vaccine. 8 doses
30 days after farrowing. Pseudorabies, 3ml
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It must comply with the standards of animal health supervision