Specific immunological areactivity formation during gestation period in pregnant sowsAlexander Agarkov, Anatoly Dmitriev, Andrey Kvochko, Elena Grudeva, Nikolay Agarkov and Artem OnishchenkoE3S Web Conf., 210 (2020) 06002DOI: https://doi.org/10.1051/e3sconf/202021006002