ANTI-INFECTION RESISTANCE OF CATTLE AGE CHARACTERISTICS
Ключевые слова:
cattle, calf, natural resistance, conditionally pathogenic microorganisms, immune indicators, blood serum, antibodies.Аннотация
The natural immune characteristics of cattle of different ages against conditional pathogenic microorganisms were studied. In the blood serum of cattle, it was found that antibodies with a high titer from 1:100 to 1:400 are formed against conditional pathogenic microorganisms. These indicators showed that the natural immune characteristics of cattle of different ages are high, that is, they have developed natural active immunity.
Загрузки
Опубликован
Как цитировать
Выпуск
Раздел
Лицензия
Copyright (c) 2023 Web of Scientist: International Scientific Research Journal
Это произведение доступно по лицензии Creative Commons «Attribution-NonCommercial» («Атрибуция — Некоммерческое использование») 4.0 Всемирная.