Evaluation of the immunological and microbial conditions of bovine colostrum before and after pasteurization in Yagui Chico, San Miguel, Bolívar – Ecuador
DOI:
https://doi.org/10.29076/issn.2528-7737vol18iss49.2025pp38-48pKeywords:
Colostrum, degrees Brix, ELISA, pasteurizationAbstract
The research addresses the importance of colostrum in bovine neonatal nutrition and immunity, due to the lack of placental transfer of immunoglobulins. Pre- and post-pasteurized colostrum was analyzed at the Yagui Chico facility, Ecuador. Degrees Brix, IgG, and microbiological quality were evaluated. 50% of the samples were of good quality (≥ 22° Brix), and 80% of the calves showed successful transfer of passive immunity. However, the samples did not meet health quality standards. After pasteurization, the bacterial load decreased significantly. It was found that failures in the transfer of passive immunity depend on 29.27% on bacterial counts. A strong positive correlation was observed between Brix degrees and IgG concentration, suggesting a direct relationship between immunological quality and the concentration of sugars in colostrum
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