Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Reggie Guerra"'
Publikováno v:
Agronomía Mesoamericana (2024)
Introduction. There is a high human concern about resistance to antibiotics due to their inappropriate use as growth promoters in animal husbandry. Objective. To evaluate the effect of a high level of zinc as a substitute to antibiotics in nursery pi
Externí odkaz:
https://doaj.org/article/677ae6ac69614f4a91966675f04499b2
Publikováno v:
Investigaciones agropecuarias. 3:12-29
Se dispuso de 265080 registros periódicos de leche (TD) de vacas Holstein puras y cruzadas con Brown Swiss o Jersey de dos rebaños en la cuenca lechera de Chiriquí entre 1996 y 2016. Inicialmente, se aplicó un modelo lineal mixto para conocer los
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f4626234a5ded71c54d1720b12ac575
https://doi.org/10.48204/j.ia.v3n1a2
https://doi.org/10.48204/j.ia.v3n1a2