Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Juan Encina"'
Publikováno v:
Mljekarstvo, Vol 73, Iss 3, Pp 155-163 (2023)
This study aimed at determining the association between reproductive indexes and the total milk yield in non-planed lactations ≥600 days in sub-fertile Holstein cows treated or not with recombinant bovine somatotropin (rbST) and experienced prolong
Externí odkaz:
https://doaj.org/article/4116bbdce5f4460ba2affabd75624a37
Autor:
Marcos Luna, Juan Encina, Perpetuo Álvarez, José Eduardo García, Ulises Macías-Cruz, Leonel Avendaño-Reyes, Miguel Mellado
This retrospective study aimed to estimate the seroprevalence of bovine brucellosis (bBR) in high-yielding Holstein heifers and identify risk factors associated with seropositivity to this disease. An additional aim was to assess the heifer-related r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40c24ae4b92696303e3e346fca20b6fa
https://doi.org/10.21203/rs.3.rs-1340603/v1
https://doi.org/10.21203/rs.3.rs-1340603/v1
Los fundamentos esenciales de la biología de las plantas: su evolución, biodiversidad, anatomía, fisiología y taxonomía, los ecosistemas y la contaminación, la agricultura y la obtención de materias primas, los organismos transgénicos, las dr