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pro vyhledávání: '"René Carlos Calderón-Robles"'
Autor:
René Carlos Calderón-Robles, BenjamÃn Flores-DomÃnguez, Ãngel RÃos Utrera, Jorge VÃctor Rosete-Fernández, Juvencio Lagunes-Lagunes
Publikováno v:
Tropical and Subtropical Agroecosystems, Vol 13, Iss 3 (2011)
The objective of the study was to determine days to first postpartum estrus (DFPE), days to first service (DFS), days open (DO), services per conception (SPC) and calving interval (CI) in Holstein (HO) and Brown Swiss (BS) cows grazing in an Af(c) cl
Externí odkaz:
https://doaj.org/article/f013125b296f4140b5bf8ee54d8aca37