TY  - SER
AU  - Tabarelli Neto,J.F.
AU  - Barros,H.M.
AU  - Bizutti,O.
AU  - Reiner,U.R.
TI  - Observations on the reproductive patterns in zebu cattle raised in range conditions in the state of S. Paulo - Brazil. 4. Annual incidence of calvings and conceptions - sex - ratio
KW  - Gado Zebu
KW  - Reproducao Animal
KW  - Parto
KW  - Sao Paulo
ER  -