Hoar, B.R., Bell, T.C., Villanueva, V., Davy, J., Forero, L. and Maas, J. 2008. Herd-level Management and Biosecurity Factors associated with Measures of Reproductive Success in California Beef Cow-calf Herds. The Bovine Practitioner. 42, 2 (Jun. 2008), 132–138. DOI:https://doi.org/10.21423/bovine-vol42no2p132-138.