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During the last 10 years the U.S. dairy industry has experienced a reversal of the decades-long trend in declining fertility traits. In fact, there is evidence that, nationally, this is contributing to improvements in pregnancy rates. And while these measures are still close to their historical...

Ott, T. L.; Dechow, C.; O'Connor, M. L.
Colégio Brasileiro de Reprodução Animal, Belo Horizonte, Brazil
Animal Reproduction (Belo Horizonte), 2014, 11, 3, pp 207-216