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The objective of this study was to examine the effects of increasing circulating progesterone in multiparous Holstein cows, using an intravaginal progesterone implant between days 3 and 7 following fixed-time artificial insemination (FTAI). The animals were randomly assigned into two groups: (1)...

Marques, T. C.; Leão, K. M.; Viu, M. A. de O.; Sartori, R.
Springer, Amsterdam, Netherlands
Tropical Animal Health and Production, 2014, 46, 2, pp 405-410