Is prolonged luteal phase a problem in lactating Holstein cows?
In this study, the main objective was to assess if long luteal phases could have other causes than pregnancy losses. We enrolled Holstein dairy cows ≥50 d in milk (DIM) from a …
Jose Vasconcelos
Association between genomic daughter pregnancy rates and reproductive parameters in Holstein dairy cattle
The objective of this observational study was to evaluate the relationship between genomic daughter pregnancy rate (GDPR) with reproduction parameters such as pregnancy at first …
Augusto Madureira
Technical note: Validation of an in-house bovine serum enzyme immunoassay for progesterone measurement
Audrey Nadalin
Symposium review: Linking activity-sensor data and physiology to improve dairy cow fertility
Ronaldo Cerri