Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 13.23
Milk (kg) -312.00 -0.014 4.37
Fat (kg) -12.00 -0.375 4.49
Prot (kg) -9.89 -0.441 4.37
Fertility Sub Index 7.52
Calving Interval (days) -4.05 -1.459 5.91
Survival (%) 1.44 1.117 1.61
Calving Sub Index 0.97
Gestation Length (days) -1.05 -0.919 0.97
Beef Sub Index 3.29
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) -1.87 -0.432 0.81
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 28.07

* Based on an €80/tonne carbon price