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 4.23
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -3.94 -0.375 1.48
Prot (kg) -2.52 -0.441 1.11
Fertility Sub Index 9.79
Calving Interval (days) -5.54 -1.459 8.08
Survival (%) 1.53 1.117 1.71
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.05
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.97 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 21.51

* Based on an €80/tonne carbon price