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 3.78
Milk (kg) -100.00 -0.014 1.40
Fat (kg) -3.17 -0.375 1.19
Prot (kg) -2.70 -0.441 1.19
Fertility Sub Index 11.47
Calving Interval (days) -6.36 -1.459 9.28
Survival (%) 1.96 1.117 2.19
Calving Sub Index 1.38
Gestation Length (days) -1.50 -0.919 1.38
Beef Sub Index 1.32
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 1.96 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 20.95

* Based on an €80/tonne carbon price