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 30.07
Milk (kg) -673.00 -0.014 9.42
Fat (kg) -25.91 -0.375 9.70
Prot (kg) -24.80 -0.441 10.95
Fertility Sub Index 6.58
Calving Interval (days) -4.11 -1.459 6.00
Survival (%) 0.52 1.117 0.58
Calving Sub Index 0.47
Gestation Length (days) -0.51 -0.919 0.47
Beef Sub Index 2.09
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 0.18 -0.432 -0.08
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 42.22

* Based on an €80/tonne carbon price