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 3.06
Milk (kg) -78.00 -0.014 1.09
Fat (kg) -4.24 -0.375 1.59
Prot (kg) -0.86 -0.441 0.38
Fertility Sub Index 5.97
Calving Interval (days) -2.85 -1.459 4.16
Survival (%) 1.62 1.117 1.81
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.57
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) -1.31 -0.432 0.57
Maintenance Sub Index Maint. Sub Index 6.65
Live WT (kg) -21.70 -0.307 6.65
Total Carbon Sub Index 22.06

* Based on an €80/tonne carbon price