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 8.19
Milk (kg) -164.00 -0.014 2.30
Fat (kg) -7.08 -0.375 2.65
Prot (kg) -7.35 -0.441 3.24
Fertility Sub Index 8.86
Calving Interval (days) -3.75 -1.459 5.47
Survival (%) 3.03 1.117 3.39
Calving Sub Index -3.39
Gestation Length (days) 3.69 -0.919 -3.39
Beef Sub Index 2.29
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -1.28 -0.432 0.55
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 18.98

* Based on an €80/tonne carbon price