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 14.29
Milk (kg) -474.00 -0.014 6.64
Fat (kg) -7.10 -0.375 2.66
Prot (kg) -11.32 -0.441 5.00
Fertility Sub Index 5.26
Calving Interval (days) -3.16 -1.459 4.61
Survival (%) 0.58 1.117 0.65
Calving Sub Index 0.31
Gestation Length (days) -0.34 -0.919 0.31
Beef Sub Index 2.09
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 1.03 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 26.03

* Based on an €80/tonne carbon price