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 4.08
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -1.97 -0.375 0.74
Prot (kg) -5.68 -0.441 2.51
Fertility Sub Index -8.15
Calving Interval (days) 4.40 -1.459 -6.42
Survival (%) -1.55 1.117 -1.73
Calving Sub Index 1.06
Gestation Length (days) -1.15 -0.919 1.06
Beef Sub Index 0.16
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 3.42 -0.432 -1.48
Maintenance Sub Index Maint. Sub Index 0.40
Live WT (kg) -1.30 -0.307 0.40
Total Carbon Sub Index -2.46

* Based on an €80/tonne carbon price