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 3.91
Milk (kg) -70.00 -0.014 0.98
Fat (kg) -2.26 -0.375 0.85
Prot (kg) -4.72 -0.441 2.08
Fertility Sub Index -0.51
Calving Interval (days) 0.38 -1.459 -0.55
Survival (%) 0.04 1.117 0.04
Calving Sub Index -0.12
Gestation Length (days) 0.13 -0.919 -0.12
Beef Sub Index -0.21
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 2.45 -0.432 -1.06
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 4.42

* Based on an €80/tonne carbon price