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 11.03
Milk (kg) -230.00 -0.014 3.22
Fat (kg) -8.30 -0.375 3.11
Prot (kg) -10.66 -0.441 4.70
Fertility Sub Index 5.18
Calving Interval (days) -3.10 -1.459 4.52
Survival (%) 0.59 1.117 0.66
Calving Sub Index -0.26
Gestation Length (days) 0.28 -0.919 -0.26
Beef Sub Index -1.02
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 3.82 -0.432 -1.65
Maintenance Sub Index Maint. Sub Index 2.85
Live WT (kg) -9.30 -0.307 2.85
Total Carbon Sub Index 17.79

* Based on an €80/tonne carbon price