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 4.23
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -5.51 -0.375 2.06
Prot (kg) -2.24 -0.441 0.99
Fertility Sub Index 5.18
Calving Interval (days) -2.32 -1.459 3.38
Survival (%) 1.61 1.117 1.80
Calving Sub Index -0.79
Gestation Length (days) 0.86 -0.919 -0.79
Beef Sub Index -3.24
Carcass Weight (kg) 6.00 -0.528 -3.17
Age of Slaughter (days) 0.18 -0.432 -0.08
Maintenance Sub Index Maint. Sub Index 1.66
Live WT (kg) -5.40 -0.307 1.66
Total Carbon Sub Index 7.03

* Based on an €80/tonne carbon price