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 2.84
Milk (kg) -43.00 -0.014 0.60
Fat (kg) -1.18 -0.375 0.44
Prot (kg) -4.08 -0.441 1.80
Fertility Sub Index 4.07
Calving Interval (days) -2.21 -1.459 3.22
Survival (%) 0.76 1.117 0.85
Calving Sub Index -1.86
Gestation Length (days) 2.02 -0.919 -1.86
Beef Sub Index -3.12
Carcass Weight (kg) 7.20 -0.528 -3.80
Age of Slaughter (days) -1.58 -0.432 0.68
Maintenance Sub Index Maint. Sub Index -5.82
Live WT (kg) 19.00 -0.307 -5.82
Total Carbon Sub Index -3.88

* Based on an €80/tonne carbon price