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 3.52
Milk (kg) -61.00 -0.014 0.85
Fat (kg) -3.43 -0.375 1.28
Prot (kg) -3.13 -0.441 1.38
Fertility Sub Index 6.48
Calving Interval (days) -3.18 -1.459 4.64
Survival (%) 1.65 1.117 1.84
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.98
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 0.19 -0.432 -0.08
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 13.69

* Based on an €80/tonne carbon price