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 7.09
Milk (kg) -147.00 -0.014 2.06
Fat (kg) -9.25 -0.375 3.46
Prot (kg) -3.54 -0.441 1.56
Fertility Sub Index 6.23
Calving Interval (days) -3.00 -1.459 4.38
Survival (%) 1.66 1.117 1.85
Calving Sub Index 1.76
Gestation Length (days) -1.91 -0.919 1.76
Beef Sub Index 2.61
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) -3.36 -0.432 1.45
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 23.55

* Based on an €80/tonne carbon price