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 6.47
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -5.28 -0.375 1.98
Prot (kg) -5.11 -0.441 2.26
Fertility Sub Index 5.71
Calving Interval (days) -3.65 -1.459 5.33
Survival (%) 0.34 1.117 0.38
Calving Sub Index 0.96
Gestation Length (days) -1.04 -0.919 0.96
Beef Sub Index 2.41
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 0.29 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 3.74
Live WT (kg) -12.20 -0.307 3.74
Total Carbon Sub Index 19.28

* Based on an €80/tonne carbon price