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 6.17
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -3.99 -0.375 1.49
Prot (kg) -5.91 -0.441 2.61
Fertility Sub Index 2.86
Calving Interval (days) -1.51 -1.459 2.20
Survival (%) 0.59 1.117 0.66
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.40
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.76 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 4.38
Live WT (kg) -14.30 -0.307 4.38
Total Carbon Sub Index 17.63

* Based on an €80/tonne carbon price