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 -4.04
Milk (kg) 81.00 -0.014 -1.13
Fat (kg) 6.74 -0.375 -2.52
Prot (kg) 0.86 -0.441 -0.38
Fertility Sub Index -7.22
Calving Interval (days) 3.77 -1.459 -5.50
Survival (%) -1.54 1.117 -1.72
Calving Sub Index 2.06
Gestation Length (days) -2.24 -0.919 2.06
Beef Sub Index 0.19
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.97 -0.432 -1.28
Maintenance Sub Index Maint. Sub Index 0.61
Live WT (kg) -2.00 -0.307 0.61
Total Carbon Sub Index -8.39

* Based on an €80/tonne carbon price