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 -6.05
Milk (kg) 26.00 -0.014 -0.36
Fat (kg) 8.51 -0.375 -3.19
Prot (kg) 5.66 -0.441 -2.50
Fertility Sub Index -4.28
Calving Interval (days) 1.88 -1.459 -2.74
Survival (%) -1.38 1.117 -1.54
Calving Sub Index 0.27
Gestation Length (days) -0.29 -0.919 0.27
Beef Sub Index -0.44
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 2.25 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index -2.15
Live WT (kg) 7.00 -0.307 -2.15
Total Carbon Sub Index -12.66

* Based on an €80/tonne carbon price