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 1.44
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -4.65 -0.375 1.74
Prot (kg) 1.20 -0.441 -0.53
Fertility Sub Index 4.61
Calving Interval (days) -2.80 -1.459 4.09
Survival (%) 0.47 1.117 0.53
Calving Sub Index -0.65
Gestation Length (days) 0.71 -0.919 -0.65
Beef Sub Index -5.26
Carcass Weight (kg) 6.90 -0.528 -3.64
Age of Slaughter (days) 3.76 -0.432 -1.62
Maintenance Sub Index Maint. Sub Index -1.20
Live WT (kg) 3.90 -0.307 -1.20
Total Carbon Sub Index -1.06

* Based on an €80/tonne carbon price