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 14.85
Milk (kg) -252.00 -0.014 3.53
Fat (kg) -15.03 -0.375 5.63
Prot (kg) -12.89 -0.441 5.69
Fertility Sub Index 2.68
Calving Interval (days) -1.23 -1.459 1.79
Survival (%) 0.79 1.117 0.88
Calving Sub Index -1.56
Gestation Length (days) 1.70 -0.919 -1.56
Beef Sub Index -1.49
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) 2.47 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 3.19
Live WT (kg) -10.40 -0.307 3.19
Total Carbon Sub Index 17.66

* Based on an €80/tonne carbon price