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 -3.43
Milk (kg) 11.00 -0.014 -0.15
Fat (kg) 6.75 -0.375 -2.53
Prot (kg) 1.70 -0.441 -0.75
Fertility Sub Index 3.69
Calving Interval (days) -1.18 -1.459 1.72
Survival (%) 1.76 1.117 1.97
Calving Sub Index 1.27
Gestation Length (days) -1.38 -0.919 1.27
Beef Sub Index 1.55
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 0.57 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 4.54
Live WT (kg) -14.80 -0.307 4.54
Total Carbon Sub Index 7.60

* Based on an €80/tonne carbon price