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 4.88
Milk (kg) -96.00 -0.014 1.34
Fat (kg) -4.28 -0.375 1.60
Prot (kg) -4.38 -0.441 1.93
Fertility Sub Index 2.68
Calving Interval (days) -2.18 -1.459 3.18
Survival (%) -0.45 1.117 -0.50
Calving Sub Index -1.73
Gestation Length (days) 1.88 -0.919 -1.73
Beef Sub Index 4.09
Carcass Weight (kg) -7.20 -0.528 3.80
Age of Slaughter (days) -0.67 -0.432 0.29
Maintenance Sub Index Maint. Sub Index 7.02
Live WT (kg) -22.90 -0.307 7.02
Total Carbon Sub Index 16.94

* Based on an €80/tonne carbon price