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 4.27
Milk (kg) -49.00 -0.014 0.69
Fat (kg) -4.62 -0.375 1.73
Prot (kg) -4.21 -0.441 1.86
Fertility Sub Index 4.67
Calving Interval (days) -4.44 -1.459 6.48
Survival (%) -1.62 1.117 -1.81
Calving Sub Index -3.49
Gestation Length (days) 3.80 -0.919 -3.49
Beef Sub Index 2.21
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) -4.03 -0.432 1.74
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 9.90

* Based on an €80/tonne carbon price