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 7.84
Milk (kg) -120.00 -0.014 1.68
Fat (kg) -8.93 -0.375 3.34
Prot (kg) -6.38 -0.441 2.82
Fertility Sub Index 5.55
Calving Interval (days) -4.59 -1.459 6.70
Survival (%) -1.03 1.117 -1.15
Calving Sub Index -3.49
Gestation Length (days) 3.80 -0.919 -3.49
Beef Sub Index 3.21
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -3.78 -0.432 1.63
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 14.95

* Based on an €80/tonne carbon price