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 5.80
Milk (kg) -126.00 -0.014 1.76
Fat (kg) -7.05 -0.375 2.64
Prot (kg) -3.17 -0.441 1.40
Fertility Sub Index 7.26
Calving Interval (days) -3.46 -1.459 5.05
Survival (%) 1.98 1.117 2.21
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.61
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 2.37 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index 5.43
Live WT (kg) -17.70 -0.307 5.43
Total Carbon Sub Index 22.91

* Based on an €80/tonne carbon price