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 6.60
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -7.28 -0.375 2.73
Prot (kg) -4.30 -0.441 1.90
Fertility Sub Index 5.84
Calving Interval (days) -2.80 -1.459 4.09
Survival (%) 1.57 1.117 1.75
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.33
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.46 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 21.38

* Based on an €80/tonne carbon price