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 -5.53
Milk (kg) 147.00 -0.014 -2.06
Fat (kg) 3.79 -0.375 -1.42
Prot (kg) 4.66 -0.441 -2.06
Fertility Sub Index -3.07
Calving Interval (days) 1.70 -1.459 -2.48
Survival (%) -0.53 1.117 -0.59
Calving Sub Index 0.30
Gestation Length (days) -0.33 -0.919 0.30
Beef Sub Index 0.23
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 3.51 -0.432 -1.52
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index -6.91

* Based on an €80/tonne carbon price