Carbon Sub Index breakdown

Date of Evaluation Index Trait PTA * Carbon Cost (€) Contribution
PTA * Carbon Cost
May 2023 Milk Sub Index 4.42
Milk (kg) -100.00 -0.014 1.40
Fat (kg) -6.11 -0.375 2.29
Prot (kg) -1.66 -0.441 0.73
Fertility Sub Index 2.94
Calving Interval (days) -1.61 -1.459 2.35
Survival (%) 0.53 1.117 0.59
Calving Sub Index 2.43
Gestation Length (days) -2.64 -0.919 2.43
Beef Sub Index 1.26
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) -1.69 -0.432 0.73
Maintenance Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 13.81
* Based on an €80/tonne carbon price