Table 1 Summary of dietary investigation and recommended changes following review a nutritional assessment on an Irish dairy farm
From: An investigation into reduced milk production following dietary alteration on an Irish dairy farm
Diet Details | Â | Early lactation cows1 (estimated yield 32 L2) | Late lactation cows1 (estimated yield 16 L2) | Dry Cows1 | Â |
|---|---|---|---|---|---|
Diet in use up to nutritional assessment | Composition | TMR: 15 kg 1st cut silage;15 kg 2nd cut silage; 20 kg maize silage; 2 kg barley; 2 kg wheat | TMR: 7.5 kg 1st cut silage; 7.5 kg 2nd cut silage; 10 kg maize silage; dry cow mineral | ||
| Â | Â | In-Parlour: 8 kg parlour blend 1 (table 5) | In-Parlour: 2 kg parlour blend 1 (table 5) | Â | Â |
| Â | Energy3 | 129% | 155% | 93% | Â |
| Â | Protein3 | 146% | 155% | 110% | Â |
| Â | Appetite3 | 115% | 99% | 56% | Â |
Diet advised at nutritional assessment | Composition | TMR: 12.5 kg 1st cut silage; 12.5 kg 2nd cut silage; 18 kg maize silage | TMR: 7.5 kg 1st cut silage; 7.5 kg 2nd cut silage; 10 kg maize silage; dry cow mineral | Within two weeks of calving: TMR: Ad-lib 50:50 grass/maize silage | |
| Â | Â | In-Parlour: 8 kg blend 2 (table 5) | In-Parlour: 1 kg blend 2 (table 5) | Â | Â |
| Â | Energy3 | 99.6% | 101% | 93% | NA |
| Â | Protein3 | 118% | 97% | 110% | NA |
| Â | Appetite3 | 97.6% | 68% | 56% | NA |