Ewe lactation, twins feed cost per tonne (sheep)
Least-cost cost of a ewe lactation, twins (sheep) template formula, re-solved weekly at Feedsoft benchmark prices by market: history, what drove the change, the current mix and the ingredients close to entering it. Peak demand, four weeks after lambing. Two lambs on one ewe is the hardest sum in the flock.
Nutrient targets (dry matter): ME ruminant ≥ 2.45 Mcal/kg, Crude protein 15–17.5 %, Rumen degradable protein ≥ 9.5 %, Rumen undegradable protein ≥ 4 %, Neutral detergent fiber 26–45 %, Acid detergent fiber ≥ 15 %, Calcium 0.55–0.9 %, Phosphorus (total) 0.3–0.45 %, Magnesium 0.16–0.4 %, Potassium ≥ 0.7 %, Sodium 0.12–0.3 %, Sulfur 0.16–0.3 %.
Ingredients allowed: Grass hay 0–55%, Alfalfa hay (mid-bloom) 10–40%, Corn silage (35% DM) 0–35%, Soybean hulls 0–20%, Beet pulp (dried pellets) 0–12%, Corn grain 0–50%, Soybean meal 48% 0–18%, Corn DDGS 0–15%, Cane molasses 0–5%, Feed-grade urea (46% N) 0–0.5%, Limestone 0–2%, Dicalcium phosphate 0–1.2%, Salt 0.3–0.6%, Magnesium oxide 0–0.5%, Potassium chloride 0–0.6%, Vitamin premix 0.1%, Trace mineral premix (sheep, copper-free) 0.1%.