II.H.Animal Production with Grazing Methods . . . . . . . . . . . . . . . 37
II.H.1.Continuous and Rotational Grazing . . . . . . . . . . . . . 37
II.H.2.Variable Nutrition with Rotational Grazing . . . . . . . . . 38
II.H.3.Rotational Grazing for High and Low Production
per Animal . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
II.H.4.Strip Grazing, Green Chip, Hay, and Silage . . . . . . . . . 42
II.H.5.Creep Grazing and Creep Feeding . . . . . . . . . . . . . . 42
II.H.6.Conclusions . . . . . . . . . . . . . . . . . . . . . . . . 44
II.I.Nutritional needs of Ruminants . . . . . . . . . . . . . . . . 45
II.I.1.Nutritional Needs of Beef Cows with Nursing
Calves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
II.I.1.1.Milk from Damn Not Adequate for Calves . . . . . . . 45
II.I.1.2.Good Calf Gains with Limited Feed for
Cows . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
II.I.1.3.Efficiency in Converting Forage to Calf
Production . . . . . . . . . . . . . . . . . . . . . . . . 48
II.I.2.Nutritional Needs of Ruminants and Horses Differ . . . . . . 48
II.J.Hay and Silage Crops . . . . . . . . . . . . . . . . . . 49
II.J.1.Perennial Grasses and Legumes . . . . . . . . . . . . . . . 49
II.J.2.Wilted Silage and Animal Production . . . . . . . . . . . . 50
II.J.3.Corn Silage, A High Energy Forage . . . . . . . . . . . . . 52
II.J.4.Sorghum and Small Grains . . . . . . . . . . . . . . . . . . 55
II.J.4.1.Sorghum Silage . . . . . . . . . . . . . . . . . . . 56
II.J.4.2.Small Grains for Silage . . . . . . . . . . . . . . 57
II.J.5.High Energy and High Protein Silage Rations . . . . . . . . 58
II.J.6. Conclusions . . . . . . . . . . . . . . . . . . . . . . . . 61
III.Models of Forage-Animal Systems . . . . . . . . . . . . . 63
III.A.Characteristics of Good Systems . . . . . . . . . . . . . . 63
III.B.A Forage System for Breeding Herds . . . . . . . . . . . . 64
III.C.A System with Perennial Grasses and Legumes . . . . . . . . 64
III.D.Systems with Annual and Perennial Forages . . . . . . . . . 65
III.E.Twelve-Month Grazing Systems for Raising
Calves . . . . . . . . . . . . . . . . . . . . . . . . . . 65
III.E.1.Forage-Animal Systems . . . . . . . . . . . . . . . . . . . 65
III.E.1.1.System A:Bluegrass-White Clover and
Alfalfa Orchardgrass . . . . . . . . . . . . . . . . . . . 65
III.E.1.2.System B:Bluegrass-White Clover and
Tall Fescue-Red Clover . . . . . . . . . . . . . . . . . . 66
III.E.1.3.System C:Tall Fescue with Legumes . . . . . . . . . 67
III.E.2.Health of Cows and Calves . . . . . . . . . . . . . . . . . 67
III.E.3.Calf Gains and Weaning Weights . . . . . . . . . . . . . . 67
III.E.4.Performance of Cows . . . . . . . . . . . . . . . . . . . . 68
III.E.4.1.Calving Percentages . . . . . . . . . . . . . . . . 68
III.E.4.2.Liveweights of Cows . . . . . . . . . . . . . . . . 68
III.E.5.Winter vs. Fall Calving . . . . . . . . . . . . . . . . . . 69
III.E.5.1.Cows . . . . . . . . . . . . . . . . . . . . . . . 69
III.E.5.2.Calves . . . . . . . . . . . . . . . . . . . . . . 69
III.E.6.Profit, Other Attributes, and Conclusions . . . . . . . . . 70
III.E.7.Details on Managing Systems . . . . . . . . . . . . . . . . 70
III.E.7.1.Forage System A . . . . . . . . . . . . . . . . . . 70
III.E.7.2.Forage System B . . . . . . . . . . . . . . . . . . 71
III.E.7.3.Forage System C: A Fescue System . . . . . . . . . 72