Feeding Systems with Legumes to Intensify Dairy Farms - cgiar

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Content Project Objectives iii List of Abbreviations and Acronyms Used iv Executive Summary v Achievements attained for each component and activity of the Tropileche Consortium, 1996-2000 ix Final Report of the Tropileche Consortium: Feeding Systems with Legumes to Intensify Dairy Farms (A project executed by the Tropileche Consortium) 1 Introduction 1 Research Results 3 Component 1: Optimizing Forage Use 3 Activity 1.1. Controlled feeding and grazing trials to determine the relationships between milk production and forage resources Evaluation of Brachiaria decumbens alone and associated with Arachis pintoi on milk production 3 and milk components Rice yield (Oriza sativa) as an indicator of soil fertility with the incorporation of Stylosanthes 4 guianensis stubble in Pucallpa, Peru 12 Activity 1.2. Use of forage resources and supplementation of cows during the dry season 14 Evaluation of milk production systems using Cratylia argentea 15 In vivo studies on the complementarity between forage basal diets and legume supplements Effects of feeding fresh and ensiled Cratylia argentea during the dry season on milk production 18 and milk components Evaluation of Cratylia argentea as substitute of chicken manure in diets for cows grazing 21 Hyparrhenia rufa pastures 27 Use of additives for making Cratylia argentea silage Planting maize in association with forage soybean for silage production on the Pacific coast of 32 Costa Rica: 1. Economic effect of partial sale of tender corn harvest Planting maize in association with forage soybean for silage production on the Pacific coast of 36 Costa Rica: 2. Several indicators of silage quality 40 Activity 1.3. Functional relationships among forage resources of contrasting quality, rumen fermentation, and blood parameters Defining milk urea nitrogen concentrations for optimum recommendations of protein:energy 45 ratios in tropical forage diets 46 Research Results 48 Component 2. Developing New Feeding Alternatives for Dual-Purpose Cattle 48 xi Page
Activity 2.1. On-farm evaluation of different forage systems for beef cattle in dual-purpose systems 48 Milk production in dual-purpose cows grazing pastures of Brachiaria brizantha cv. La Libertad alone and associated with Arachis pintoi cv. El Porvenir in the subhumid tropics of Costa Rica 49 Effect of age of regrowth and cutting height on productivity of Cratylia argentea cv. Veraniega in the subhumid tropics of Costa Rica 55 Effect of supplementing fresh and ensiled Cratylia argentea cv. Veraniega on milk production of dual-purpose cows in the subhumid tropics of Costa Rica 61 Effect of using Centrosema macrocarpum on milk production in the Alto Mayo region of the Peruvian Amazon 66 Effect on milk yield of the association of Brachiaria brizantha with Arachis pintoi in the Alto Mayo region of the Peruvian Amazon 70 Activity 2.2. Evaluation of new feeding alternatives to allow early weaning 72 Use of Stylosanthes guianensis for strategic supplementation of pre-weaned calves in the Peruvian Amazon 73 Use of Stylosanthes guianensis with pre-weaned calves in dual-purpose production systems in the forest margins of Colombia 75 Activity 2.3. Integration of information using ruminant and feed system models 77 Decision tools to overcome nutrition constraints in dual-purpose cattle in agro-silvopastoral systems: Net carbohydrate and protein system model 78 Application of the model to research results at the Quilichao station 79 Usefulness of the CNCPS model 83 Activity 2.4. Workshops and meetings to analyze and plan research activities 84 Annual meeting: February 1998, Costa Rica 85 Annual workshop: June 1999, Peru 86 Regional consultation meeting: October 1999, Cost Rica 87 Research Results 88 Component 3: Usefulness of New Forage Systems 88 Activity 3.1. Diagnosis and economic characterization of land use at benchmark sites 88 Ex-ante analysis of new forage alternatives on dual-purpose cattle farms in Peru, Costa Rica, and Nicaragua 89 Early adoption of Arachis pintoi in the humid tropics: The case of dual-purpose cattle systems in Caquetá, Colombia 103 The need for forage technologies in the Alto Mayo region of the Peruvian Amazon 108 xii Page
Page 1 and 2: Feeding Systems with Legumes to Int
Page 3 and 4: Holmann, Federico and Lascano, Carl
Page 5 and 6: List of Abbreviations and Acronyms
Page 7 and 8: At the CIAT-Quilichao station (Depa
Page 9 and 10: In collaboration with Nicaragua’s
Page 11: (Continued) Component Activity Outs
Page 15 and 16: FINAL REPORT OF THE TROPILECHE CONS
Page 17 and 18: RESEARCH RESULTS Component 1: Optim
Page 19 and 20: during the rainy season, samplings
Page 21 and 22: Ncidence (%) 70 60 50 40 30 20 10 0
Page 23 and 24: Table 3. Effect of three types of p
Page 25 and 26: References Cipagauta, M.; Velasquez
Page 27 and 28: Table 1. Effect of incorporating St
Page 29 and 30: Evaluation of Milk Production Syste
Page 31 and 32: Table 2. Quality of milk produced b
Page 33 and 34: Table 1. Effect of level and freque
Page 35 and 36: Effects of Feeding Fresh and Ensile
Page 37 and 38: Table 1. Daily intake of dry matter
Page 39 and 40: argentea (taking into account cutti
Page 41 and 42: Evaluation of Cratylia argentea as
Page 43 and 44: A 3 x 3 Latin square changeover des
Page 45 and 46: argentea is recommended over the us
Page 47 and 48: The silos were left to ferment for
Page 49 and 50: References Argel, P. J. and Lascano
Page 51 and 52: y the Grain and Seed Research Cente
Page 53 and 54: Table 2. Yields per hectare in diff
Page 55 and 56: Table 1. Treatments evaluated for m
Page 57 and 58: Table 3. Dry matter and crude prote
Page 59 and 60: Activity 1.3 Functional relationshi
Page 61 and 62: increase in milk yield when offered
Page 63 and 64:
Milk Production in Dual-Purpose Cow
Page 65 and 66:
associated pasture. Also, the perce
Page 67 and 68:
that of cows grazing sole cropped p
Page 69 and 70:
Effect of Age of Regrowth and Cutti
Page 71 and 72:
Average DM yields/plant at 60 days
Page 73 and 74:
Percentage 70 60 50 40 30 20 10 0 F
Page 75 and 76:
Effect of Supplementing Fresh and E
Page 77 and 78:
Table 1. Average milk production, t
Page 79 and 80:
Lucas, H. L. 1983. Design and analy
Page 81 and 82:
U = overall mean Tj = effect of the
Page 83 and 84:
In the case of king grass, estimate
Page 85 and 86:
Milk production during the season o
Page 87 and 88:
Jorge Vela IIAP, Peru Use of Stylos
Page 89 and 90:
Use of Stylosanthes guianensis with
Page 91 and 92:
Activity 2.3. Integration of inform
Page 93 and 94:
Application of the Model to Researc
Page 95 and 96:
Table 3. Actual and predicted milk
Page 97 and 98:
Usefulness of the CNCPS Model The T
Page 99 and 100:
Annual Meeting February 1998, Costa
Page 101 and 102:
Regional Consultation Meeting Octob
Page 103 and 104:
Ex-Ante Analysis of New Forage Alte
Page 105 and 106:
Resource prices and capital investm
Page 107 and 108:
Table 3. Direct production costs, g
Page 109 and 110:
Production costs decreased as produ
Page 111 and 112:
Ex-ante analysis for Nicaragua. The
Page 113 and 114:
Real interest (%) 60 50 40 30 20 10
Page 115 and 116:
With this alternative, the milk pro
Page 117 and 118:
Early Adoption of Arachis pintoi in
Page 119 and 120:
Table 2. Change in area of improved
Page 121 and 122:
Table 5. Profitability of Arachis p
Page 123 and 124:
with a dry season between May and A
Page 125 and 126:
From 21% to 73% of the farmers grew
Page 127 and 128:
Research Recommendations Based on r
Page 129 and 130:
Materials and Methods Data for this
Page 131 and 132:
Prices of Inputs/Outputs and Use of
Page 133 and 134:
Table 3. Amount of feed supplements
Page 135 and 136:
adoption level requires the lowest
Page 137 and 138:
Table 6. Use of a simulation model
Page 139 and 140:
The production cost/kg milk was low
Page 141 and 142:
level of adoption can be regarded a
Page 143 and 144:
income was lower or equal to 6 mont
Page 145 and 146:
Table 10. Annual seed requirements
Page 147 and 148:
Nicaragua. In addition, this level
Page 149 and 150:
Analysis of the Milk Market of Smal
Page 151 and 152:
Results and Discussion Collection o
Page 153 and 154:
Table 2. Characteristics of milk an
Page 155 and 156:
The third need identified in Hondur
Page 157 and 158:
artisan cheese factories milk with
Page 159 and 160:
Tropileche Newsletter Federico Holm
Page 161 and 162:
Tropileche on Internet Anderson Med
Page 163 and 164:
Production of Brochures for Extensi
Page 165 and 166:
with heavy soils and frequent rains
Page 167 and 168:
systems, its use by ruminants can b
Page 169 and 170:
Brachiaria brizantha CIAT 26110: Cu
Page 171 and 172:
growing this cultivar in Costa Rica
Page 173 and 174:
Technical bulletins Argel, P. J. an
Page 175 and 176:
International Seminars Argel, P. J.
Page 177 and 178:
LIST OF PROJECT PROPOSALS DEVELOPED
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