Animal Production and Health Division

LDPS2 User's Guide

by Louis-Gilles Lalonde
and Takuo Sukigara

Food and Agriculture of the United Nations
November, 1997


Table of Contents


How this guide is organized


What is LDPS2?


Finding help

1. First time through

2. Working with LDPS2

2.1 Introduction

2.2 Setting Parameters and Labels

2.3 Demand-driven routine

2.4 Herd Growth routine

2.5 Sensitivity analysis

2.6 Saving your work

2.7 Printing results

3. Problem solving

3.1 Cautions when using LDPS2 in a planning environment

3.2 Common problems

4. Case study: China

4.1 Current situation of livestock production in China

4.2 A scenario for growth of livestock production toward 2005

4.3 Livestock production in 2005

4.4 Summary

Appendix A: Parameters sets

Appendix B: Case study: China


LDPS2 User's Guide List of Figures

Figure 1: Tour Map of LDPS2 in the "Welcome" sheet

Figure 2: Sheet tabs of LDPS2

Figure 3: Sheet "Labels"

Figure 4: Sheet "Parameters"

Figure 5: Sheet "Resources"

Figure 6: The Feed Utilization Matrix section of Sheet "Resources"

Figure 7: Sheet "Results"

Figure 8: Sheet "Sensitivity"

Figure 9: Parameters sheet

Figure 10: Cattle systems logical flowchart

Figure 11: Poultry system logical flowchart

Figure 12: Systems specific LSUs of the various animal systems and classes

Figure 13: Sheet "Resources" of LDPS2

Figure 14: Feed Utilization Matrix (FUM) of LDPS2

Figure 15: Results for "Dairy cattle, System 1"

Figure 16: Manure production per class, dairy cattle, in tons per year

Figure 17: Flows of animals in the Herd Growth Routine

Figure 18: Input table for imports and exports of live animals

Figure 19: Herd Growth results sheet

Figure 20: Sensitivity analysis

Figure 21: Agro-ecological zones in China

Figure 22: Feed utilization matrix

Figure 23: Feed energy supply

LDPS2 User's Guide List of Tables

Table 1: LDPS2 sheets

Table 2: Animal systems of LDPS2

Table 3: Products per animal type

Table 4: Parameters for draught calculation

Table 5: System Specific LSUs

Table 6: Representative values of metabolic energy content

Table 7: Representative values of metabolic energy content

Table 8: Representative values of metabolic energy content

Table 9: Results per animal systems

Table 10: Solution to common problems

Table 11: Livestock production systems in China

Table 12: Demand for livestock products in 1995

Table 13: Inventory of yellow cattle (1000 heads)

Table 14: Inventory of sheep (1000 heads)

Table 15: Pork production in China in 1995(1000 heads)

Table 16: Chicken meat and egg production figured by LDPS2 in 1995

Table 17: Livestock production in 2005 and 1995

Table 18: Assumed improvements in productivity (maximum and minimum)


AGA Animal Production and Health Division, Agriculture Department of FAO
CF Crude Fibre
CME metabolisable energy required for maintaining the breeding female for one year
CP Crude Protein
DCP Digestible Crude Protein
DLP Dermal Loss requirements of Protein
DM Dry matter
EUP Endogenous Urinary Requirements of protein
FAO Food and Agriculture Organization, Rome
FAOSTAT on-line/multilingual database of the Food and Agriculture Organization
FUM Feed Utilization Matrix
GDP Gross Domestic Product
gr gram
ha hectare
IFPRI International Food Policy Research Institute
kg kilogram
LDPS Livestock Development Planning System
LSU, LSUs Livestock Standard Unit(s)
LW average liveweight
Mcal Mega Calorie (energy)
ME Metabolisable Energy
MEP Metabolisable Energy for milk Production
mill millions
MJ Mega Joule (energy)
OECF Overseas Economic Cooperation Fund
PFP additional protein requirement for pregnant female breeder
RAM Random Access Memory
RDP Rumen Degradable Protein
rLSU Reference Livestock Standard Unit
sLSU System Specific Livestock Standard Unit
TP Tissue Protein retention
UDP rumen undegradable protein
USDA United States Department of Agriculture
WAICENT World Agricultural Information Centre of the Food and Agriculture Organization