BIological Productivity of Sheep and Goats under Agro-pastoral Systems in Zamfara Grazing Reserve of Northwestern Nigeria

Table of Contents

1 INTRODUCTION

1.1 JUSTIFICATION OF STUDY

1.2 OBJECTIVES

1.3 STUDY PLAN

2 REVIEW OF LITERATURE

2.1 SYSTEMS OF SHEEP AND GOAT PRODUCTION IN THE SAVANNAH ZONE OF NIGERIA

2.1.1 Village systems

2.1.2 Pastoral systems

2.1.3 Breeds of sheep and goats

2.1.4 Sources and ownership of stock

2.1.5 Flock size and structure

2.2 HUSBANDRY PRACTICES

2.2.1 Stock housing

2.2.2 Stock grazing and watering

2.2.3 Supplementary feeding

2.2.4 Breeding and other routine husbandry practices

2.3 PRODUCTION PERFORMANCE OF SHEEP AND GOATS

2.3.1 Reproduction

2.3.2 Lamb and kid mortality

2.3.3 Growth

2.4 DISEASES AND PESTS OF SHEEP AND GOATS IN THE SAVANNAH ZONE OF NIGERIA

2.5 STOCK OFFTAKE AND DISPOSAL

2.6 MEASUREMENT OF BIOLOGICAL PRODUCTIVITY IN SHEEP AND GOATS

2.6.1 Individual production traits

2.6.2 Annual reproduction rate (ARR)

2.6.3 Productivity indices

2.7 CONSTRAINTS TO SHEEP AND GOAT PRODUCTION IN THE SAVANNAH ZONE OF NIGERIA

2.8 RAPID RURAL APPRAISAL (RRA) RESEARCH METHODS

2.8.1 Applications of RRA methods in pastoral studies

2.8.2 Limitations of RRA methods

2.9 Summary and research gaps

3 THE STUDY SITE

3.1 LOCATION AND HISTORY

3.2 ECOLOGY

3.3 TARGET GROUPS

4 DIAGNOSTIC SURVEY

4.1 OBJECTIVES

4.2 SURVEY VILLAGES

4.3 INTERVIEW TECHNIQUE AND ANALYSIS OF INFORMATION

4.4 RESULTS AND DISCUSSION

4.4.1 Survey respondents

4.4.2 Reasons for keeping sheep and goats

4.4.3 Sources of foundation stock

4.4.4 Patterns of stock ownership

4.4.5 Breeds of sheep and goats kept

4.4.6 Flock size and structure

4.4.7 Ownership of other domestic animals

4.4.8 Husbandry practices

4.4.9 Some indicators of stock performance

4.4.10 Offtake and disposal of stock

4.4.11 Constraints to sheep and goat production

4.4.12 Prospects for sheep and goat keeping

4.5 SUMMARY AND CONCLUSION

5 PERFORMANCE OF TRADITIONALLY-MANAGED FLOCKS

5.1 OBJECTIVES

5.2 METHODOLOGY

5.2.1 Progeny history technique (PHT)

5.2.2 Assessment of current flock condition

5.2.3 Grazing system

5.3 STATISTICAL ANALYSES

5.3.1 Breeding history data

5.3.2 Flock condition assessment data

5.4 RESULTS AND DISCUSSION

5.4.1 Grazing system

5.4.1.1 Shepherds

5.4.1.2 Grazing practices

5.4.1.3 Forage species consumed by sheep and goats

5.4.1.4 Watering sources for stock

5.4.1.5 Problems and prospects

5.4.2 Fertility estimated from the progeny history data

5.4.2.1 Age of ewes and does

5.4.2.2 Age at first parturition

5.4.2.3 Litter size at parturition

5.4.2.4 Survival rate of litters from birth to weaning

5.4.2.5 Parturition interval

5.4.2.6 Annual reproduction rate (ARR)

5.4.3 Assessment of current flock condition

5.4.3.1 Body weights of lambs at weaning and at one year

5.4.3.2 Body weights of kids at weaning and at one year

5.4.3.3 Body weights of ewes and does at different ages

5.4.4 Correlations and regressions between body weights and size measurements in lambs and kids at different ages

5.4.5 Correlations and regressions between body weights and size measurements in ewes and does at different ages

5.5 SUMMARY AND CONCLUSION

6 PERFORMANCE OF UDA FLOCK (ON-STATION)

6.1 OBJECTIVES

6.2 HISTORY OF STUDY FLOCK

6.3 MANAGEMENT OF STUDY FLOCK

6.4 COLLECTION OF DATA

6.5 STATISTICAL ANALYSES

6.5.1 Reproduction data

6.5.2 Growth data

6.5.3 Post-weaning survival rate of lambs

6.5.4 Stock productivity

6.6 RESULTS AND DISCUSSION

6.6.1 Reproduction

6.6.1.1 Age at first lambing

6.6.1.2 Litter size at lambing and weaning

6.6.1.3 Litter weight at lambing and weaning

6.6.1.4 Survival rate of litters from birth to weaning

6.6.1.5 Survival rate of lambs from weaning to one year of age

6.6.1.6 Lambing interval

6.6.1.7 Post-partum body weights of ewes

6.6.2 Growth of offspring

6.6.2.1 Body weights of lambs at birth, weaning and one year

6.6.2.2 Pre- and post-weaning growth rates

6.6.3 Correlations and regressions between body weights and size measurements of lambs at different ages

6.6.4 Stock productivity

6.6.4.1 Annual reproduction rate (ARR)

6.6.4.2 Productivity indices

6.7 SUMMARY AND CONCLUSION

7 GENERAL DISCUSSION

8 GENERAL CONCLUSION

9 SUMMARY

9.1 DIAGNOSTIC SURVEY

9.2 PERFORMANCE OF TRADITIONALLY-MANAGED FLOCKS

9.3 PERFORMANCE OF UDA FLOCK (ON-STATION)

10 ZUSAMMENFASSUNG

10.1 DIAGNOSTISCHE STUDIE

10.2 PRODUKTIONSLEITUNGEN VON TRADITIONELLEN GEHALTETEN SCHAF- UND ZIEGENHERDEN

10.3 PRODUKTIONSLEITUNGEN VON STATION-GEHALTETEN UDASCHAFEN

Objectives and Topics

The primary objective of this dissertation is the on-farm characterization of the biological productivity of sheep and goats within the Zamfara Reserve in Northwest Nigeria. The study aims to analyze husbandry practices and quantify reproductive and growth performance metrics to provide a scientific basis for sustainable stock management in this agro-pastoral region.

• Analysis of traditional husbandry, grazing systems, and stock management practices.
• Evaluation of reproductive performance, including age at first parturition, litter size, and birth rates.
• Characterization of growth potential, weaning weights, and pre- and post-weaning growth rates.
• Assessment of biological productivity through established productivity indices and progeny history techniques.
• Identification of production constraints, such as feed shortages, diseases, and parasites.

Book Excerpt

Summary of Chapters

1 INTRODUCTION: Outlines the importance of sheep and goats in Nigerian farming systems and justifies the need for studying their productivity in traditional environments.

2 REVIEW OF LITERATURE: Examines existing knowledge on production systems, husbandry practices, reproductive performance, and methods for measuring biological productivity in small ruminants.

3 THE STUDY SITE: Describes the ecological, historical, and demographic characteristics of the Zamfara Reserve where the research was conducted.

4 DIAGNOSTIC SURVEY: Presents results from a diagnostic study of local farmers, focusing on motives for ownership, husbandry, stock offtake, and perceived production constraints.

5 PERFORMANCE OF TRADITIONALLY-MANAGED FLOCKS: Details the methodologies and results regarding reproductive and growth performance of flocks under traditional management using the progeny history technique.

6 PERFORMANCE OF UDA FLOCK (ON-STATION): Provides a comparative assessment of the Uda sheep breed under controlled station management.

7 GENERAL DISCUSSION: Synthesizes the findings, discussing the implications of traditional management systems versus on-station potential.

8 GENERAL CONCLUSION: Summarizes the key research findings and provides recommendations for policy and sustainable livestock development in the region.

Keywords

Zamfara Reserve, Nigeria, sheep productivity, goat productivity, husbandry practices, reproductive performance, growth rates, Uda sheep, Yankasa sheep, Sahel goats, Sokoto Red goats, traditional management, progeny history technique, RRA, semi-arid eco-climatic zone.

Frequently Asked Questions

What is the core focus of this research?

The research focuses on characterizing the biological productivity of sheep and goats in the Zamfara Reserve, Nigeria, assessing how traditional and on-station management systems affect their performance.

What are the primary themes investigated?

The study examines livestock husbandry practices, reproductive traits (e.g., litter size, parturition intervals), growth rates, mortality, and various environmental or management constraints such as feed availability and disease.

What represents the primary research goal?

The main objective is to establish a scientific foundation for improving sustainable productivity and stock management for rural households in the semi-arid northern region of Nigeria.

Which scientific methods were employed?

The study utilizes a combination of diagnostic surveys, the progeny history technique (PHT) for assessing flock productivity, and least-squares (LS) statistical analysis to identify significant performance drivers.

What does the main body cover?

The main body compares data from a diagnostic survey, assessments of traditionally managed village flocks, and performance monitoring of an on-station Uda sheep flock.

Which keywords characterize this work?

Key terms include Zamfara Reserve, small ruminant productivity, traditional management, reproductive performance, and growth metrics for native Nigerian breeds.

How does progeny history (PHT) help in this study?

The PHT allows researchers to quickly reconstruct the life history and performance of breeding females, providing cost-effective data on fertility, mortality, and offtake in smallholder settings.

Why is the productivity of the Uda sheep on-station analyzed?

The station-managed Uda flock serves as a control or benchmark to evaluate the production potential of this breed, allowing researchers to determine if farmers' selection of Yankasa sheep versus Uda is based on rational performance differences.