Biological productivity of sheep and goats under agro-silvo-pastoral systems in the Zamfara Reserve in north-western Nigeria:
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Göttingen
Cuvillier
2000
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| Ausgabe: | 1. Aufl. |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Zugl.: Gießen, Univ., Diss., 2000 |
| Beschreibung: | XX, 259 S. graph. Darst. |
| ISBN: | 3897128047 |
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MARC
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| 100 | 1 | |a Hassan, Waheed Akinola |d 1957- |e Verfasser |0 (DE-588)121960048 |4 aut | |
| 245 | 1 | 0 | |a Biological productivity of sheep and goats under agro-silvo-pastoral systems in the Zamfara Reserve in north-western Nigeria |c eingereicht von Waheed Akinola Hassan |
| 250 | |a 1. Aufl. | ||
| 264 | 1 | |a Göttingen |b Cuvillier |c 2000 | |
| 300 | |a XX, 259 S. |b graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 500 | |a Zugl.: Gießen, Univ., Diss., 2000 | ||
| 650 | 7 | |a Nachhaltigkeit |2 swd | |
| 650 | 7 | |a Schafhaltung |2 swd | |
| 650 | 7 | |a Ziegenhaltung |2 swd | |
| 650 | 4 | |a Agricultural systems |z Nigeria |z Zamfara (State) | |
| 650 | 4 | |a Goats |x Productivity |z Nigeria |z Zamfara (State) | |
| 650 | 4 | |a Sheep |x Productivity |z Nigeria |z Zamfara (State) | |
| 651 | 7 | |a Zamfara-Forstschutzgebiet |2 swd | |
| 655 | 7 | |0 (DE-588)4113937-9 |a Hochschulschrift |2 gnd-content | |
| 856 | 4 | 2 | |m HBZ Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=008939814&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 999 | |a oai:aleph.bib-bvb.de:BVB01-008939814 | ||
Datensatz im Suchindex
| _version_ | 1804127820915408896 |
|---|---|
| adam_text | Titel: Biological productivity of sheep and goats under agro-silvo-pastoral systems in the Zamfara Reserve
Autor: Hassan, Waheed Akinola
Jahr: 2000
iv Table of contents
TABLE OF CONTENTS
Item Title Page
1 Table of contents iv
II List of tables ix
III List of figures xiv
IV List of appendices XV
V Acronyms and abbreviations xix
VI Symbols and units XX
1 INTRODUCTION 1
1.1 JUSTIFICATION OF STUDY 1
1.2 OBJECTIVES 3
1.3 STUDY PLAN 3
2 REVIEW OF LITERATURE 4
2.1 SYSTEMS OF SHEEP AND GOAT PRODUCTION IN THE
SAVANNAH ZONE OF NIGERIA 4
2.1.1 Village systems 4
2.1.2 Pastoral systems 6
2.1.3 Breeds of sheep and goats 8
2.1.4 Sources and ownership of stock 10
2.1.5 Flock size and structure 10
2.2 HUSBANDRY PRACTICES 12
2.2.1 Stock housing 12
2.2.2 Stock grazing and watering 12
2.2.3 Supplementary feeding 13
2.2.4 Breeding and other routine husbandry practices 14
2.3 PRODUCTION PERFORMANCE OF SHEEP AND GOATS 14
2.3.1 Reproduction 15
23.2 Lamb and kid mortality 19
2.3.3 Growth 23
2.4 DISEASES AND PESTS OF SHEEP AND GOATS IN THE
SAVANNAH ZONE OF NIGERIA 29
2.5 CONSTRAINTS TO SHEEP AND GOAT PRODUCTION IN
THE SAVANNAH ZONE OF NIGERIA 30
Table of contents
2.6 MEASUREMENT OF BIOLOGICAL PRODUCTIVITY IN
SHEEP AND GOATS 31
2.6.1 Individual production traits 33
2.6.2 Annual reproduction rate (ARR) 33
2.6.3 Productivity indices 35
2.7 RAPID RURAL APPRAISAL (RRA) RESEARCH METHODS 44
2.7.1 Applications of RRA methods in pastoral studies 45
27.2 Limitations of RRA methods 48
28 SUMMARY AND RESEARCH GAPS 49
3 THE STUDY SITE 50
31 LOCATION AND HISTORY 5°
32 ECOLOGY 52
33 TARGET GROUPS 55
4 DIAGNOSTIC SURVEY S6
41 OBJECTIVES *
4 2 SURVEY VILLAGES x
4 3 INTERVIEW TECHNIQUE AND INFORMATION ANALYSIS 56
4 4 RESULTS AND DISCUSSION 57
4.4.1 Survey respondents 57
4 4.2 Reasons for keeping sheep and goats 61
4.4.3 Sources of foundation stock 61
4 4.4 Patterns of stock ownership 62
44.5 Breeds of sheep and goats kept
4 4.6 Flock size and structure ^
44.7 Ownership of other domestic animals ^
44.8 Husbandry practices
44 9 Some indicators of stock performance
4.4.1 o Offtake and disposal of stock 73
4 4.11 Constraints to sheep and goat production
79
4 4.12 Prospects for sheep and goat keeping
80
45 SUMMARY AND CONCLUSION
5 PERFORMANCE OF TRADITIONALLY-MANAGED FLOCKS 81
81
81
-, 81
51 OBJECTIVES
52 METHODOLOGY
vi Table of contents
5.2.1 Progeny history technique (PHT) 81
5.2.2 Assessment of current flock condition 82
5.2.3 Grazing system 83
5.3 STATISTICAL ANALYSES 84
5.3.1 Breeding history data 84
5.3.2 Flock condition assessment data 86
5.4 RESULTS AND DISCUSSION 87
5.4.1 Grazing system 87
5.4.1.1 Shepherds 87
5.4.1.2 Grazing practices 90
5.4.1.3 Forage species consumed by sheep and goats 91
5.4.1.4 Watering sources for stock 92
5.4.1.5 Problems and prospects 92
5.4.2 Fertility estimated from the progeny history data 92
5.4.2.1 Age of ewes and does 92
5.4.2.2 Age at first parturition 96
5.4.2.3 Litter size at parturition 97
5.4.2.4 Survival rate of litters from birth to weaning 104
5.4.2.5 Parturition interval 109
5.4.2.6 Annual reproduction rate (ARR) 110
5.4.3 Assessment of current flock condition 115
5.4.3.1 Body weights of lambs at weaning and at one year 115
5.4 3.2 Body weights of kids at weaning and at one year 116
5.4.3 3 Body weights of ewes and does at different ages 117
5.4 4 Correlations and regressions between body weights and size
measurements in lambs and kids at different ages 121
5.4.5 Correlations and regressions between body weights and size
measurements in ewes and does at different ages 122
5.5 SUMMARY AND CONCLUSION 124
6 PERFORMANCE OF UDA FLOCK (ON-STATION) 126
6.1 OBJECTIVES 126
6.2 HISTORY OF STUDY FLOCK 126
6.3 MANAGEMENT OF STUDY FLOCK 127
6.4 COLLECTION OF DATA 128
Table of contents vii
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 153
6.6.4 Stock productivity 155
6.6.4.1 Annual reproduction rate (ARR) 155
6.6.4.2 Productivity indices 158
6.7 SUMMARY AND CONCLUSION 159
7 GENERAL DISCUSSION 161
8 GENERAL CONCLUSION 165
9 SUMMARY 167
9.1 DIAGNOSTIC SURVEY 167
9.2 PERFORMANCE OF TRADITIONALLY-MANAGED FLOCKS 168
9.3 PERFORMANCE OF UDA FLOCK (ON-STATION) 172
10 ZUSAMMENFASSUNG 176
10.1 DIAGNOSESTUDIE 176
10 2 LEISTUNGEN DER TRADITIONELL GEMANAGTEN
HERDEN 178
10.3 LEISTUNGEN DER UDA-SCHAFHERDE (AUF STATION) 182
viii Table of contents
11 BIBLIOGRAPHY 187
12 APPENDICES 198
List of tables
LIST OF TABLES
Table Title Page
1 Population (xiO3) and density of sheep and goats in Nigeria by
eco-climatic zones 2
2 Age at first parturition (months) in some Nigerian breeds of sheep
and goats and other related breeds 17
3 Litter size at parturition in some Nigerian breeds of sheep
and goats and other related breeds 18
4 Parturition interval (days) in some Nigerian breeds of sheep
and goats and other related breeds 20
5 Pre-and post-weaning mortality rates (%) in some Nigerian breeds
of sheep and goats and other related breeds 21
6 Birth weights (kg) in some Nigerian breeds of sheep and goats 24
7 Pre-weaning growth rates (g d 1) in some Nigerian breeds of sheep
and goats and other related breeds 25
8 Weaning weights (kg) at 90 days in some Nigerian breeds of
sheep and goats 26
9 Coefficients of correlations between body weights (kg) in Uda
and Yankasa sheep 27
10 Values for ARR (no, of young born per dam per year) in some
Nigerian breeds of sheep and goats and other related breeds 34
11 Values for productivity indices I, II and III for some Nigerian
breeds of sheep and goats and other related breeds 37
12 Productivity indices for sheep and goats and the requisite
parameters 43
13 Demographic data on the survey respondents 58
14 Major crop species cultivated by the respondents with mean
values for hectarage, crop- and residue yields 60
15 Reasons for keeping sheep and goats 61
16 Sources of foundation stock 62
17 Patterns of ownership of sheep and goats 62
18 Breeds of sheep and goats kept 63
19 Mean stock holding sizes according to types of flock 64
List of tables
20 SPSS analysis of variance for effects of type of flock and location
of respondent on flock size 64
21 Relative distribution of stock holding sizes (sheep and goats) 65
22 Composition of the respondents flocks according to age and sex 66
23 Mean holding sizes of the other domestic animals kept in the
respondents households 66
24 Shelter patterns for sheep and goats in the study villages 67
25 Sources of forage for stock 67
26 Grazing schedule for sheep and goats 69
27 Common feed supplements offered to sheep and goats 69
28 Available multi-purpose tree species on the respondents farms 70
29 Watering of sheep and goats 71
30 Some performance characteristics of sheep and goats as
perceived by the respondents 72
31 Estimates for some reproduction parameters of sheep and
goats as assessed by the respondents 73
32 Frequencies of litter size at parturition in sheep and goats as
assessed by the respondents 73
33 Offtake and disposal of stock by the respondents 74
34 Mean size of stock offtake by the respondents in the year
preceding the survey 75
35 Mean numbers of sheep and goats sold by the respondents in the
year preceding the survey 76
36 Markets for sale of sheep and goats in the study area 76
37 Average prices (N) of sheep and goats in the study area 77
38 Average revenue from sales of sheep and goats by the respondents
in the year preceding the survey 77
39 Past and present constraints to sheep and goat production in the
study villages 78
40 Common diseases of sheep and goats in the study villages 79
41 Common parasites of sheep and goats in the study villages 79
42 Expected changes in sheep and goat keeping in the study area 80
43 Demographic data on the study shepherds 89
List of tables xi
44 Frequencies, means, standard errors, minimum and maximum
values for ages of ewes and does (months) for different dam groups 94
45 LS analysis of variance for age at first parturition (months) 97
46 LS means and standard errors for effects of interaction between
location and type of flock on age at first lambing (months) 98
47 LS analysis of variance for litter size at parturition 99
48 LS means and standard errors for effects of interaction between
location of flock and breed of ewe on litter size at lambing 100
49 LS means and standard errors for effects of interaction between
parity of ewe and location of flock on litter size at lambing 101
50 LS means and standard errors for effects of interaction between
location and type of flock on litter size at lambing 102
51 LS means and standard errors for effects of interaction between
location and type of flock on litter size at kidding 102
52 LS means and standard errors for effects of interaction between
parity of doe and location of flock on litter size at kidding 103
53 LS analysis of variance for litter size at parturition (including the
effects of season and year of parturition) 104
54 LS analysis of variance for survival rates of litters from birth to
weaning 105
55 LS analysis of variance for survival rates of litters from birth to
weaning (including the effects of season and year of parturition) 106
56 LS means and standard errors for effects of interaction between
location and type of flock on survival rate of lambs from birth to
weaning 108
57 LS means and standard errors for effects of interaction between
location and type of flock on survival rate of kids from birth to
weaning 108
58 LS analysis of variance for mean parturition interval (months) 109
59 LS analysis of variance for annual reproduction rate expressed
as the number of young bom per dam per year 111
60 LS analysis of variance for annual reproduction rate expressed
as the number of young weaned per dam per year 113
xii List of tables
61 LS means and standard errors for effects of interaction between
location and type of flock on the number of lambs weaned per
ewe per year 114
62 LS analysis of variance for body weights of lambs (kg) at weaning
and at one year 116
63 LS analysis of variance for body weights of kids (kg) at weaning
and at one year 117
64 LS analysis of variance for body weights of ewes (kg) at different
ages 119
65 LS analysis of variance for body weights of does (kg) at different
ages 119
66 Coefficients of correlations between body weights and size
measurements in lambs and kids at weaning and at one year 121
67 Coefficients of correlations between body size measurements in
lambs and kids at weaning and at one year 122
68 Coefficients of multiple regressions of body weights on size
measurements (BL, HW, HG) of lambs and kids at weaning and
at one year 122
69 Coefficients of correlations between body weight and size
measurements in ewes and does at different ages 123
70 Coefficients of correlations between size measurements in
ewes and does at different ages 123
71 Coefficients of multiple regressions of body weights on size
measurements (BL, HW, HG) of ewes and does at different ages 124
72 Mating and lambing schedules in the Uda flock 128
73 LS analysis of variance for age at first lambing (days) 134
74 LS anafysis of variance for litter size at lambing and weaning 134
75 LS analysis of variance for litter weights at lambing and
weaning (kg) 137
76 LS means and standard errors for effects of interaction
between parity of ewe and litter size on litter birth weight (kg) 139
77 LS analysis of variance for survival rate of litters from birth to
weaning 140
Ust of tables
78 LS analysis of variance for survival rate of lambs from weaning
to one year of age 142
79 LS means and standard errors for effects of interaction between
parity of ewe and sex of lamb on survival rates of lambs from
weaning to one year of age 143
80 LS means and standard errors for effects of interaction between
season of lambing and sex of lamb on survival rates of lambs from
weaning to one year of age 143
81 LS analysis of variance for lambing interval (days) 144
82 LS analysis of variance for post-partum body weight of ewes (kg) 145
83 LS analysis of variance for body weight of lambs (kg) at different
ages 147
84 LS analysis of variance for growth rates of lambs (g d 1) at the pre-
and post-weaning growth stages 152
85 Coefficients of correlations (Pearson s) between the body weights
of lambs (kg) at different ages 154
86 Coefficients of correlations (Pearson s) between the body weights
(kg) and size measurements (cm) of lambs at the pre- and
post-weaning stages 154
87 Coefficients of partial regressions of body weights of lambs (kg)
at different ages 155
88 Coefficients of partial and multiple regressions of body weights
on size measurements of lambs up to one year of age 155
89 LS analysis of variance for annual reproduction rate (no. of lambs
born and weaned per ewe per year) 157
90 LS analysis of variance for values of productivity indices I, II and III 160
xiv List of figures
LIST OF FIGURES
Figure Title Page
1 Map of the Zamfara Reserve showing the study locations 51
2 Mean maximal temperature, amount and distribution of rainfall in
the study region (1991 - 1996) 53
3 Rainfall pattern (mm) in Zamfara (1994 - 1996) 54
4 Frequency distribution of the study ewes according to their ages
(months) 95
5 Frequency distribution of the study does according to their ages
(months) 95
6 Variation in litter size at parturition due to the effect of parity of
dam 99
7 Deviations from the mean litter size at parturition due to the
effect of year of parturition 104
8 Deviations from the mean survival rate of litters from birth to
weaning due to the effect of parity of dam 107
9 Variation in mean parturition interval (months) due to the effect
of number of parturitions of dam 110
10 Deviations from the mean number of young born per dam per
year due to the effect of number of parturitions of dam 111
11 Variation in the bodyweights of the study ewes with their ages 120
12 Variation in the bodyweights of the study does with their ages 120
13 Monthly distribution of lambings in the Uda flock 133
14 Growth of Uda lambs from birth to one year of age 153
Ust of appendices xv
LIST OF APPENDICES
App. Title Page
1 Checklist for the diagnostic survey of village sheep and goats
in the Zamfara Reserve, Northwest, Nigeria 198
2 Demographic data on the survey respondents 203
3 Coefficients of correlations (r) between age, experience and
household size of the respondents 204
4 SPSS analysis of variance for effects of location of respondents
on the demographic parameters of the respondents 204
5 Crop species cultivated by the respondents 205
6 Mean hectarages for major crops cultivated by the respondents in
the year preceding the survey 205
7 Mean crop yields harvested by the respondents in the year
preceding the survey (bundles / bags) 206
8 Mean yields of crop residue harvested by the respondents in
the year preceding the survey 206
9 Reasons for keeping sheep and goats 207
10 Sources of foundation stock 207
11 Patterns of ownership of sheep and goats 208
12 Breeds of sheep and goats kept 208
13 Mean stock holding sizes according to the types of flock 209
14 Mean holding sizes for sheep and goats in the mixed flocks 209
15 Relative distribution of stock holding sizes for sheep and goats 210
16 Composition of respondents flocks according to age and sex 211
17 Mean holding sizes of the other domestic animals kept in the
households of the respondents 212
18 Shelter patterns for sheep and goats in the study villages 212
19 Sources of forage for stock 213
20 Grazing schedule for sheep and goats 213
21 Common forage species preferred by sheep and goats 214
22 Common forage species disliked by sheep and goats 215
23 Common forage species rejected by sheep and goats 216
24 Common feed supplements offered to sheep and goats 217
xvi List of appendices
25 Available multi-purpose tree species on the respondents farms 218
26 Watering of sheep and goats 219
27 Some performance characteristics of sheep and goats as
perceived by the respondents 220
28 Estimates for some reproduction parameters of sheep and goats
as assessed by the respondents 221
29 Frequencies of litter size at parturition in sheep and goats as
assessed by the respondents 222
30 Offtake and disposal of stock by the respondents 223
31 Mean sizes of stock offtake by the respondents in the year
preceding the survey 224
32 Mean numbers of sheep and goats sold by the respondents in the
year preceding the survey 224
33 Average prices (N) of sheep and goats in the study area in the
year preceding the survey 225
34 Average revenue (N) from sales of sheep and goats by the
respondents in the year preceding the survey 225
35 Past and present constraints to sheep and goat production in the
study villages 226
36 Common diseases of sheep and goats in the study villages 227
37 Common parasites of sheep and goats in the study villages 227
38 Checklist for collection of the progeny history data 228
39 Distribution of the study flocks according to study villages 230
40 Fates of progeny of the study breeding animals 230
41 Checklist for shepherd s record and grazing practices 231
42 Frequency distribution of parturitions by the study ewes and does 233
43 Summary of breeding histories of the study animals 234
44 LS means and standard errors for age at first parturition (months) 234
45 LS means and standard errors for litter size at parturition 235
46 LS means and standard errors for litter size at parturition
(including the effects of season and year of parturition) 236
47 LS means and standard errors for survival rates of litters from
birth to weaning 237
List of appendices xvii
48 LS means and standard errors for survival rates of litters from
birth to weaning (including the effects of season and year of
parturition) 238
49 LS means and standard errors for mean parturition interval
(months) 239
50 LS means and standard errors for annual reproduction rate
expressed as the number of young bom per dam per year 240
51 LS means and standard errors for annual reproduction rate
expressed as the number of young weaned per dam per year 241
52 Frequencies, means and standard errors for body weights
(kg) and size measurements (cm) of lambs from birth to one year
of age 242
53 Frequencies, means and standard errors for body weights
(kg) and size measurements (cm) of kids from birth to one year of
age 243
54 LS means and standard errors for body weights of lambs (kg) at
weaning and at one year 244
55 Cross-table for age of lambs at weaning and location of flock 245
56 LS means and standard errors for body weight of kids (kg) at
weaning and at one year 246
57 LS means and standard errors for body weights of ewes (kg)
at different ages 247
58 Cross-table for age and physiological stage of ewes at the study
locations 248
59 Cross-table for age and physiological stage of ewes according
to types of flock 248
60 LS means and standard errors for body weights of does (kg) at
different ages 249
61 Frequency distribution of lambings in the Uda flock 250
62 LS means and standard errors for age at first lambing (days) 250
63 LS means and standard errors for litter size at lambing and
weaning 251
64 Cross-table for parity of ewe and size of litter at lambing 251
xviii List of appendices
65 LS means and Standard errors for litter weights at lambing
and weaning (kg) 252
66 LS means and Standard errors for survival rates of litters from
birth to weaning 252
67 LS means and Standard errors for survival rate of lambs from
weaning to one year of age 253
68 LS means and Standard errors for lambing interval (days) 253
69 LS means and Standard errors for post-partum body weights of
ewes (kg) 254
70 LS means and Standard errors for body weights of lambs (kg) at
different ages 255
71 LS means and Standard errors for ADG of lambs (g) at pre- and
post-weaning growth stages 256
72 Means and Standard errors for age (days), BW (kg) and size
measurements (cm) of Uda lambs 257
73 LS means and Standard errors for annual reproduction rate of
ewes (no. of lambs born and weaned per ewe per year) 258
74 Cross-table for season of lambing and size of litter at lambing 258
75 LS means and Standard errors for values of productivity indices
I, II and III 259
|
| any_adam_object | 1 |
| author | Hassan, Waheed Akinola 1957- |
| author_GND | (DE-588)121960048 |
| author_facet | Hassan, Waheed Akinola 1957- |
| author_role | aut |
| author_sort | Hassan, Waheed Akinola 1957- |
| author_variant | w a h wa wah |
| building | Verbundindex |
| bvnumber | BV013121418 |
| callnumber-first | S - Agriculture |
| callnumber-label | SF375 |
| callnumber-raw | SF375.5.N6 |
| callnumber-search | SF375.5.N6 |
| callnumber-sort | SF 3375.5 N6 |
| callnumber-subject | SF - Animal Culture |
| classification_rvk | RS 45666 |
| ctrlnum | (OCoLC)45968799 (DE-599)BVBBV013121418 |
| discipline | Geographie |
| edition | 1. Aufl. |
| format | Book |
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| genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
| genre_facet | Hochschulschrift |
| geographic | Zamfara-Forstschutzgebiet swd |
| geographic_facet | Zamfara-Forstschutzgebiet |
| id | DE-604.BV013121418 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T18:39:26Z |
| institution | BVB |
| isbn | 3897128047 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-008939814 |
| oclc_num | 45968799 |
| open_access_boolean | |
| owner | DE-703 |
| owner_facet | DE-703 |
| physical | XX, 259 S. graph. Darst. |
| publishDate | 2000 |
| publishDateSearch | 2000 |
| publishDateSort | 2000 |
| publisher | Cuvillier |
| record_format | marc |
| spelling | Hassan, Waheed Akinola 1957- Verfasser (DE-588)121960048 aut Biological productivity of sheep and goats under agro-silvo-pastoral systems in the Zamfara Reserve in north-western Nigeria eingereicht von Waheed Akinola Hassan 1. Aufl. Göttingen Cuvillier 2000 XX, 259 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Zugl.: Gießen, Univ., Diss., 2000 Nachhaltigkeit swd Schafhaltung swd Ziegenhaltung swd Agricultural systems Nigeria Zamfara (State) Goats Productivity Nigeria Zamfara (State) Sheep Productivity Nigeria Zamfara (State) Zamfara-Forstschutzgebiet swd (DE-588)4113937-9 Hochschulschrift gnd-content HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=008939814&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Hassan, Waheed Akinola 1957- Biological productivity of sheep and goats under agro-silvo-pastoral systems in the Zamfara Reserve in north-western Nigeria Nachhaltigkeit swd Schafhaltung swd Ziegenhaltung swd Agricultural systems Nigeria Zamfara (State) Goats Productivity Nigeria Zamfara (State) Sheep Productivity Nigeria Zamfara (State) |
| subject_GND | (DE-588)4113937-9 |
| title | Biological productivity of sheep and goats under agro-silvo-pastoral systems in the Zamfara Reserve in north-western Nigeria |
| title_auth | Biological productivity of sheep and goats under agro-silvo-pastoral systems in the Zamfara Reserve in north-western Nigeria |
| title_exact_search | Biological productivity of sheep and goats under agro-silvo-pastoral systems in the Zamfara Reserve in north-western Nigeria |
| title_full | Biological productivity of sheep and goats under agro-silvo-pastoral systems in the Zamfara Reserve in north-western Nigeria eingereicht von Waheed Akinola Hassan |
| title_fullStr | Biological productivity of sheep and goats under agro-silvo-pastoral systems in the Zamfara Reserve in north-western Nigeria eingereicht von Waheed Akinola Hassan |
| title_full_unstemmed | Biological productivity of sheep and goats under agro-silvo-pastoral systems in the Zamfara Reserve in north-western Nigeria eingereicht von Waheed Akinola Hassan |
| title_short | Biological productivity of sheep and goats under agro-silvo-pastoral systems in the Zamfara Reserve in north-western Nigeria |
| title_sort | biological productivity of sheep and goats under agro silvo pastoral systems in the zamfara reserve in north western nigeria |
| topic | Nachhaltigkeit swd Schafhaltung swd Ziegenhaltung swd Agricultural systems Nigeria Zamfara (State) Goats Productivity Nigeria Zamfara (State) Sheep Productivity Nigeria Zamfara (State) |
| topic_facet | Nachhaltigkeit Schafhaltung Ziegenhaltung Agricultural systems Nigeria Zamfara (State) Goats Productivity Nigeria Zamfara (State) Sheep Productivity Nigeria Zamfara (State) Zamfara-Forstschutzgebiet Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=008939814&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT hassanwaheedakinola biologicalproductivityofsheepandgoatsunderagrosilvopastoralsystemsinthezamfarareserveinnorthwesternnigeria |