Assessment of genetic diversity of Zimbabwe village chicken eco-types:
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| Main Author: | |
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| Format: | Thesis Book |
| Language: | English |
| Published: |
Göttingen
Cuvillier
2007
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| Edition: | 1. Aufl. |
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | XV, 137 S. graph. Darst., Kt. 21 cm |
| ISBN: | 9783867273626 3867273626 |
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MARC
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| 100 | 1 | |a Muchadeyi, Farai Catherine |d 1977- |e Verfasser |0 (DE-588)134017145 |4 aut | |
| 245 | 1 | 0 | |a Assessment of genetic diversity of Zimbabwe village chicken eco-types |c presented by Farai Catherine Muchadeyi. [Institute of Animal Breeding and Genetics, Georg-August-Universität Göttingen] |
| 250 | |a 1. Aufl. | ||
| 259 | |a 11 | ||
| 264 | 1 | |a Göttingen |b Cuvillier |c 2007 | |
| 300 | |a XV, 137 S. |b graph. Darst., Kt. |c 21 cm | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 502 | |a Zugl.: Göttingen, Univ., Diss., 2007 | ||
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Record in the Search Index
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TABLE OF CONTENTS
DEDICATION.iii
ACKNOWLEDGEMENTS.v
TABLE OF CONTENTS.vii
LIST OF TABLES.xi
LIST OF FIGURES.xiv
LIST OF APPENDICES.xv
Chapter 1.1
Introduction and Objectives and Hypotheses.1
1.1 Introduction.2
1.2 Justification.4
1.3 Objectives.4
1.4 Hypotheses.5
Chapter 2.7
Identifying and Characterising Genetic Diversity of Extensively Raised Chicken Populations 7
2.1 Introduction.8
2.2 Objectives.8
2.3 Role of chickens in the smallholder farming sector.8
2. 4 Chicken production systems.9
2.4.1 Intensive system.10
2.4.2 Semi-intensive system.10
2.4.3 Extensive or scavenging system.11
2.5 Biodiversity and its role in chicken production systems.12
2.6 Forces that create, maintain and reduce chicken biodiversity.13
2.6.1 Drift, mutation and restricted gene flow.13
2.6.2 Natural and artificial selection and non random mating.13
2.7 Assessment of biodiversity.17
2.7.1 Phenorypic diversity.17
2.7.2 Genetic diversity.17
2.7.2.1 Microsatellites.18
2.7.2.2 Single nucleotide polymorphism (SNPs).19
2.7.2.3 Mitochondrial DNA sequences.20
2.8 Diversity measures.21
2.8.1 Within population diversity measures.21
2.8.1.1 Number of alleles.21
2.8.1.2 Gene Diversity.22
2.8.1.3 Inbreeding coefficient.22
2.8.1.4 Marker estimated kinship (MEK).23
2.8.2 Between population diversity measures.24
2.8.2.1 Wright's fixation index.24
2.8.2.2 Distance methods with biological assumptions.25
2.8.3 Clustering analysis.26
2.8.4 Nucleotide diversity measures.27
2.8.4.1 Analysis of molecular variance.27
2.8.4.2 Nucleotide distance measures.28
2.8.4.3 Networking analysis.29
2.9 Conservation of chicken genetic resources.30
2.10 Conclusion.32
Chapter 3.33
Study Design.33
3.1 Description of the agro-ecological zones in Zimbabwe.34
3.2 Sampling of households.35
3.3 Chicken populations.36
3.3.1 Zimbabwe chicken eco-types.36
3.3.2 Reference populations.37
3.4 Study layout.37
3.5 Research tools.38
Chapter 4.39
Variation in Village Chicken Production Systems Among Agro-Ecological Zones of
Zimbabwe.39
4.1 Abstract.40
4.2 Introduction.40
4.3 Materials and methods.41
4.3.1 Study Area.41
4.3.2 Sampling procedure.41
4.3.3 Questionnaire administration and participatory rural appraisals.41
4.3.4 Statistical analysis.42
4.4 Results.43
4.4.1 Household demographics and farming system.43
4.4.2 Village chicken production system.48
4.5 Discussion.51
4.6 Conclusions.54
Chapter 5.55
Choice of Breeding Stock, Preference of Production Traits of Village Chickens Among
Zimbabwe Agro-Ecological Zones.55
5.1 Abstract.56
5.2 Introduction.56
5.3 Materials and methods.58
5.3.1 Study site.58
5.3.2 Questionnaire administration.58
5.3.3 Statistical analysis.58
viii
5.4 Results.59
5.4.1 Chickenstrains.59
5.4.2 Choice of breeding stock.61
5.4.3 Ranking of production traits.63
5.4.4 Culling of male and female chickens.64
5.5 Discussion.66
Chapter 6.71
Absence of Population Sub Structuring in the Zimbabwe Chicken Eco-Types Inferred Using
Microsatellite Analysis.71
6.1 Summary.72
6.2 Introduction.72
6.3 Material and methods.73
6.3.1 Zimbabwe eco-types.73
6.3.2 Reference populations.74
6.3.3 Collection of blood samples and DNA isolation.75
6.3.4 DNA polymorphism.75
6.4 Statistical analyses.75
6.4.1 Marker polymorphism and within population diversity.75
6.4.2 Among population diversity.76
6.4.3 Assignment of individuals to populations.76
6.5 Results.77
6.5.1 Marker polymorphism, within and among population diversity.77
6.5.2 Pairwise genetic distances.80
6.5.3 Cluster analysis.81
6.5.4 Marker estimated kinships.82
6.6 Discussion.83
Chapter 7.87
Genetic Diversity and Phylogeographic Structure of the Zimbabwe Chicken Eco-Types
Investigated Using Mitochondrial DNA D-Loop Sequences.87
7.1 Summary.88
7.2 Introduction.88
7.3 Materials and methods.89
7.3.1 Chicken populations.89
7.3.1.1 Zimbabwe eco-types.89
7.3.1.2 Reference populations.90
7.3.2 mtDNA amplification and sequencing.90
7.4 Statistical analysis.91
7.4.1 Sequence variation and haplotype diversity.9!
7.4.2 Within population diversity.91
7.4.3 Determination of population structure using AMOVA.91
7.4.4 Network analysis of haplotypes.91
7.5 Results.92
7.5.1 Sequence variation and haplotype distribution.92
ix
7.5.2 Within population diversity.92
7.5.3 Population structure.94
7.5.4 Network analysis.95
7.5.5 Within and between clade diversity.97
7.6 Discussion.98
Chapter 8.101
General Discussion.101
8.1 General discussion.102
8.2 Conclusions.109
8.3 Implications and recommendations.109
SUMMARY.113
REFERENCES:.117
APPENDICES.131
CURRICULUM VITAE.137
LIST OF TABLES:
Table 2.1: Factors accelerating the erosion of livestock biodiversity
.15
Table 3.1: The rainfall, temperature and farming systems of each agro-
ecological region.34
Table 4.1: Frequencies of households in the five agro-ecological zones
depending on livestock, crops, home industries, salaries and /or
remittances for income.44
Table 4.2: Mean ranks (SD) attached to the different sources of income (1 =
most important- up to 6 = least important) and significance
levels based Kruskal-Wallis test.45
Table 4.3: Least square means (standard error) of household land holdings
and number of livestock and crop species produced across the
five agro-ecological zones.45
Table 4.4: Least square means (standard error) of herd and flock sizes of
livestock species reared and hectares of crops produced by
households across the five eco-zones.47
Table 4.5: Least square means (Standard error) of chicken flock sizes and
composition in the 5 eco-zones.47
Table 4.6: Mean ranks (SD) of chickens and other livestock species (1 =
most important up to 7 = least important) across agro-ecological
zones and significant levels according to Kruskal-Wallis test.48
Table 4.7: The odds ratio estimates, lower and upper 95% confidence
interval (CD) of ranking chickens first in households without
cattle, goats and other livestock species compared to those
owning these species and in eco-zone V compared to eco-zones I
-IV.49
Table 4.8: Mean ranks (SD) of the uses of chickens (1 = most important -
upto 7 = least important) across eco-zones and significance level
based on Kruskal-Wallis test.50
Table 4.9: Least square means (standard error) of the number of perceived
threats and opportunities to chicken production across agro
ecological zones.51
Table 5.1: Mean ± standard deviation of the number of mature chickens of
different strains per household in the five agro-ecological zones
(Eco-zone I - V).60
Table 5.2: Variation in the preferred chicken strains for different production
and morphological traits by farmers from the five agro ecological
zones.61
Table 5.3: Mean ranks (SD) of factors used in the choice of breeding stock
(with 1 = major determinant and 8 = least important) among eco-
zones and significant levels according to Kruskal-WaJlis test.63
Table 5.4: Mean ranks (SD) of preferences for production traits (with 1 =
most preferred and 6 = least preferred) among eco-zones (Eco-
zone) and significant levels according to Kruskal-Wallis test.64
Table 5.5: Least square means (SE) of the number of culling criteria in male
and female chickens across the eco-zones.64
Table 5.6: Mean rank sums (SD) [with 1 = most important down to 4 =
least important] classified by culling criteria in male and female
chickens.65
Table 6.1: Observed allele size ranges and number of alleles in the all
populations and the number and frequency of alleles unique to the
Zimbabwe eco-types.78
Table 6.2: Mean number of alleies per locus, number of unique alleles,
expected (He) and observed (H,) heterozygosity and inbreeding
coefficient (FB) per population.79
Table 6.3: Overall population (Fit), between populations (FSt) and within
population (Fg) inbreeding coefficients of the Zimbabwe, African
(Malawi, Sudan and Zimbabwe) and purebred populations.80
Table 6.4: Mean Nei's standard genetic distances, pairwise Fst and marker
estimated kinships (MEK) within and between the Zimbabwe five
eco-types, Malawi and Sudanese chickens and purebred lines.81
Table 7.1: Distribution of mtDNA D-loop haplotypes in five Zimbabwe
chicken eco-types, Malawi and Sudanese chickens and six
purebred lines.93
Table 7.2: Number of polymorphic sites, number of mtDNA D-loop
haplotypes and haplotype diversity of chickens populations from
five Zimbabwe eco-types, Malawi, Sudan and six purebred lines
.94
Table 7.3: Partition of mtDNA D-loop variance within and between five
Zimbabwe eco-types, seven African chicken populations (five
Zimbabwe eco-types, Malawi and Sudan) and six purebred lines
and the level of population substructuring (Fst).94
Table 7.4: The number of individuals per population, total number of
haplotypes and haplorype diversity of the 3 mtDNA D-loop
clades in Figure 1.97
LIST OF FIGURES:
Figure 3.1: Map of Zimbabwe showing the selected districts.35
Figure 5.1: Frequencies of households using the different culling criteria in the five eco-zones
(I-V).65
Figure 6.1: STRUCTURE clustering of Zimbabwe chicken eco-types in reference to the
extensively raised Malawi and Sudanese chickens and purebred broiler, white and brown
egg layers.82
Figure 6.2: Neighbour-Joining tree derived from marker estimated kinships.83
Figure 7.1: Median Network profile of the 32 mtDNA D-loop haplotypes observed in the five
Zimbabwe eco-types, Malawi and Sudanese chickens and six purebred lines. 96
LIST OF APPENDICES:
Appendix 1: Questionnaire to build an understanding on the environment housing the village
chickens, the existing phenotypes and the fanners' management practises and perceived
attributes of the phenotypes.131
Appendix 3: Questionnaire to record phenotypic description of the chickens sampled for
DNA analysis.136 |
| adam_txt |
TABLE OF CONTENTS
DEDICATION.iii
ACKNOWLEDGEMENTS.v
TABLE OF CONTENTS.vii
LIST OF TABLES.xi
LIST OF FIGURES.xiv
LIST OF APPENDICES.xv
Chapter 1.1
Introduction and Objectives and Hypotheses.1
1.1 Introduction.2
1.2 Justification.4
1.3 Objectives.4
1.4 Hypotheses.5
Chapter 2.7
Identifying and Characterising Genetic Diversity of Extensively Raised Chicken Populations 7
2.1 Introduction.8
2.2 Objectives.8
2.3 Role of chickens in the smallholder farming sector.8
2. 4 Chicken production systems.9
2.4.1 Intensive system.10
2.4.2 Semi-intensive system.10
2.4.3 Extensive or scavenging system.11
2.5 Biodiversity and its role in chicken production systems.12
2.6 Forces that create, maintain and reduce chicken biodiversity.13
2.6.1 Drift, mutation and restricted gene flow.13
2.6.2 Natural and artificial selection and non random mating.13
2.7 Assessment of biodiversity.17
2.7.1 Phenorypic diversity.17
2.7.2 Genetic diversity.17
2.7.2.1 Microsatellites.18
2.7.2.2 Single nucleotide polymorphism (SNPs).19
2.7.2.3 Mitochondrial DNA sequences.20
2.8 Diversity measures.21
2.8.1 Within population diversity measures.21
2.8.1.1 Number of alleles.21
2.8.1.2 Gene Diversity.22
2.8.1.3 Inbreeding coefficient.22
2.8.1.4 Marker estimated kinship (MEK).23
2.8.2 Between population diversity measures.24
2.8.2.1 Wright's fixation index.24
2.8.2.2 Distance methods with biological assumptions.25
2.8.3 Clustering analysis.26
2.8.4 Nucleotide diversity measures.27
2.8.4.1 Analysis of molecular variance.27
2.8.4.2 Nucleotide distance measures.28
2.8.4.3 Networking analysis.29
2.9 Conservation of chicken genetic resources.30
2.10 Conclusion.32
Chapter 3.33
Study Design.33
3.1 Description of the agro-ecological zones in Zimbabwe.34
3.2 Sampling of households.35
3.3 Chicken populations.36
3.3.1 Zimbabwe chicken eco-types.36
3.3.2 Reference populations.37
3.4 Study layout.37
3.5 Research tools.38
Chapter 4.39
Variation in Village Chicken Production Systems Among Agro-Ecological Zones of
Zimbabwe.39
4.1 Abstract.40
4.2 Introduction.40
4.3 Materials and methods.41
4.3.1 Study Area.41
4.3.2 Sampling procedure.41
4.3.3 Questionnaire administration and participatory rural appraisals.41
4.3.4 Statistical analysis.42
4.4 Results.43
4.4.1 Household demographics and farming system.43
4.4.2 Village chicken production system.48
4.5 Discussion.51
4.6 Conclusions.54
Chapter 5.55
Choice of Breeding Stock, Preference of Production Traits of Village Chickens Among
Zimbabwe Agro-Ecological Zones.55
5.1 Abstract.56
5.2 Introduction.56
5.3 Materials and methods.58
5.3.1 Study site.58
5.3.2 Questionnaire administration.58
5.3.3 Statistical analysis.58
viii
5.4 Results.59
5.4.1 Chickenstrains.59
5.4.2 Choice of breeding stock.61
5.4.3 Ranking of production traits.63
5.4.4 Culling of male and female chickens.64
5.5 Discussion.66
Chapter 6.71
Absence of Population Sub Structuring in the Zimbabwe Chicken Eco-Types Inferred Using
Microsatellite Analysis.71
6.1 Summary.72
6.2 Introduction.72
6.3 Material and methods.73
6.3.1 Zimbabwe eco-types.73
6.3.2 Reference populations.74
6.3.3 Collection of blood samples and DNA isolation.75
6.3.4 DNA polymorphism.75
6.4 Statistical analyses.75
6.4.1 Marker polymorphism and within population diversity.75
6.4.2 Among population diversity.76
6.4.3 Assignment of individuals to populations.76
6.5 Results.77
6.5.1 Marker polymorphism, within and among population diversity.77
6.5.2 Pairwise genetic distances.80
6.5.3 Cluster analysis.81
6.5.4 Marker estimated kinships.82
6.6 Discussion.83
Chapter 7.87
Genetic Diversity and Phylogeographic Structure of the Zimbabwe Chicken Eco-Types
Investigated Using Mitochondrial DNA D-Loop Sequences.87
7.1 Summary.88
7.2 Introduction.88
7.3 Materials and methods.89
7.3.1 Chicken populations.89
7.3.1.1 Zimbabwe eco-types.89
7.3.1.2 Reference populations.90
7.3.2 mtDNA amplification and sequencing.90
7.4 Statistical analysis.91
7.4.1 Sequence variation and haplotype diversity.9!
7.4.2 Within population diversity.91
7.4.3 Determination of population structure using AMOVA.91
7.4.4 Network analysis of haplotypes.91
7.5 Results.92
7.5.1 Sequence variation and haplotype distribution.92
ix
7.5.2 Within population diversity.92
7.5.3 Population structure.94
7.5.4 Network analysis.95
7.5.5 Within and between clade diversity.97
7.6 Discussion.98
Chapter 8.101
General Discussion.101
8.1 General discussion.102
8.2 Conclusions.109
8.3 Implications and recommendations.109
SUMMARY.113
REFERENCES:.117
APPENDICES.131
CURRICULUM VITAE.137
LIST OF TABLES:
Table 2.1: Factors accelerating the erosion of livestock biodiversity
.15
Table 3.1: The rainfall, temperature and farming systems of each agro-
ecological region.34
Table 4.1: Frequencies of households in the five agro-ecological zones
depending on livestock, crops, home industries, salaries and /or
remittances for income.44
Table 4.2: Mean ranks (SD) attached to the different sources of income (1 =
most important- up to 6 = least important) and significance
levels based Kruskal-Wallis test.45
Table 4.3: Least square means (standard error) of household land holdings
and number of livestock and crop species produced across the
five agro-ecological zones.45
Table 4.4: Least square means (standard error) of herd and flock sizes of
livestock species reared and hectares of crops produced by
households across the five eco-zones.47
Table 4.5: Least square means (Standard error) of chicken flock sizes and
composition in the 5 eco-zones.47
Table 4.6: Mean ranks (SD) of chickens and other livestock species (1 =
most important up to 7 = least important) across agro-ecological
zones and significant levels according to Kruskal-Wallis test.48
Table 4.7: The odds ratio estimates, lower and upper 95% confidence
interval (CD) of ranking chickens first in households without
cattle, goats and other livestock species compared to those
owning these species and in eco-zone V compared to eco-zones I
-IV.49
Table 4.8: Mean ranks (SD) of the uses of chickens (1 = most important -
upto 7 = least important) across eco-zones and significance level
based on Kruskal-Wallis test.50
Table 4.9: Least square means (standard error) of the number of perceived
threats and opportunities to chicken production across agro
ecological zones.51
Table 5.1: Mean ± standard deviation of the number of mature chickens of
different strains per household in the five agro-ecological zones
(Eco-zone I - V).60
Table 5.2: Variation in the preferred chicken strains for different production
and morphological traits by farmers from the five agro ecological
zones.61
Table 5.3: Mean ranks (SD) of factors used in the choice of breeding stock
(with 1 = major determinant and 8 = least important) among eco-
zones and significant levels according to Kruskal-WaJlis test.63
Table 5.4: Mean ranks (SD) of preferences for production traits (with 1 =
most preferred and 6 = least preferred) among eco-zones (Eco-
zone) and significant levels according to Kruskal-Wallis test.64
Table 5.5: Least square means (SE) of the number of culling criteria in male
and female chickens across the eco-zones.64
Table 5.6: Mean rank sums (SD) [with 1 = most important down to 4 =
least important] classified by culling criteria in male and female
chickens.65
Table 6.1: Observed allele size ranges and number of alleles in the all
populations and the number and frequency of alleles unique to the
Zimbabwe eco-types.78
Table 6.2: Mean number of alleies per locus, number of unique alleles,
expected (He) and observed (H,) heterozygosity and inbreeding
coefficient (FB) per population.79
Table 6.3: Overall population (Fit), between populations (FSt) and within
population (Fg) inbreeding coefficients of the Zimbabwe, African
(Malawi, Sudan and Zimbabwe) and purebred populations.80
Table 6.4: Mean Nei's standard genetic distances, pairwise Fst and marker
estimated kinships (MEK) within and between the Zimbabwe five
eco-types, Malawi and Sudanese chickens and purebred lines.81
Table 7.1: Distribution of mtDNA D-loop haplotypes in five Zimbabwe
chicken eco-types, Malawi and Sudanese chickens and six
purebred lines.93
Table 7.2: Number of polymorphic sites, number of mtDNA D-loop
haplotypes and haplotype diversity of chickens populations from
five Zimbabwe eco-types, Malawi, Sudan and six purebred lines
.94
Table 7.3: Partition of mtDNA D-loop variance within and between five
Zimbabwe eco-types, seven African chicken populations (five
Zimbabwe eco-types, Malawi and Sudan) and six purebred lines
and the level of population substructuring (Fst).94
Table 7.4: The number of individuals per population, total number of
haplotypes and haplorype diversity of the 3 mtDNA D-loop
clades in Figure 1.97
LIST OF FIGURES:
Figure 3.1: Map of Zimbabwe showing the selected districts.35
Figure 5.1: Frequencies of households using the different culling criteria in the five eco-zones
(I-V).65
Figure 6.1: STRUCTURE clustering of Zimbabwe chicken eco-types in reference to the
extensively raised Malawi and Sudanese chickens and purebred broiler, white and brown
egg layers.82
Figure 6.2: Neighbour-Joining tree derived from marker estimated kinships.83
Figure 7.1: Median Network profile of the 32 mtDNA D-loop haplotypes observed in the five
Zimbabwe eco-types, Malawi and Sudanese chickens and six purebred lines. 96
LIST OF APPENDICES:
Appendix 1: Questionnaire to build an understanding on the environment housing the village
chickens, the existing phenotypes and the fanners' management practises and perceived
attributes of the phenotypes.131
Appendix 3: Questionnaire to record phenotypic description of the chickens sampled for
DNA analysis.136 |
| any_adam_object | 1 |
| any_adam_object_boolean | 1 |
| author | Muchadeyi, Farai Catherine 1977- |
| author_GND | (DE-588)134017145 |
| author_facet | Muchadeyi, Farai Catherine 1977- |
| author_role | aut |
| author_sort | Muchadeyi, Farai Catherine 1977- |
| author_variant | f c m fc fcm |
| building | Verbundindex |
| bvnumber | BV023319928 |
| ctrlnum | (OCoLC)214404865 (DE-599)DNB985669276 |
| dewey-full | 636.50821096891 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 636 - Animal husbandry |
| dewey-raw | 636.50821096891 |
| dewey-search | 636.50821096891 |
| dewey-sort | 3636.50821096891 |
| dewey-tens | 630 - Agriculture and related technologies |
| discipline | Agrar-/Forst-/Ernährungs-/Haushaltswissenschaft / Gartenbau |
| discipline_str_mv | Agrar-/Forst-/Ernährungs-/Haushaltswissenschaft / Gartenbau |
| edition | 1. Aufl. |
| format | Thesis Book |
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| genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
| genre_facet | Hochschulschrift |
| geographic | Simbabwe (DE-588)4049850-5 gnd |
| geographic_facet | Simbabwe |
| id | DE-604.BV023319928 |
| illustrated | Illustrated |
| index_date | 2024-07-02T20:53:19Z |
| indexdate | 2024-12-06T17:00:41Z |
| institution | BVB |
| isbn | 9783867273626 3867273626 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-016504042 |
| oclc_num | 214404865 |
| open_access_boolean | |
| owner | DE-703 |
| owner_facet | DE-703 |
| physical | XV, 137 S. graph. Darst., Kt. 21 cm |
| publishDate | 2007 |
| publishDateSearch | 2007 |
| publishDateSort | 2007 |
| publisher | Cuvillier |
| record_format | marc |
| spelling | Muchadeyi, Farai Catherine 1977- Verfasser (DE-588)134017145 aut Assessment of genetic diversity of Zimbabwe village chicken eco-types presented by Farai Catherine Muchadeyi. [Institute of Animal Breeding and Genetics, Georg-August-Universität Göttingen] 1. Aufl. 11 Göttingen Cuvillier 2007 XV, 137 S. graph. Darst., Kt. 21 cm txt rdacontent n rdamedia nc rdacarrier Zugl.: Göttingen, Univ., Diss., 2007 Genetische Variabilität (DE-588)4264352-1 gnd rswk-swf Lokalrasse (DE-588)4835721-2 gnd rswk-swf Hühnerrasse (DE-588)4113969-0 gnd rswk-swf Simbabwe (DE-588)4049850-5 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Simbabwe (DE-588)4049850-5 g Hühnerrasse (DE-588)4113969-0 s Lokalrasse (DE-588)4835721-2 s Genetische Variabilität (DE-588)4264352-1 s DE-604 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016504042&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Muchadeyi, Farai Catherine 1977- Assessment of genetic diversity of Zimbabwe village chicken eco-types Genetische Variabilität (DE-588)4264352-1 gnd Lokalrasse (DE-588)4835721-2 gnd Hühnerrasse (DE-588)4113969-0 gnd |
| subject_GND | (DE-588)4264352-1 (DE-588)4835721-2 (DE-588)4113969-0 (DE-588)4049850-5 (DE-588)4113937-9 |
| title | Assessment of genetic diversity of Zimbabwe village chicken eco-types |
| title_auth | Assessment of genetic diversity of Zimbabwe village chicken eco-types |
| title_exact_search | Assessment of genetic diversity of Zimbabwe village chicken eco-types |
| title_exact_search_txtP | Assessment of genetic diversity of Zimbabwe village chicken eco-types |
| title_full | Assessment of genetic diversity of Zimbabwe village chicken eco-types presented by Farai Catherine Muchadeyi. [Institute of Animal Breeding and Genetics, Georg-August-Universität Göttingen] |
| title_fullStr | Assessment of genetic diversity of Zimbabwe village chicken eco-types presented by Farai Catherine Muchadeyi. [Institute of Animal Breeding and Genetics, Georg-August-Universität Göttingen] |
| title_full_unstemmed | Assessment of genetic diversity of Zimbabwe village chicken eco-types presented by Farai Catherine Muchadeyi. [Institute of Animal Breeding and Genetics, Georg-August-Universität Göttingen] |
| title_short | Assessment of genetic diversity of Zimbabwe village chicken eco-types |
| title_sort | assessment of genetic diversity of zimbabwe village chicken eco types |
| topic | Genetische Variabilität (DE-588)4264352-1 gnd Lokalrasse (DE-588)4835721-2 gnd Hühnerrasse (DE-588)4113969-0 gnd |
| topic_facet | Genetische Variabilität Lokalrasse Hühnerrasse Simbabwe Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016504042&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT muchadeyifaraicatherine assessmentofgeneticdiversityofzimbabwevillagechickenecotypes |