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Ribeiro NL, de Medeiros GR, da Silva NMV, Soares KO, Arandas JKG, do Nascimento GV, Ribeiro MN. Phenotypic characterisation and production system of the Nordestino horse from a multivariate perspective. Sci Rep 2024; 14:1173. [PMID: 38216575 PMCID: PMC10786842 DOI: 10.1038/s41598-023-51018-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 12/29/2023] [Indexed: 01/14/2024] Open
Abstract
Zootechnical data is a big challenge in the extensive rearing system of Brazilian locally adapted breeds once smallholdings with limited resources and funds rear them. So, information on Brazil's breeding system of locally adapted breeds is still scarce; this situation is more challenging for equine breeds. The present study aimed to describe the local rearing systems and the phenotypic profile of the Nordestino horse breed in Paraíba state and contribute to breed conservation. Data from males (entire and castrated) and females from 50 municipalities in Paraíba state were used. Two hundred sixty-nine animals (111 females, 121 castrated males, and 37 entire males) from 129 breeders were analyzed. A questionnaire consisting of direct and objective questions was applied to understand the breeding system adopted. There was a predominance of the extensive breeding system (85%), which reflects the adaptation of the Nordestino Horse to the region's natural conditions. The lower frequency of use of cultivated pastures may be related to issues of economic viability since the maintenance of cultivated pastures may require additional investments compared to the use of natural pastures. Entire males had a minimum withers height (WH) of 135 cm. Of the 11 morphometric measurements, only five were considered discriminating by the stepwise analysis. The remaining Nordestino horses have morphological characteristics within the breed standard.
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Affiliation(s)
- Neila Lidiany Ribeiro
- Pesquisador bolsista PCI/CNPq do Instituto Nacional do Semiárido - INSA, Campina Grande, Paraíba, Brazil.
| | | | | | - Kilmer Oliveira Soares
- Pesquisador bolsista PCI/CNPq do Instituto Nacional do Semiárido - INSA, Campina Grande, Paraíba, Brazil
| | | | | | - Maria Norma Ribeiro
- Universidade Federal Rural de Pernambuco - UFRPE, Recife, Pernambuco, Brazil
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da Silva Filho JRV, de Moura Neto JB, Arandas JKG, Dos Santos LTA, Queiroz MAÁ, de Nogueira Filho PA, Voltolini TV, de Mesquita FLT, de Carvalho FFR, Ribeiro MN. Does crossbreeding improve the performance and carcass traits of Berganês sheep? Trop Anim Health Prod 2021; 53:451. [PMID: 34535850 DOI: 10.1007/s11250-021-02896-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Accepted: 09/10/2021] [Indexed: 11/25/2022]
Abstract
This study aimed to evaluate the performance and carcass of lambs of different genotypes through univariate and multivariate analysis. Intact male lambs of the Berganês (BG), Berganês x Santa Inês (BSI), and Berganês x Dorper (BD) genotypes and the control group Dorper x Santa Inês (DSI) were used. Eight lambs of each genotype were used, aged between 4 and 5 months, with an average initial weight of 27.52 ± 3.79 kg, distributed in a completely randomized design. Data were tested by analyzing variance, followed by Tukey's test and principal component analysis (PCA) and discriminant analysis (DA). Slaughter body and average daily gain were higher for BD and BG than BSI (P < 0.05). On the other hand, BSI, BD, and DSI showed higher cold carcass yield than BG (P < 0.05). Lower cooling losses (CL) and more excellent conformation were observed in DSI (P < 0.05). BD showed a higher carcass compactness index (CCI), and DSI showed a higher leg compactness index (LCI) (P < 0.05). PCA produced seven components explaining 83.59% of total data variability. Based on the discriminant analysis, LCI, CL, CCI, and conformation showed greater power to distinguish the genotypes, with a high index of the lambs' classification to their respective genotypes. The crossbreeding improved carcass yield and reduced cooling weight loss. The Berganês ecotype and its crossbreeds have performance and carcass traits compatible with the DSI genotype. According to the DA, heterogeneity was found between the Berganês ecotype and its crossbreeds, with CL, LCI CCI, and conformation showing greater discrimination power.
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Affiliation(s)
| | | | - Janaina Kelli Gomes Arandas
- Universidade Federal Rural de Pernambuco, Recife, PE, 52171-900, Brazil
- Scholarship of the Conselho Nacional de Desenvolvimento Científico E Tecnológico, CNPq, Brasília, Brazil
| | | | | | | | | | | | - Francisco Fernando Ramos de Carvalho
- Universidade Federal Rural de Pernambuco, Recife, PE, 52171-900, Brazil
- Scholarship of the Fundação de Apoio À Pesquisa Do Estado de Pernambuco, FACEPE, Recife, Brazil
| | - Maria Norma Ribeiro
- Universidade Federal Rural de Pernambuco, Recife, PE, 52171-900, Brazil
- Scholarship of the Fundação de Apoio À Pesquisa Do Estado de Pernambuco, FACEPE, Recife, Brazil
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de Barros Nascimento de Medeiros R, Gomes Arandas JK, Silva Cavalcante PO, da Silva NMV, de Oliveira JCV, Ribeiro MN. Is multivariate analysis a useful tool to assess the morphometric profile of endangered goats? Small Rumin Res 2020. [DOI: 10.1016/j.smallrumres.2020.106175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Soares RAN, Nogueira JF, Neto JBDM, Gouveia GV, Ribeiro MN, Gouveia JJDS. PSI-9 Molecular characterization of Berganês sheep, a locally adapted ecotype from Brazilian semi-arid region. J Anim Sci 2019. [DOI: 10.1093/jas/skz258.583] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
The Ovis aries species is phenotypically diverse and it is bred around the world for meat, milk and wool production. In the 1980s, small farmers in the semi-arid region of Pernambuco, Brazil, initiated the introgression of genes from Santa Inês and Bergamácia breeds in their local sheep of undefined breed, and the selection of individuals in an unstructured form, giving rise to an ecotype with unique characteristics called Berganês. The aim of this study was to perform genetic structure analysis of the Berganês ecotype population on farms in the state of Pernambuco using the Illumina® BeadChip OvineSNP50 high density chip as a way of increasing knowledge about the ecotype. Animals from seven farms were genotyped, totaling 96 animals (17 males and 79 females). Of the 54,241 Single Nucleotide Polymorphism (SNPs) found, we elected the ones with GenCall Score > 0.5, Hardy-Weinberg equilibrium (significance at 0.01) and lower allele frequency (MAF) > 0.2. In addition, only SNPs located on the autosomal chromosomes were maintained, according to version 4.0 of the sheep genome, with 39,250 SNPs being selected. The observed and expected mean heterozygosity values were, respectively, 0.37159 and 0.37943. The F statistics found were: FIS = 0.02622, FST = 0 and FIT = 0.02394. Most of the variability found (97.61%), which was estimated by AMOVA, is uniformly distributed within the herds and the Principal Component Analysis (PCA) did not allow the visual identification of a substructure considering herds, sex or phenotypic characteristics (coat color, ear size and insertion, and head morphology). Thus, the genetic variability presented in the animals of the Berganês ecotype is distributed homogeneously among the herds analyzed. Therefore, the genetic characterization presented here represents a key point in the creation of conservation plans and breeding programs, improving the efficiency of selection processes and the selection of breeders.
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Affiliation(s)
| | - Joel Fonseca Nogueira
- Masters in Veterinary Science in the Semi-Arid, Universidade Federal do Vale do São Francisco
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Ribeiro NL, Germano Costa R, Pimenta Filho EC, Ribeiro MN, Bozzi R. Effects of the dry and the rainy season on endocrine and physiologic profiles of goats in the Brazilian semi-arid region. Italian Journal of Animal Science 2017. [DOI: 10.1080/1828051x.2017.1393320] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | | | | | - Maria Norma Ribeiro
- Departamento de Zootecnia, Universidade Federal Rural de Pernambuc, Recife, Brazil
| | - Riccardo Bozzi
- DISPAA – Sezione Scienze Animali, Università degli Studi di Firenze, Firenze, Italy
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Silva NMV, Pimenta Filho EC, Arandas JKG, Gomes Filho MA, Ferreira E, Del Cerro I, Fonseca C, Ribeiro MN. Polymorphism of mitochondrial DNA in the Brazilian Canindé goat breed. Genet Mol Res 2017; 16:gmr-16-02-gmr.16029656. [PMID: 28525660 DOI: 10.4238/gmr16029656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The success of the geographical distribution of goat populations around the world is a consequence of the adaptive potential of these breeds. Several relevant traits to the success of the species in colonizing different ecosystems (and use by man) evolved before domestication. These features were relevant for the selection of different breeds. Each breed represents a genetic heritage that may be unique and essential for maintaining the species. The objective of this study was to catalog the mtDNA haplotypes of the Brazilian autochthonous Canindé goat breed and to characterize the genetic diversity observed in subpopulations by sequencing a 481-bp fragment corresponding to the first portion of the control region in 178 individuals from 10 herds, sampled in six Brazilian states. The global population displays a total of 29 haplotypes and 56 polymorphic sites. About one-third (10) of the haplotypes were common to all subpopulations while the remaining (19) were exclusive to a single subpopulation. The population exhibited high average haplotype diversity (0.82), with maximum and minimum values of 0.90 and 0.56 in individual subpopulations, respectively. In contrast, nucleotide diversity was 0.014, with maximum and minimum values of 0.020 and 0.004, respectively. The spatial analysis of molecular variance did not detect structure within the Canindé goat breed, and analysis of molecular variance revealed that 88.4% of the variation observed in the population was due to differences among individuals in the same subpopulation. Only 11.4% of the genetic variation referred to differences among subpopulations. About one-third (33.1%) of the individuals within population shared the same haplotype, which may be due not only to the breed developing from a small number of matrilines. The Brazilian autochthonous Canindé breed was classified as haplogroup A, a haplotype predominant in the Europe region.
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Affiliation(s)
- N M V Silva
- Programa de Doutorado Integrado em Zootecnia, Departamento de Zootecnia, Universidade Federal da Paraíba, Areia, PB, Brasil
| | - E C Pimenta Filho
- Departamento de Zootecnia, Universidade Federal da Paraíba, Areia, PB, Brasil
| | - J K G Arandas
- Programa de Doutorado Integrado em Zootecnia, Departamento de Zootecnia, , , Brasil
| | | | - E Ferreira
- Departamento de Biologia & CESAM, , , Portugal
| | - I Del Cerro
- Departamento de Biologia & CESAM, , , Portugal
| | - C Fonseca
- Departamento de Biologia & CESAM, , , Portugal
| | - M N Ribeiro
- Programa de Doutorado Integrado em Zootecnia, Departamento de Zootecnia, , , Brasil
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Ginja C, Gama LT, Martínez A, Sevane N, Martin-Burriel I, Lanari MR, Revidatti MA, Aranguren-Méndez JA, Bedotti DO, Ribeiro MN, Sponenberg P, Aguirre EL, Alvarez-Franco LA, Menezes MPC, Chacón E, Galarza A, Gómez-Urviola N, Martínez-López OR, Pimenta-Filho EC, da Rocha LL, Stemmer A, Landi V, Delgado-Bermejo JV. Genetic diversity and patterns of population structure in Creole goats from the Americas. Anim Genet 2017; 48:315-329. [PMID: 28094449 DOI: 10.1111/age.12529] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/02/2016] [Indexed: 01/03/2023]
Abstract
Biodiversity studies are more efficient when large numbers of breeds belonging to several countries are involved, as they allow for an in-depth analysis of the within- and between-breed components of genetic diversity. A set of 21 microsatellites was used to investigate the genetic composition of 24 Creole goat breeds (910 animals) from 10 countries to estimate levels of genetic variability, infer population structure and understand genetic relationships among populations across the American continent. Three commercial transboundary breeds were included in the analyses to investigate admixture with Creole goats. Overall, the genetic diversity of Creole populations (mean number of alleles = 5.82 ± 1.14, observed heterozygosity = 0.585 ± 0.074) was moderate and slightly lower than what was detected in other studies with breeds from other regions. The Bayesian clustering analysis without prior information on source populations identified 22 breed clusters. Three groups comprised more than one population, namely from Brazil (Azul and Graúna; Moxotó and Repartida) and Argentina (Long and shorthair Chilluda, Pampeana Colorada and Angora-type goat). Substructure was found in Criolla Paraguaya. When prior information on sample origin was considered, 92% of the individuals were assigned to the source population (threshold q ≥ 0.700). Creole breeds are well-differentiated entities (mean coefficient of genetic differentiation = 0.111 ± 0.048, with the exception of isolated island populations). Dilution from admixture with commercial transboundary breeds appears to be negligible. Significant levels of inbreeding were detected (inbreeding coefficient > 0 in most Creole goat populations, P < 0.05). Our results provide a broad perspective on the extant genetic diversity of Creole goats, however further studies are needed to understand whether the observed geographical patterns of population structure may reflect the mode of goat colonization in the Americas.
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Affiliation(s)
- C Ginja
- CIBIO-InBIO - Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus Agrário de Vairão, Rua Padre Armando Quintas n. 7, 4485-661, Vairão, Portugal
| | - L T Gama
- CIISA, Faculdade de Medicina Veterinária, Universidade de Lisboa, Lisboa, Portugal
| | - A Martínez
- Departamento de Genética, Universidad de Córdoba, Campus de Excelencia Internacional Agroalimentario ceiA3, Córdoba, Spain
| | - N Sevane
- Departamento de Producción Animal, Universidad Complutense de Madrid, Madrid, Spain
| | - I Martin-Burriel
- Martin-Burriel, Laboratorio de Genética Bioquímica, Facultad de Veterinaria, Universidad de Zaragoza, Zaragoza, Spain
| | - M R Lanari
- Area de Producción Animal, Instituto Nacional de Tecnología Agropecuaria EEA, Bariloche, Argentina
| | - M A Revidatti
- Facultad de Ciencias Veterinarias, Universidad Nacional del Nordeste, Corrientes, Argentina
| | - J A Aranguren-Méndez
- Facultad de Ciencias Veterinarias, Universidad de Zulia, Maracaibo-Zulia, Venezuela
| | - D O Bedotti
- Instituto Nacional de Tecnología Agropecuaria EEA Anguil "Ing. Agr. Guillermo Covas", Bariloche, Argentina
| | - M N Ribeiro
- Departamento de Zootecnia, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
| | - P Sponenberg
- Virginia-Maryland Regional College of Veterinary Medicine, Virginia Tech, Blacksburg, VA, USA
| | - E L Aguirre
- Universidad Nacional de Loja, Loja, Ecuador.,Grupo de Melhoramento Animal e Biotecnologias GMAB-FZEA-USP, Brazil
| | | | | | - E Chacón
- Universidad Técnica de Cotopaxi, La Maná, Ecuador
| | - A Galarza
- Universidad Mayor de San Simón, Cochabamba, Bolivia
| | - N Gómez-Urviola
- Universidad Nacional Micaela Bastidas de Apurímac, Abancay, Perú
| | - O R Martínez-López
- Centro Multidisciplinario de Investigaciones Tecnológicas, Dirección General de Investigación Científica y Tecnológica, Universidad Nacional de Asunción, San Lorenzo, Paraguay
| | | | - L L da Rocha
- Departamento de Zootecnia, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil
| | - A Stemmer
- Universidad Mayor de San Simón, Cochabamba, Bolivia
| | - V Landi
- Departamento de Genética, Universidad de Córdoba, Campus de Excelencia Internacional Agroalimentario ceiA3, Córdoba, Spain
| | - J V Delgado-Bermejo
- Departamento de Genética, Universidad de Córdoba, Campus de Excelencia Internacional Agroalimentario ceiA3, Córdoba, Spain
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Salari F, Altomonte I, Ribeiro NL, Ribeiro MN, Bozzi R, Martini M. Effects of season on the quality of Garfagnina goat milk. Italian Journal of Animal Science 2016. [DOI: 10.1080/1828051x.2016.1247658] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Pires DAF, Coelho EGA, Melo JB, Oliveira DAA, Ribeiro MN, Gus Cothran E, Juras R. Genetic relationship between the Nordestino horse and national and international horse breeds. Genet Mol Res 2016; 15:gmr7881. [PMID: 27173248 DOI: 10.4238/gmr.15027881] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Knowledge of genetic diversity and relationships between breeds is very important for conservation programs. Hair samples were collected from 393 individual Nordestino horses and genotyped using 14 microsatellite markers in order to investigate the genetic relationship between this breed and 66 international horse breeds. There was high allelic diversity and inbreeding coefficient within population values were not significant, which was probably due to crossbreeding. Despite the Nordestino horse population being in Hardy-Weinberg equilibrium, a global deficit of heterozygotes was observed. This may represent evidence of repeated use of the same stallions for breeding, which is consistent with the high number of castrated males found. Campolina, Mangalarga Marchador, and Mangalarga were the Brazilian horse breeds most closely related to the Nordestino horse, which is a reflection of recent introgressions. Among Iberian horse breeds, the Sorraia breed appears to have had an important influence on the genetics of the Nordestino horse. Those results provide important information that can guide future conservation programs.
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Affiliation(s)
- D A F Pires
- Instituto Federal de Educação, Ciência e Tecnologia de Pernambuco, Campus Barreiros, Barreiros, PE, Brasil
| | - E G A Coelho
- Laboratório de Genética da Escola de Veterinária, Departamento de Zootecnia, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brasil
| | - J B Melo
- Departamento de Estudos Básicos e Instrumentais, Universidade Estadual do Sudoeste da Bahia, Itapetinga, BA, Brasil
| | - D A A Oliveira
- Laboratório de Genética da Escola de Veterinária, Departamento de Zootecnia, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brasil
| | - M N Ribeiro
- Departamento de Zootecnia, Universidade Federal Rural de Pernambuco, Recife, PE, Brasil
| | - E Gus Cothran
- Department of Veterinary Integrative Biosciences, Texas A & M University, College Station, TX, USA
| | - R Juras
- Department of Veterinary Integrative Biosciences, Texas A & M University, College Station, TX, USA
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Arandas JKG, da Silva NMV, Nascimento RDB, Pimenta Filho EC, Albuquerque Brasil LHD, Ribeiro MN. Multivariate analysis as a tool for phenotypic characterization of an endangered breed. Journal of Applied Animal Research 2016. [DOI: 10.1080/09712119.2015.1125353] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
| | | | | | | | | | - Maria Norma Ribeiro
- Departament of Zootechny, Universidade Federal Rural de Pernambuco, Recife, Pernambuco, Brazil
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da Rocha LL, Filho ECP, Filho MAG, Delgado JV, Martínez AM, Ribeiro MN. Impact of foreign goat breeds on the genetic structure of Brazilian indigenous goats and consequences to intra-breed genetic diversity. Small Rumin Res 2016. [DOI: 10.1016/j.smallrumres.2015.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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de Lima DM, de Carvalho FFR, Ribeiro MN, Batista ÂMV, Ferreira BF, Monteiro PDBS. Effect of the replacement of Tifton 85 with maniçoba hay on the performance of Morada Nova hair sheep. Trop Anim Health Prod 2014; 46:995-1000. [DOI: 10.1007/s11250-014-0600-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/01/2014] [Indexed: 12/01/2022]
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Cavalcante-Neto A, Lui JF, Sarmento JLR, Ribeiro MN, Fonseca C, Tonhati H, Monteiro JMC, Lara MAC, Queiroz SA. Genetic and environmental effects on age at first farrowing in sows in southeastern Brazil. Genet Mol Res 2011; 10:2860-6. [PMID: 22057997 DOI: 10.4238/2011.october.31.9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
We evaluated genetic and environmental factors affecting age at first farrowing of sows in the Brazilian southeast. For this purpose, 466 observations regarding the age at first farrowing were made for Dalland-C40© animals belonging to two herds. The effects of the environmental factors on this trait were assessed by means of a model that included, as random effects, the influence of the sow's father and mother and, as fixed effects, the influence the year of birth, the herd and the birth season, along with the covariable litter size at birth. The variance components were estimated using the derivative-free restricted maximum likelihood method. The estimated mean was 354.8 ± 25.87 days, with a coefficient of variation of 7.29%. Significant effects on the trait were observed for the herd, the year and the season of birth; but a linear effect of litter size at birth on the age at first farrowing was not observed. The boar did not significantly contribute to the variation occurring among the sows, whereas the sow's mother caused significant variation. The heritability estimate for the age at first farrowing was 0.44 ± 0.15, which is considered high. We concluded that herd effect and year and season of birth should be taken into consideration for an accurate genetic comparison; consequently, the animals should be joined into contemporary groups.
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Affiliation(s)
- A Cavalcante-Neto
- Departamento de Biologia & CESAM, Universidade de Aveiro, Aveiro, Portugal.
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Ribeiro MN, Bruno-de-Sousa C, Martinez-Martinez A, Ginja C, Menezes MPC, Pimenta-Filho EC, Delgado JV, Gama LT. Drift across the Atlantic: genetic differentiation and population structure in Brazilian and Portuguese native goat breeds. J Anim Breed Genet 2011; 129:79-87. [PMID: 22225587 DOI: 10.1111/j.1439-0388.2011.00942.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Brazilian goat breeds are believed to derive mainly from animals brought by Portuguese settlers since the 16th century. We used microsatellite markers in a sample of 436 animals to study genetic variability and differentiation of the six Portuguese (PT) and six Brazilian (BR) goat breeds currently recognized in the two countries. These breeds were also compared with an outgroup represented by a sample of Alpine (ALP) goats. The effective number of alleles and allelic richness were slightly higher in PT than in BR breeds. The global F(ST) was nearly 0.11 when PT and BR breeds were considered, with a mean pairwise F(ST) of about 0.03 among PT breeds, 0.07 among BR breeds and 0.15 between PT and BR breeds. The dendrogram illustrating relationships between populations and the correspondence analysis indicate the existence of two very distinct clusters, corresponding to the countries of origin of the breeds studied, which are nearly equidistant from the Alpine outgroup. The analysis with structure confirmed the separation between PT and BR breeds but suggests that some BR breeds, especially Graúna and Canindé, may share a common ancestry with PT breeds. The divergence observed between PT and BR breeds may result from founder effects and genetic drift but could also reflect the introduction in Brazil of goats originating from other regions, e.g., West Africa.
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Affiliation(s)
- M N Ribeiro
- Departamento de Zootecnia, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil.
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Chaves-Fonseca RM, Matos OS, Lordelo RA, Abreu M, Farias MG, Coutinho JF, Ribeiro MN, Matteoni-Athayde L, Lessa I, Pousada J, Oliveira M, Lopes C, Strock E, Mazze R. Implementation of a systematic approach to diabetes in primary care in Bahia, Brazil improves metabolic outcomes: PRODIBA-Programa de Interiorização da Assistência ao Diabetes na Bahia (Project for Dissemination of Diabetes Care in the State of Bahia). Diabet Med 2009; 26:286-92. [PMID: 19317824 DOI: 10.1111/j.1464-5491.2008.02656.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
BACKGROUND Staged Diabetes Management (SDM) improves glycaemic control and reduces diabetes-related complications in primary care. METHODS An 18-month randomized controlled cohort study was conducted in two municipalities in the state of Bahia, Brazil, involving 100 patients with Type 2 diabetes in each municipality. In one municipality, healthcare professionals were trained to use SDM customized protocols for clinical decisions and, in the other municipality, no protocols for diabetes care were implemented. We hypothesized that, in the municipality with SDM trained professionals, patients would have better outcomes, including a fall in glycated haemoglobin (HbA(1c)). RESULTS Improvements in some metabolic parameters were observed in the SDM group, including a 22% decrease in mean random glucose, a significant 15% decrease in mean HbA(1c), a 6% decrease in systolic blood pressure and an 11% decrease in diastolic blood pressure. There were no differences in body mass index and lipid profile. CONCLUSIONS SDM customized algorithms are effective, practical and easy to use in primary healthcare teams with very limited resources.
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Affiliation(s)
- R M Chaves-Fonseca
- Centre for Diabetes and Endocrinology in the State of Bahia (CEDEBA), Salvador, Bahia, Brazil.
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Ribeiro MN, Goulart SF. [History of research in nursing]. Rev Gaucha Enferm 1984; 5:299-304. [PMID: 6399585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
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