[Abdelqader A., Wollny C. B. A., Gauly M. (2007). Characterization of local chicken production systems and their potential under different levels of management practice in Jordan. Trop. Anim. Health Prod., 39: 155–164.]Search in Google Scholar
[Alderson L. (2010). Breeds at risk. Criteria and classification. Report from a seminar held in London. 16–17.02.2010, Convenor, 1: 1–14.]Search in Google Scholar
[Anang A., Mielenz N., Schüler L. (2000). Genetic and phenotypic parameters for monthly egg production in White Leghorn hens. J. Anim. Breed. Genet., 117: 407–415.]Search in Google Scholar
[Boichard D., Maignel L., Verrier E. (1997). The value of using probabilities of gene origin to measure genetic variability in a population. Genet. Sel. Evol., 29: 5–23.]Search in Google Scholar
[Borzemska W. B., Kosowska G. (1997). Major problems of pathology in poultry hatch (in Polish). Zesz. Nauk. Prz. Hod., 3: 25–31.]Search in Google Scholar
[Brodacki A., Zięba G., Cywa-Benko K. (2001). Genetic distance between selected breeds and lines of laying hens. Electron. J. Pol. Agric. Univ. - Anim. Husb., 4: 1–4.]Search in Google Scholar
[Brodacki A., Tarkowski J., Flis J. (2003). Genetic distances in hens estimated with protein genes frequencies and procedures of DNA analysis. Electron. J. Pol. Agric. Univ. - Anim. Husb., 6: 56–61.]Search in Google Scholar
[Caballero A., Toro M. A. (2000). Interrelations between effective population size and other pedigree tools for the management of conserved populations. Genet. Res., 75: 331–343.]Search in Google Scholar
[Calik J. (2002). The relationships between body weight of hen and egg weight (in Polish). Rocz. Nauk. Zoot. Supl., 16: 95–102.]Search in Google Scholar
[Calik J. (2008). Analysis of some genetic and productive parameters and egg quality of hens from RIW (A-33) and RIR (K-22) conservation lines. Ann. Anim. Sci., 8: 113–119.]Search in Google Scholar
[Calik J. (2009). Trends for productive and genetic parameters in three lines of laying hens over eight generations (in Polish). Rocz. Nauk. Zoot., 36: 31–43.]Search in Google Scholar
[Calik J., Krawczyk J., Szefer M. (2012). Population status of laying hens enrolled in the animal genetic resources conservation programme in Poland (in Polish). Wiad. Zoot., 4: 31–39.]Search in Google Scholar
[Cervantes I., Goyache F., Molina A., Valera M., Gutierrez J. P. (2011). Estimation of effective population size from the rate of coancestry in pedigreed populations. J. Anim. Breed. Genet., 128: 56–63.]Search in Google Scholar
[Cywa-Benko K. (2002). Genetic and phenotypic characteristic of native chicken breeds encompassed in biodiversity conservation program (in Polish). Rocz. Nauk. Zoot., Rozpr. Hab., 15: 1–112.]Search in Google Scholar
[Dobrzański J., Calik J., Krawczyk J., Szwaczkowski T. (2019). Conservation of goose genetic resources in Poland – past and present status. World’s Poultry Sci., 75: 387–400.]Search in Google Scholar
[Fathi M. M., Al . -Homidan I., Abou-Emera O. K., Al-Moshawah A. (2017). Characterisation of Saudi native chicken breeds: a case study of morphological and productive traits. World’s Poultry Sci., 73: 916–927.]Search in Google Scholar
[Gryzińska M., Batkowska J., Al-Shammari K., Ambro ż kiewicz J., Je ż ewska-Witkowska G. (2015). Hatchability of selected breeds of hens maintained as Polish conservation flocks. Elect. J. Pol. Agric. Univ. - Anim. Husb., 18: 1–8.]Search in Google Scholar
[Hazary R., Kataria M., Nath M. (2000). Response to selection for egg mass in Rhode Island Red flock. Proc. XXI World Poultry Congress. Montreal, Canada, 22–25.08.2000, 12: 3.]Search in Google Scholar
[Hocking P. M., Bain M., Channing C. E., Fleming R., Wilson S. (2003). Genetic variation for egg production, egg quality and bone strength in selected and traditional breeds of laying fowl. Brit. Poultry Sci., 44: 365–373.]Search in Google Scholar
[Krawczyk J. (2006). Determination of egg production profitability based on the relationship between chicken’s body weight and egg weight (in Polish). Rocz. Nauk. Zoot., 33: 255–262.]Search in Google Scholar
[Krawczyk J. (2018). Some productive traits of the native breeds of Greenleg Partridge and Yellowleg Partridge hens (in Polish). Wiad. Zoot., 2: 68–72.]Search in Google Scholar
[Krawczyk J., Calik J. (2010). Comparison of performance in five generations of laying hens from Polish conservation flocks (in Polish). Rocz. Nauk. Zoot., 37: 41–54.]Search in Google Scholar
[Krawczyk J., Puchała M., Obrzut J. (2012). Hatchability in laying hen flocks under the conservation programme (in Polish). Wiad. Zoot., 4: 41–46.]Search in Google Scholar
[Marquez G. C., Siegel P. B., Lewis R. M. (2010). Genetic diversity and population structure in lines of chickens divergently selected for high and low 8-week body weight. Poultry Sci., 89: 2580–2588.]Search in Google Scholar
[Mtileni B. J., Muchadeyi F. C., Maiwashe A., Chimonyo M., Dzama K. (2012). Conservation and utilisation of chicken genetic resources in Southern Africa. World’s Poultry Sci., 68: 727–747.]Search in Google Scholar
[Niedziółka J. (1997). Physiological and zoohygienic bases of incubating eggs of gallinaceous bird (in Polish). Zesz. Nauk. Prz. Hod., 31: 15–23.]Search in Google Scholar
[Özdemir D., Özdemir E. R., Marchi M. D., Cassandro M. (2013). Conservation of local Turkish and Italian chicken breeds: a case study. It. J. Anim. Sci., 12: 313–319.]Search in Google Scholar
[Padhi M. K. (2016). Importance of indigenous breeds of chicken for rural economy and their improvements for higher production performance. Hindawi Pub. Corp. Sci., 1: 1–9.]Search in Google Scholar
[Pham M. H., Tran X. H., Berthouly-Salazar C., Tixier-Boichard M., Chen C. F., Lee Y. P. (2016). Monitoring of genetic diversity in Taiwan conserved chickens assessed by pedigree and molecular data. Livest. Sci., 184: 85–91.]Search in Google Scholar
[Polak G., Krupiński J., Martyniuk E., Calik J., Kawęcka A., Krawczyk J., Majewska A., Sikora J., Sosin-Bzducha E., Szyndler-Nędza M., Tomczyk-Wrona I. (2021). Assessment of risk status of Polish local breeds under conservation programmes. Ann. Anim. Sci., 21: 125–140.]Search in Google Scholar
[Semik E., Krawczyk J. (2011). The state of poultry genetic resources and genetic diversity of hen populations. Ann. Anim. Sci., 11: 181–191.]Search in Google Scholar
[Singh B., Singh H., Singh C. V. (2000). Genetic parameters of growth, egg production and egg quality traits in White Leghorn. J. Poultry Sci., 35: 13–16.]Search in Google Scholar
[Spalona A., Ranving H., Cywa-Benko K., Zanon A., Sabbioni A., Szalay I., Benkova J., Baumgartner J., Szwaczkowski T. (2007). Population size in conservation of local chicken breeds in chosen European countries. Arch. Geflugelkd., 71: 49–55.]Search in Google Scholar
[Szwaczkowski T. (2003). Use of mixed model methodology in poultry breeding: estimation of genetic parameters. In: Poultry genetics breeding and biotechnology. CABI Publishing, pp. 165–203.10.1079/9780851996608.0165]Search in Google Scholar
[Van Marle-Köster E., Hefer C. A., Nel L. H., Groenen M. A. M. (2008). Genetic diversity and population structure of locally adapted South African chicken lines: implications for conservation. South Afr. J. Anim. Sci., 38: 271–281.]Search in Google Scholar
[Vostrý L., Vostrá-Vydrová H., Moravčíková N., Hofmanová B., Rychtářová J., Machová K., Brzáková M., Kasarda R. (2020). Monitoring of genetic diversity in autochthonous Czech poultry breeds assessed by genealogical data. Czech J. Anim. Sci., 65: 224–231.]Search in Google Scholar
[Wężyk S., Cywa-Benko K., Siwek M., Bednarczyk M., Calik J. (2000). Studies on genetic differences in genetic reserve breeds of hens (in Polish). Rocz. Nauk. Zoot., 27: 115–127.]Search in Google Scholar
[Woelders H., Zuidberg C. A., Hiemstra S. J. (2006). Animal genetic resources conservation in the Netherlands and Europe. Poultry perspective. Poultry Sci., 85: 216–222.]Search in Google Scholar
[World Watch List for Domestic Animal Diversity (2000). FAO/UNEP, Roma, 3rd ed.]Search in Google Scholar
[Wright S. (1931). Evaluation in Mendelian populations. Genetics, 14: 97–159.]Search in Google Scholar
