// Workers AI · dad joke modeWhat did Polbar say to his date? You polarize me.
 Polbar hen | |
| Conservation status | FAO 2007: critical-maintained[1]: 92 |
|---|---|
| Country of origin | Poland |
| Use | conservation only |
| Classification | |
| |
The Polbar is a breed of chicken from Poland. It was created between 1946 and 1954 by Laura Kaufman, who crossed the native Polish Green-legged Partridge breed with American Plymouth Rock birds. The aim was to introduce the barred gene of the Plymouth Rock to make chicks auto-sexing – female chicks can be distinguished from males at one day old by the longer black eye-stripe.[2][3]
There is one Polbar flock in Poland, at the Laura Kaufman Research Station of the University of Life Sciences of Lublin, in the eastern part of the country. It is kept for conservation only. At the end of 2014 there were 1100 birds.[2]
References
[edit]- ↑ Barbara Rischkowsky, Dafydd Pilling (editors) (2007). List of breeds documented in the Global Databank for Animal Genetic Resources, annex to: The State of the World's Animal Genetic Resources for Food and Agriculture. Rome: Commission on Genetic Resources for Food and Agriculture, Food and Agriculture Organization of the United Nations. ISBN 9789251057629. Archived 23 June 2020.
- 1 2 Breed data sheet: Polbar/Poland. Domestic Animal Diversity Information System of the Food and Agriculture Organization of the United Nations. Accessed January 2016.
- ↑ Magdalena Gryzinska, Ewa Blaszczak, Aneta Strachecka, Grazyna Jezewska-Witkowska (2013). Analysis of Age-Related Global DNA Methylation in Chicken. Biochemical Genetics 51 (7-8): 554–563. doi:10.1007/s10528-013-9586-9.