Robustness of laying hens

Agriculture & Biology

1. laying hens 100%
2. hens 91%
3. genetic analysis 88%
4. immunity 86%
5. feather pecking 67%
6. group housing 64%
7. cages 46%
8. genetic correlation 30%
9. plumage 25%
10. beak trimming 24%
11. egg production 21%
12. behavior disorders 20%
13. heritability 19%
14. selection response 19%
15. chromosomes 19%
16. breeding 18%
17. genetic markers 17%
18. breeding value 16%
19. sires 15%
20. antibodies 15%
21. phenotype 15%
22. genomics 14%
23. single nucleotide polymorphism 14%
24. quantitative trait loci 13%
25. genes 13%
26. complement 12%
27. interleukin-17 12%
28. battery cages 11%
29. Rhode Island Red 11%
30. serotonin receptors 10%
31. methodology 10%
32. genetic lines 10%
33. geneticists 10%
34. selection intensity 9%
35. eggs 9%
36. interleukins 9%
37. cannibalism 8%
38. touch (sensation) 8%
39. major histocompatibility complex 8%
40. phenotypic correlation 8%
41. White Leghorn 8%
42. dams (mothers) 8%
43. laws and regulations 7%
44. infectious diseases 7%
45. genetic background 7%
46. standard deviation 7%
47. immune system 7%
48. disease resistance 7%
49. natural selection 7%
50. control methods 6%
51. animals 6%
52. immune response 6%
53. herds 6%
54. breeds 5%