|
|
| CASTELLINI, prof C; PERELLA, dr F; MUGNAI, dr C; DAL BOSCO, dr A. |
| The welfare, production performance and some qualitative characteristics of eggs obtained under three different rearing systems (conventional, organic and organic-plus) were compared. Three homogeneous groups, each of 120 White Leghorn hens, fed the same diets, were assigned to different rearing systems and data were recorded for 1 year. The welfare indicators were the following: first impact, behavioural patterns, tonic immobility and plumage status. Productive performance was recorded (% deposition; egg weight) and some qualitative traits (Haugh index, yolk colour, yolk, albumen and egg shell weight) were evaluated. Well-being was greatly affected by rearing system. The best welfare status was observed in hens of the organic-plus group, whereas the worst... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Poultry; Health and welfare. |
| Ano: 2006 |
URL: http://orgprints.org/9331/1/Welfare%2C_productivity_and_qualitative_traits_of_egg.pdf |
| |
