Comparison of the fast-induced and high dietary zinc-induced molting: trace elements dynamic in serum and eggs at different production stages in hens (Gallus domesticus).
J Anim Physiol Anim Nutr (Berl)
; 93(1): 35-43, 2009 Feb.
Article
in En
| MEDLINE
| ID: mdl-19386006
ABSTRACT
A number of 252, 70 week old, single comb white leghorn hens at the end of their first production cycle were divided into two groups group-I; molted by fasting and group-II; by high dietary zinc to obtain the second and third production cycle. Sampling was carried out at 5%, peak and end of the second production cycle and at 5% and peak of the third production cycle. Serum zinc decreased at the peak of the second production cycle, while increased at the 5% of the third production cycle in zinc-molted group. Serum copper and manganese increased at the 5% and peak of the second production cycle in zinc-molted group. Egg albumin zinc and copper increased at the 5% and peak of the second as well as third production cycles in zinc-molted group. Egg albumin manganese increased at 5% during the second production cycle in fasting molted group. Egg yolk zinc increased at the peak of the second production cycle in zinc-molted group. Egg yolk copper increased at the 5% of second production cycle but decreased during the third production cycle in zinc-molted group. Egg yolk manganese increased at the 5% and at the end of the second production cycle in zinc molted group. Egg yolk manganese and iron decreased during the third production cycle in zinc-molted group. Eggshell zinc decreased at the end of the second production cycle in the zinc-molted group, while eggshell copper increased at the peak of the second as well as third production cycles in fasting molted group.
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Oviposition
/
Zinc
/
Chickens
/
Molting
/
Eggs
Limits:
Animals
Language:
En
Journal:
J Anim Physiol Anim Nutr (Berl)
Journal subject:
CIENCIAS DA NUTRICAO
/
FISIOLOGIA
/
MEDICINA VETERINARIA
Year:
2009
Document type:
Article
Affiliation country:
Pakistan