Factors Affecting Eggshell Quality
Release time:
Jun 14,2018
Variety: In the same variety, the breakage rate of brown shell eggs is slightly lower than that of white shell eggs, and the breakage rate of pink shell eggs is the lowest.
Age: With the increase of chicken age, the egg weight also increases, but the eggshell is getting thinner and thinner. This is because the growth rate of eggshell is not as fast as that of egg contents, so the breakage rate of eggs also increases.
Temperature: when the temperature is higher than 31 ℃ ~ 32 ℃, the quality of eggshell will decrease due:
(1) High temperature led to a decrease in chicken feed intake (calcium). (2) The high temperature increases the respiration of chickens and discharges a large amount of CO2, resulting in insufficient calcium carbonate, the main raw material of eggshell.
Management:
(1) Egg collection problem: Due to the small number of egg collection times or unreasonable egg collection time arrangement, the eggs laid cannot be picked up on time, thus increasing the damage rate.
(2) Vaccination: During the laying period, the vaccine is planted indirectly. Due to the reaction of chickens to the vaccine, the egg production decreases, the eggshell quality decreases, and the egg breaking rate increases.
Nutrition: mainly the effects of calcium, phosphorus and vitamin D3: the absorption of calcium and phosphorus requires vitamin D3, so the lack of VD3 affects the absorption of calcium and phosphorus, resulting in a lack of calcium and phosphorus; excessive phosphorus can also affect the absorption of calcium.
Manganese also has an effect on the strength of the eggshell, and its insufficient amount reduces the strength.
Epidemics: Newcastle disease, infectious bronchitis, mold, infectious laryngotracheitis, etc. will reduce the thickness of eggshells, eggshell quality decline, broken egg rate increased.
Light: light time is too long, frequent hen activity will affect the eggshell calcification process, so that the broken egg rate increased.
Equipment: When the slope of the bottom of the chicken cage increases from 7 degrees to 11 degrees, the egg breaking rate increases, but when the slope is too small, the egg is not easy to roll out, and the egg breaking rate often increases due to chicken trampling.
Previous article
Previous article
More content
A
A
A
A
A
ANCHEE GROUP
TelPhone: 86-531-88771588
Fax: 86-531-88771898
E-mail: ac@anchee.com
Office address: Floor 25, Building 5, Lushang Guoao City, Lixia District, Jinan City, Shandong Province
