Management points of laying hens during laying period

The laying period of commercial laying hens can be roughly divided into three stages: early laying, mid-laying, and late laying. Feeding feeds with different nutritional levels at each stage can not only meet their egg production needs but also improve the egg production rate.

1.Early stage of laying eggs

The time is from the start of laying to the peak of egg production (40 weeks old), and the egg production rate is more than 80%. , to 40 weeks of age still more than 80%) during this period, the nutritional content of protein, calcium, and other nutrients in the diet should increase with the growth of the egg production rate of the flock.

Feed ratio suggestion: the crude protein content of the feed for light-laying hens should be 18%, the metabolism should be 2860 kcal/kg (29~35 degrees Celsius should be reduced to 2640 when it is hot; 10~13 degrees Celsius should be increased to 3080 kcal/kg), calcium content The content is 3.2% and 3.4% when hot. The daily consumption of each chicken is 105g. Make sure to eat more than 18.9g of protein.

2.Mid-laying period

That is, for a period after the peak of egg production, the egg production rate is 70% to 80%; (40 to 60 weeks old) during this period, the nutritional content of protein, calcium, and other nutrients in the diet should change with the egg production rate of the flock.

Feed ratio suggestion: the crude protein content of the diet for light-laying hens should be 16.5%, the metabolism should be 2860 kcal/kg, (same as the previous period), the calcium content of 10~13 degrees Celsius should be 3.0%, the calcium content of 18~21 degrees Celsius should be 3.2%, and the calcium content of 29~ The calcium content of 35 degrees Celsius is 3.2%, and the calcium content of 29 to 35 degrees Celsius is 3.4%. The daily consumption of each chicken is 104g. Make sure to eat more than 17.2g of protein.

3.Late stage of egg production

The egg production rate is less than 70%. (after 60 weeks of age). During this period, the nutritional content of protein and calcium in the diet should change with the increase or decrease of the egg production rate of the flock.

Feed ratio suggestion: light layer hen diet: when the temperature is 10~13 degrees Celsius, the protein content is 14%, the metabolism is 3080 kcal/kg, and the calcium is 3.2%. When the temperature is 18~21 degrees Celsius, the crude protein content should be 15%. 2860 kcal/kg, calcium 3.4%, protein content 16% at 29-35 degrees Celsius, metabolism 2640 kcal/kg, calcium 3.7%. The daily consumption of each material is 99g. Make sure to eat more than 14.9g of protein.

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