Every chicken farmer wants chicken to get bigger, too big to be afraid of chickens. Is there any way to control the size of eggs? Yes, as long as you know the factors that affect the size of the egg, and artificially control it, you can achieve the goal. There are several factors that affect the size of an egg.
First, feeding methods: Under the same environmental conditions, eggs raised in caged chickens are usually slightly larger than eggs raised in flat-raised chickens.
Second, the hen's maturity weight: usually the larger the hen's weight at the time of opening, the more eggs it produces in one life. To obtain larger eggs, do not use light stimulation to promote sexual maturity until the hens reach 1.5-1.6 kg body weight.
Third, the hen's opening age: The hen's opening age is related to the size of its eggs. In general, the sooner a chicken starts production, the smaller the eggs it produces and vice versa. Extending the hen's opening age can be achieved by delaying the extension of the light and controlling the weight of the hen.
Seasonality and temperature: The hens laid in the spring have a higher egg production rate than the hens that opened in the fall, but the egg weights are smaller. When the temperature of the laying house is above 27°C, the higher the temperature is, the smaller the eggs produced by the hens, and the temperature above 37°C can cause the hens to stop production or die.
V. Nutrition: The size of the eggs is also largely due to the influence of intake of crude protein, specific amino acids (such as methionine, cystine), energy, fats, and essential fatty acids (larodenic acid). Dietary protein levels can reduce egg weight. Decreasing the methionine content in the diet can reduce the egg weight, but it can also cause the egg production rate to drop. In addition, changes in the vitamin content of feed can also cause changes in egg weight. Researchers at the Ministry of Agriculture, Forestry, and Fisheries of the Ministry of Animal Husbandry found that the addition of linoleic acid in the diet of laying hens promoted an increase in egg weight. When the ratio of linoleic acid was increased to 2.83%, the egg weight was 59.6 g. If the eggs are too large, just add 5% taurine to the feed to reduce the egg weight by 1 gram.
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