Extension of the peak of laying the technical measures – Aquaculture industry –
A selection of quality day-old chicks
Day-old chicks from a reputable breeder of large formal order, this kind of farm technology is strong. Breeder normal feeding and management, incubation specification. Hatched chicks hair shining in the net. Size suitable weight, umbilical healed well, mentally alert, responsive, crisp sounds, hand to hand was full of strong, shiny calf, shin toe bright color. Perfect for chicken immunization. Chickens have a strong maternal antibodies, some of the vertical transmission of the disease by the egg has been purified. And their transportation properly, and good after service. Farmers must not covet cheap, poor-quality chicks order, otherwise no end of trouble.
2 brood important compliance of body
According to trial, 5 weeks of age body weight and egg production performance of major economies was a significant positive correlation, because of weight gain in early organ development organizations, mainly chick weight, indicating that chicken tissues and organs of perfect physical strength, on Laying performance and adult survival rate has a positive impact. Chickens growth and development is very fast, but the digestive capacity of small, poor digestion. Therefore, we must supply high-quality, easily digestible feed. To meet the weight, production practices commonly used in chicken feed fed chicken meat, 4? 5 weeks after the gradual transition to egg chicken feed, it is generally fed with 5 weeks of age body weight to reach the targets for the development of high yielding flocks laid a good basis.
3 grower phase of body weight and uniformity to compliance
Grower phase, chicken mortality rate is very low, without egg, it is easy to overlook this phase of the feeding and management, the results developed into low-yielding flocks. Now every week-old chicken breeds have different standards of weight. Chicken farmers (field) must obtain this information from the kinds of farms. Sampling every 1-2 weeks, weighing 1 to calculate the average weight and standard weight contrast, if the difference between the larger, should adjust the feed quality or feed Feeding Amount, do not wait until the late bred surprise increase body weight, when fat is mainly deposited . Instead of the egg negative. Grower group uniformity is significantly affected laying performance of key indicators. Practice shows that the higher uniformity of grower groups, reaching peak egg production sooner to maintain the peak time is longer, the more eggs the size uniformity, the lower leg of the hen died. Therefore, when weighing each sample to calculate uniformity, the uniformity of general demands high chickens over 80%. Production, if uniformity is low, the reasons should be timely analysis and timely correction. In addition, uniformity must be established within the standard weight, standard weight from about uniformity is meaningless.
4 when do a good job keeping open production management
Small hen production should be open scientific feeding and management, timely and open to production, quickly reached its peak. Production of special attention to two problems: timely replacement diet, cut open a small hen weight capacity is increasing, while rising quickly on laying rate, nutrient needs are great. Therefore, the production should be 17? 18 weeks of age to replace the expected chicken feed, egg production rate of 5%, the peak of egg production would gradually replace feed for egg-laying rates. timely start to add light, increasing light to pungent mature, open production in chickens. Additional light is generally not started earlier than 18 weeks of age, not later than 20 weeks of age. When the body weight to body weight at the opening of the species began to increase when the light is appropriate. If the credit to early, not mature physically small hen on egg production, egg production continued to poor, in particular the maintenance of peak egg production is not long. Credit to the range of 0.5-1.0 hours per week, up to 16 hours per day to light up.
5 egg stage to prevent the peak stress
Peak egg production is good production performance of laying hens Jinchu play a critical stage, from egg Curve, then if a sudden drop in egg production rate, it is hard to return to normal levels, thus affecting the production throughout the laying period egg volume. Layers at this stage extremely sensitive to environmental change, prone to sudden drop in egg production rate stress Er Shi. The main factors causing stress in chickens are cold, heat, disease, abnormal noise, poor ventilation, sudden feed changes, strangers or other animals to enter Korea and so on caused panic group. This phase should be free feed can not be restricted feeding, and thus as long as possible to maintain egg production peak.
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