Mia Patel
A chick hatching from the wrong side of its egg is a common issue that can be caused by a variety of factors. The wrong positioning of the chick in the egg, an abnormally hard shell, or a weak chick are some of the reasons why a chick may not be able to hatch from the correct side of the egg. In some cases, chicks may also hatch from the wrong side due to genetic malformations or issues with the incubator, such as incorrect humidity or temperature levels. While most chick malformations are not correctable, some issues can be prevented by ensuring proper incubator settings and flock nutrition.
| Characteristics | Values |
|---|---|
| Reasons for chicks hatching from the wrong side | Malpositioning in the egg, which can be caused by overheating or ineffective turning |
| Indicators of incorrect hatching | Black belly buttons, yellow or white colouring, matted and sticky down, malformed beaks, erratic pipping marks |
| Solutions | Adjust incubator settings, improve flock nutrition, ensure proper humidity and ventilation |
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What You'll Learn
Malpositioning in the egg
The proper position for a chick embryo is with its head under the right wing, facing towards the air cell in the larger end of the egg. This positioning allows the chick to pip and escape the shell. However, malpositioning can occur when eggs are not turned frequently enough or at the correct angle. The standard turning rate is once per hour through a 45-degree angle, assisting the embryo in achieving the correct position for hatching.
There are numerous malpositions that have been observed, with some embryos exhibiting only one form, while others experience combinations. The most common malposition, constituting almost 50% of cases, is when the chick's beak is positioned above the right wing. This is followed by the second most common malposition, where the feet are above the head, occurring in 20% of cases.
To prevent malpositioning, it is essential to ensure that eggs are set correctly, with the larger end up. Additionally, factors such as breeder hen age, shell quality, humidity, temperature, ventilation, and vitamin and mineral deficiencies can contribute to malpositioning and should be monitored and managed appropriately.
Hatching issues can be challenging to diagnose, and even under ideal conditions, approximately 1 in 250 chicks will have a deformity. However, by implementing corrective measures and closely monitoring embryo positioning and environmental factors, the incidence of malpositions can be reduced.
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Incorrect incubator temperature
To ensure the correct temperature, it is essential to use a reliable thermometer to monitor the incubator temperature accurately. The thermometer should be placed at the same height as the top of the eggs when they are lying horizontal. If the eggs are positioned vertically, the thermometer should be slightly below the top of the egg. This placement ensures the temperature is measured where the embryos develop. It is also important to check the thermometer's accuracy regularly by comparing it with a clinical or laboratory thermometer.
Incubators with automatic features, such as egg turning and fans, can help maintain a constant temperature. However, the type of incubator and its positioning also play a role. For example, a still-air incubator should be maintained at 102°F (38.9°C), while a forced-air incubator should be set to 100.5°F (38.1°C) to compensate for temperature layering. The ambient temperature of the room should also be considered, and drafts should be avoided.
In addition to temperature control, humidity is another critical factor in the hatching process. High humidity can slow down development, while low humidity can cause eggs to lose moisture too quickly, impacting the hatching time. Ideal humidity levels vary depending on the species, but for poultry and game birds, 40-50% relative humidity is recommended during incubation, increasing to at least 60% at hatching time.
Overall, maintaining the correct incubator temperature and humidity levels is crucial for successful chick hatching. By regularly monitoring and adjusting these factors, hatcheries can increase the chances of healthy and timely chick development.
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$3.79
Poor turning in the incubator
If the incubator is not turned properly, the chick's down may appear matted and sticky, indicating a turning issue during the first four to eight days of development. This can also cause the chick to develop upside down, with its beak under its left wing. In this case, the temperature in the incubator may also have been too low.
To prevent issues with turning, it is important to choose an appropriate incubator with the necessary features. The incubator should be placed in an area with steady ambient temperatures and no drafts. The temperature and humidity inside the incubator are critical factors for successfully hatching eggs, and the incubator should maintain a constant temperature and humidity level. The incubator's thermometer should be checked with a medical thermometer to ensure accuracy.
Additionally, it is important to only open the incubator when necessary, as doing so can affect the success of the hatch by letting heat and humidity escape. During the last three days of the incubation period, known as "lockdown," the humidity levels should be increased, and the eggs should not be turned as the chick will be moving into the proper hatching position.
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Deformities caused by breeding
Deformities in chicks can be caused by a variety of factors related to breeding, including:
Incorrect feeding of the breeder flock
This can result in poor-quality hatching eggs, leading to nutritional deficiencies in the developing embryo. For example, hens fed diets deficient in macro-nutrients such as proteins or micro-nutrients such as vitamins and minerals may produce embryos that exhibit nutritional deformities. Vitamin B1, B2 (riboflavin), and zinc deficiencies have been associated with specific deformities.
Inadequate incubator settings
Incubators that are too warm or too hot, with improper humidity, or inadequate ventilation can contribute to deformities. High temperatures during incubation have been linked to specific deformities such as exposed brains and missing eyes. Inconsistent temperatures during incubation can also cause leg deformities like spraddle leg.
Advancing breeder hen age and shell quality problems
Older hens may be more likely to produce eggs with shell quality issues, which can impact the embryo's ability to position itself correctly for hatching.
Inadequate egg turning frequency and angle
Eggs should be turned regularly through a minimum angle of 45 degrees to assist the embryo in positioning itself correctly for hatching. Inadequate turning can lead to malpositions, such as the common "beak above the right wing" position.
Genetic and inherited factors
Some deformities may be inherited traits passed down from parents, such as crooked toes, foot, and leg problems. Inbreeding can also increase the likelihood of deformities.
Environmental factors
Various environmental factors, such as lighting, body weight management, and strain of breeder, can impact the success of hatching and contribute to deformities.
It's important to note that the occurrence of deformities in a population is generally considered acceptable as long as it does not exceed a certain limit, typically around 0.22% to 0.30% of the total hatch. However, if the incidence of deformities is elevated, corrective measures should be implemented.
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Uncleanliness in the brooder
Malformations in chicks can be inherited traits or caused by improper incubator settings and flock nutrition. One common malformation is spraddle leg, which results from chicks hatching on smooth surfaces like newspaper or cardboard, causing their legs to splay outward. While spraddle leg can be treated, most other malformations are irreversible, and euthanasia may be considered to prevent suffering.
Infections can also arise from unclean conditions in the brooder. Unhealed navels, for example, can leave chicks vulnerable to bacterial infections from their environment. To prevent this, it is crucial to maintain optimal conditions in the incubator to ensure navels heal properly.
To maintain cleanliness in the brooder, frequent cleaning is necessary. This includes providing fresh food and water daily and cleaning the brooder every few days to prevent the accumulation of waste and bedding material. Some sources recommend using paper, paper towels, or pine shavings to line the brooder, which can be easily replaced to maintain hygiene.
Overall, uncleanliness in the brooder can have significant health consequences for chicks, and proper brooder maintenance is essential to ensure the health and well-being of the hatchlings.
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Frequently asked questions
There are several reasons why chicks might hatch from the wrong side. One reason could be that the chick developed upside down in the egg, indicating issues with overheating and ineffective turning in the incubator. Another reason could be that the chick was too big for its shell or hatched too early, causing it to turn the wrong way during development. Additionally, some chicks might have their feet stuck behind their heads, making it difficult for them to position themselves correctly for hatching.
If a chick is pipped but hasn't started unzipping after 18-24 hours, or if the exposed membrane around the pipping hole is drying out, it may be in trouble. A chick that has pipped the wrong end of the egg will likely need assistance to hatch successfully.
If you suspect a chick is having trouble, carefully chip away only the outer egg shell to establish a clear beak for breathing. Let the chick rest until the blood vessels recede, and then follow instructions for assisted hatching.
To prevent chicks from hatching from the wrong side, ensure that the incubator settings and flock nutrition are optimal. Maintain the correct temperature, humidity, and ventilation in the incubator, and provide a suitable surface for hatching to avoid malformations like spraddle leg.
