All About Split On Opaline Lovebird - Opaline is one of the favourite mutations of young and senior hobbyists; this article will explain the basic knowledge and learn some characteristics of opaline split lovebirds.
The mode of inheritance in opaline is Sex-Linked Recessive, so for some inexperienced people, it will be more complicated than autosomal recessive mutations, especially when dealing with "split" birds.
Explanation of Sex-linked recessive Agapornis fischeri opaline
"Sex-linked recessive" is the term used to describe a mutation or genetic trait located on the sex chromosomes and only appears if the individual has two copies of that recessive gene. In the case of a recessive sex-linked mutation, the gene is located on the X chromosome, and its effects are only seen in individuals who have two copies of the recessive gene (in females) or one copy of the recessive gene on their X chromosome (in males).
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As a reminder, "split" is used for Lovebirds that inherit only one copy of the recessive allele from the opaline parent. So phenotypically, these are birds with a Normal or non-opaline appearance.
In genetic science, the sign " / " symbolises "split." Henceforth, in this article, the sign " / " will also represent "split."
In autosomal recessive mutations, the cross between Mutant X Normal will get Normal chicks/Mutants, which can happen in both male and female chicks.
As for the Sex-Linked recessive mutation, you will get a "split" only in male chicks. While chicks are definitely Mutants.
For example, if you cross opaline X Green, you will get chicks Green/Opaline "male" and Green Opaline "female".
Likewise, when you work with "split" birds on Sex-Linked mutations, e.g. Green/Opaline X Green, you will get "male" Green/Opaline chicks and "female" Green Opaline chicks.
Even if there is a green phenotype that cannot inherit Opaline in later generations, it does not get a copy of the opaline allele from the parents and is a normal Green.
Knowing the Opaline "split" on the Phenotype
You can use the image guide above as an alternative to the Green Option Crossover Opaline X Green. Green/Opaline has a red pattern on the tail feathers that is wider than normal green; you can compare the images of numbers 2 and 3, which are wild-type tail feather patterns.
Figures 4 and 5 show a Green /Opaline with a wider pattern of tail feathers, especially on red patches.
Figure 1 shows a pattern of tail feathers from green/NSLino with a much narrower red spot. On the Green Opaline, the pattern of tail feathers will be completely red with a black stripe.
However, this method does not fully guarantee that the greens are entirely "split" Opaline. Of course, breeding tests are necessary to reach the relevant conclusions.
DNA sex is only necessary when you want to restrain a teenage chick that you are still unsure of in determining a male or female.
How to get a combination of opaline mutations
To get the Phenotype in the image, you must have birds with genetic Bleu1Blue2, Violet Factor, and Opaline. Work with split Opaline birds:
- 1.0 Green/Opaline/blue1 X 0.1 Blue1Blue2 SF Violet
- 1.0 Green SF Violet/Opaline/blue1 X 0.1 Blue1Blue2
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1.0 Green SF Violet/Opaline/blue1 X 0.1 Green/Blue1Blue2
And there are many more Crossover configurations that you can try as long as it has been a combination as above.
Knowing what a "split" is and how they work on the Opaline mutation will save time and finances.
A bird split transaction is a trust transaction! If you trust the seller/breeder, please buy the split bird. If you have doubts, then forget the transaction immediately.