Доктор Чжан Ивэнь

Why does DNA sexing for African Grey parrots sometimes cost more than for other parrots? As a laboratory manager who has handled thousands of avian DNA samples, I’d like to explain this question from a practical, technical, and industry perspective, rather than from marketing claims. What Do People Really Want to Know When Searching “African … Читать далее

How to Do DNA Gender Testing in Birds using Electrophoresis Protocol? Birds DNA gender testing is one of the most reliable and non-invasive methods for breeders, исследователи, and bird enthusiasts. Electrophoresis is a key step in confirming the results of PCR-based bird sexing tests. In this guide, we explain a detailed, step-by-step electrophoresis protocol for … Читать далее

How to Sex a Budgie Bird? Budgies (also known as parakeets) are one of the most popular pet birds in the world, thanks to their vibrant personalities, bright feathers, and ability to mimic sounds. But when it comes to determining whether your budgie is male or female, things can get tricky—especially for young birds or … Читать далее

To sex a conure bird can be confusing, especially if you’re relying on physical traits alone. Here we will walk you through traditional and modern methods—especially DNA testing—for accurately determining the sex of your bird. Whether you’re a pet owner, breeder, or bird enthusiast, you’ll find practical tips and expert-backed information here. 1. What Is … Читать далее

If you’ve ever tried to determine the sex of your pigeon just by looking—trust us, you’re not alone. At SENO Bird Sexing Lab, we’ve worked with thousands of pigeon breeders, hobbyists, and researchers who struggled to reliably identify male from female pigeons using visual cues alone. В этом блоге, we’ll walk you through the two … Читать далее

When working with genetic material like DNA, choosing the right extraction method is crucial. В этой статье, we will walk you through two key parts: What is TRIzol DNA extraction and how is it used? How do we extract pigeon DNA for testing—and why do we use an alternative method that’s faster and more practical? … Читать далее

Pigeon Rotavirus PCR: The Fast and Reliable Way to Detect Viral Infections in Your Birds Pigeons—whether racing, show, or homing birds—play a significant role in many people’s lives. Keeping them healthy is essential. In recent years, rotavirus has become a growing concern in pigeon flocks. This virus spreads quickly and can cause vomiting, diarrhea, и … Читать далее

1. PCR vs ELISA: Principles and Comparison in Bird Testing 1.1 ПЦР (Полимеразная цепная реакция) PCR is a molecular biology technique used to amplify specific DNA or RNA sequences. Its core principle involves denaturation of DNA, primer annealing, and extension by DNA polymerase through thermal cycling, resulting in exponential amplification of target sequences (Mullis & … Читать далее

How Much is a DNA Test？ The Breakdown of DNA test cost. 1. Overview and Background In today’s rapidly advancing biotechnological landscape, DNA testing has become fundamental in fields ranging from medicine and agriculture to environmental monitoring. Our laboratory, based in China, has carved out a niche in offering affordable, high-quality DNA testing services with … Читать далее

If you have a DNA test kit in hand, you might wonder: Do DNA tests expire? The answer is—it depends on the sample and storage conditions! But before you throw away your test kit, let’s break down everything from what DNA is to how DNA tests work and whether they expire. What Is DNA? Think … Читать далее