FGF2 Gene SNP Marker for Bovine Fertility Assessment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current genomic and genetic studies in livestock face challenges in identifying quantitative trait loci and genes affecting milk production, fertility, and health traits in dairy cattle, particularly due to the large number of provisional genes in QTL regions and declining reproductive performance in high-producing dairy cows.
Innovation Solution
The use of the fibroblast growth factor 2 (FGF2) gene as a genetic marker for identifying single nucleotide polymorphisms (SNPs) associated with embryonic survival and fertilization rates, allowing for genetic testing and marker-assisted selection to improve fertility and breeding practices in cattle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional progeny testing methods are used to evaluate bull fertility, then accurate fertility assessment can be achieved, but the cost and time requirements become excessively high
Solution Approach 1:
The patent applies preliminary action by performing genetic testing on young bulls immediately after birth or even before birth to identify fertility-related markers. This allows early selection of superior sires without waiting for traditional progeny testing, which requires waiting for live births and subsequent performance evaluation. The FGF2 gene marker analysis enables breeders to make informed decisions about which bulls to use for breeding programs much earlier in the process.
Solution Approach 2:
The patent extracts the essential fertility evaluation function from the complex traditional progeny testing process by identifying specific genetic markers (FGF2 gene SNPs) that correlate with fertility and embryonic survival. Instead of evaluating entire progeny performances over time, the invention isolates and tests for specific genetic variations that predict fertility outcomes, dramatically simplifying the assessment process while maintaining accuracy.
2Productivity
If traditional progeny testing is used to improve sires, then breeding quality can be enhanced, but the costs become prohibitively high
Solution Approach 1:
The patent employs cheap short-living objects by using simple genetic marker analysis (SNP testing of FGF2 gene) instead of expensive, long-duration progeny testing programs. The genetic test can be performed on a small DNA sample from a young bull and provides immediate results, eliminating the need for expensive maintenance of extensive progeny testing infrastructure and the cost of raising and evaluating numerous test animals over multiple generations.
Solution Approach 2:
The patent replaces the mechanical system of traditional progeny testing (which requires physical breeding, pregnancy monitoring, birth tracking, and performance evaluation over years) with a molecular biology-based genetic marker analysis system. By substituting the complex mechanical evaluation process with DNA sequencing and SNP detection, the invention dramatically reduces costs while maintaining or improving the accuracy of sire evaluation.
3Measurement precision
If comprehensive genetic testing is performed on all bulls, then fertility selection accuracy improves, but the complexity of the testing system increases
Solution Approach 1:
The patent extracts only the most relevant genetic information for fertility prediction by focusing on specific single nucleotide polymorphisms (SNPs) in the FGF2 gene that have been statistically associated with fertility and embryonic survival. Rather than sequencing entire genomes or testing all known fertility-related genes, the invention isolates and tests for specific marker variations, dramatically simplifying the testing system while maintaining high predictive accuracy.
Solution Approach 2:
The patent applies local quality by concentrating testing resources on specific, high-value genetic markers (FGF2 gene SNPs) that have proven statistical associations with fertility outcomes, rather than performing uniform comprehensive testing across all genomic regions. This targeted approach allows the testing system to achieve high accuracy by deeply analyzing specific loci rather than superficially scanning the entire genome.
Data Source
AI summary
Single nucleotide polymorphic site at position 11646 of the bovine FGF2 gene is associated with improved fertilization rate and/or improved embryo survival rate, as well as improved milk production. Also disclosed are nucleic acid molecules, kits, methods of genotyping and marker assisted bovine breeding methods.