This invention relates to a method of predicting pregnancy, particularly, in a cow, the method comprising taking a milk sample from the cow in which a milk progesterone concentration of >3 ng ml1 by Day 4 post insemination is indicative that the animal is pregnant. The plumbing fixture includes an inlet chamber defining a fluid inlet and in fluid communication with an inside chamber defining a fluid outlet. Then, a workload associated with the IO request is identified among the multiple workloads based on the response to the IO request. The tissue procurement solution reduces the bioburden on the stored tissue and preserves tissue architecture by minimizing tissue swelling. The system can also include a query interface to the unified repository through which queries are applied to the test management artifact data stored within the unified repository. The set of local optical pulses are amplified by an optical amplifier to form a significantly amplified first local optical pulse that is removed from the set of local optical pulses and output.