Which breed became prolific from abandoned flocks due to drought or lack of profit?

The Australian Goat breed is known for becoming prolific in numbers after many flocks were abandoned due to drought conditions or financial difficulties faced by ranchers. This phenomenon is tied to the breed's hardiness and adaptability to arid environments, which allowed them to thrive even in less-than-ideal circumstances. As ranchers faced challenges like drought, they sometimes chose to abandon their flocks, which then led to a situation where the remaining goats could reproduce and grow in numbers without the pressures of commercial farming.

In contrast, Angora, British Alpine, and LaMancha goats traditionally have different circumstances surrounding their populations. While they each have unique traits and features, they did not experience the same level of prolific growth under conditions of neglect or abandonment as observed with the Australian goats during periods of adversity. The Australian Goat's ability to adapt in tough climates and to multiply effectively in the absence of human management marks it as particularly notable in the context of flocks abandoned due to drought or economic hardship.