Final answer:
Embryo Transfer is the method that involves using a superior female for enhancing herd genetics by transferring her embryos to other females in the herd.
Step-by-step explanation:
The method of breeding that utilizes a superior female to enhance the genetics of a herd is c) Embryo Transfer. This technique involves collecting embryos from a genetically superior female, commonly referred to as a donor, and transferring them into the reproductive tracts of other females, known as recipients, within the herd. Embryo transfer is an advanced reproductive technology and a part of the broader field of biotechnology which can be applied in animal breeding programs.
Unlike methods such as Artificial Insemination, Natural Breeding, or Line Breeding, embryo transfer specifically leverages the genetic potential of the superior female by allowing her to produce more offspring than would be possible through natural breeding cycles. Additionally, it can be combined with artificial selection, where humans actively select animals with desirable traits to reproduce, thereby enhancing the breeding program's efficiency and genetic gains.