The massive book "Roots" by Haley won a Pulitzer Prize for its account of several generations of an African-American family living in America, a family which Haley said was his own. The writer said he did years of research into his ancestors before writing the book, but doubt has been cast by historians onto the research and whether the man Haley claimed was his ancestor, Kunta Kinte, actually existed. In 1978, after the book was turned into a legendary miniseries, Haley was sued by author Harold Courlander, who said that passages of "Roots" were taken from his novel "The African." Haley said he did not plagiarize but admitted that some sections of "Roots" seemed to have originally appeared in "The African." "Alex Haley ... regrets that various materialspheromone produced by the queen honey bee, which has two functions: inhibition of queen rearing and suppression of oogenesis in workers and in addition attracts drones during nuptial flight. It has also been demonstrated that the urine of male mice, rats, feral species and other wild rodents contains a priming pheromone that is responsible for hastening puberty in the females. Pheromones in the wool, wax and urine of a ram are sufficient to stimulate ewes to ovulate, while the buck has a strong characteristic seasonal odor and a buck jar containing the odor of the buck can be used as an aid in the detection of oestrus in does. The mere presence of the boar at the time of insemination of the sow improves sperm transport and ovulation,