Gastrointestinal nematodes infect ruminant livestock throughout the world and are an important cause of disease and production loss. Since their invention, producers have heavily relied on broad spectrum anthelmintics to help control these parasites, however, intensive use has resulted in widespread resistance issues in nematode populations, especially Haemonchus contortus. Addressing the concerns of anthelmintic resistance, this book brings together research on management practices for co...

Da Vinci's greatest and most dangerous legacy…In the midst of a lovers' quarrel on a Venetian bridge, a pair of art thieves loses a priceless, stolen Lorraine cross to the canal's murky waters. Suspecting a connection between the cross, Joan of Arc and da Vinci, Annja Creed's former mentor, Roux, sends the archaeologist to oversee the search for the missing artifact. But someone else knows about the cross…knows enough to kill for it.Despite several vicious attacks during th...

It's the early days of the Mexican revolution. J. T. Latham is about to be killed by a Yuma Prison gang when an old nemesis, Deputy Del Buchman, intervenes. Latham will get a pardon if he uses his knowledge of the area and his experience with the Yaqui to guide Buchman's posse deep into the Sonoran desert to rescue rich man's kidnapped wife and children. The guerrilla general responsible wants machine guns for their safe return, but there is more to the ransom than guns. The trail is bound...