AndersonNBremnerKC: 1983, Life cycle and pathogenesis of helminths of major economic importance. In: The epidemiology and control of gastrointestinal parasites of cattle of Australia, ed. AndersonNWallerPJ, pp. 23–34. Division of Animal Health, CSIRO, Australia.
2.
ArmourJOsboumeCP: 1982, Bovine ostertagiasis: A review and annotated bibliography. Misc Publ #7, Commonwealth Agricultural Bureaux, Slough, England.
3.
BlagbumBLHanrahanLAHendrixCMLindsayDS: 1987, Efficacy of fenbendazole-medicated feed blocks against gastrointestinal nematode infections in calves. Am J Vet Res48:1017–1018.
4.
BlissDH: 1982, Epidemiology and control of gastrointestinal parasitism in lactating, grazing adult dairy cows using a Morantel sustained release bolus. Vet Rec110: 141–144.
5.
BumgarnerSDBrauerMACorwinRM: 1986, Strategic deworming for spring calving beef cow/calf herds. J Am Vet Med Assoc198:427–430.
6.
CiordiaHBizzellWEBairdDM: 1964, Effect of rotational grazing systems on gastrointestinal nematodes in beef yearlings. Am J Vet Res25:1473–1478.
7.
CorwinRMBumgarnerSDGreenSMyersGH: 1989, Strategic deworming for control of Ostertagia ostertagi in Missouri cow/calf herds and stocker cattle. J Am Vet Med Assoc (in press).
8.
DargieJD: 1980, The pathophysiological effects of gastrointestinal and liver parasites in sheep. In: Digestive physiology and metabolism in ruminants, ed. RuckebuschYThivendP, pp. 249–374. AVI Publishing Company, Westport, CT.
9.
GibbsHC: 1980, Persistence on pasture of the infective larvae of nematodes parasitizing Maine dairy cattle. Am J Vet Res41: 1694–1695.
10.
GibbsHCHerdRP: 1986, Nematodiasis in cattle. Vet Clin North Am [Food Anim Pract]2:211–224.
11.
HammerbergB: 1986, Pathophysiology of nematodiasis in cattle. Vet Clin North Am [Food Anim Pract]2:225–234.
12.
HerdRPHeiderLE: 1980, Control of internal parasites in dairy replacement heifers by two treatments in the spring. J Am Vet Med Assoc177:51–54.
13.
KunkelJRMurphyWMRogersDDugdaleDT: 1983, Seasonal control of gastrointestinal parasites among dairy heifers. Bovine Pract18:54–57.
14.
LeaningWHD: 1984, Ivermectin as an antiparasitic agent in cattle. Mod Vet Pract65:669–672.
15.
MurrayM: 1969, Structural changes in bovine ostertagiasis associated with increased permeability of the bowel wall to macromolecules. Gastroenterology56:763–772.
16.
MyersGH: 1988, Strategies to control internal parasites in cattle and swine. J Anim Sci66: 1555–1564.
17.
ParkinsJJBairdenKArmourJ: 1982, Ostertagia ostertagi in calves: A growth, nitrogen balance and digestibility study conducted during winter feeding following thiabendazole anthelmintic therapy. J Comp Pathol92:219–227.
18.
RandallRWGibbsHC: 1981, Effects of clinical and subclinical gastrointestinal helminthiasis on digestion and energy metabolism in calves. Am J Vet Res42:1730–1734.
19.
SeibertBPGuerreroJNewcombKM: 1986, Seasonal comparisons of anthelmintic activity of levamisole pour-on in cattle in the USA. Vet Rec118:40–42.
20.
SlocombeJOD: 1974, Overwintering of bovine gastrointestinal nematodes in southwestern Ontario. Can J Comp Med38:90–93.
21.
SmealMG: 1982, Bases and approaches for control of nematodes in cattle. In: Biology and control of endoparasites, ed. SymonsLEADonaldADDineenJK, pp. 187–207. Academic Press, New York, NY.
22.
StringfellowF: 1977, Histochemical studies of abomasal tissue from calves with monospecific and dual species infection of Ostertagia ostertagi and Trichostrongylus axei. Proc Helminthol Soc Wash44:76–81.
23.
SykesARCoopRL: 1977, Intake and utilization of food by growing sheep with abomasal damage caused by daily dosing with Ostertagia circumcincta larvae. J Agric Sci88:671–677.
24.
TitchenDA: 1982, Hormonal and physiological changes in helminth infestations. In: Biology and control of endoparasites, ed. SymonsLEADonaldADDineenJK, pp. 257–275. Academic Press, New York, NY.
25.
UrquhartGMArmourJ: 1973, Helminth diseases of cattle, sheep and horses in Europe. Proc Workshop Vet Soc Univ Glasgow.
26.
WilliamsJC: 1986, Epidemiologic patterns of nematodiasis in cattle. Vet Clin North Am [Food Anim Pract]2:235–246.
27.
WilliamsJCCorwinRMCraigTMWescottRB: 1986, Control strategies for nematodiasis in cattle. Vet Clin North Am [Food Anim Pract]2:235–246.
28.
WilliamsJCKnoxJW: 1988, Epidemiology of Ostertagia ostertagi in warm temperate regions of the United States. Vet Parasitol27:23–38.
29.
WilliamsJCKnoxJWSheehanDSFuselierRH: 1979, Activity of fenbendazole against inhibited early fourth-stage larvae of Ostertagia ostertagi. Am J Vet Res40:1087–1090.
30.
YazwinskiTAPressonBLFeatherstoneME: 1985, Comparative anthelmintic efficacies of fenbendazole, levamisole and thiabendazole in cattle. Agric Pract6:4–8.