J. Wichtel

发表

Ovulatory responses and plasma luteinizing hormone concentrations in dairy heifers after treatment with exogenous progesterone and estradiol benzoate.

D. Pfeiffer, D. Hanlon, N. Williamson, 1997, Theriogenology.

The effect of estradiol benzoate administration on estrous response and synchronized pregnancy rate in dairy heifers after treatment with exogenous progesterone.

D. Pfeiffer, D. Hanlon, N. Williamson, 1996, Theriogenology.

Selenium in milk and human health

J. Wichtel, C. Cobo-Ángel, A. Ceballos-Márquez, 2014 .

Milk selenium concentration and its association with udder health in Atlantic Canadian dairy herds.

H. Stryhn, H. Barkema, I. Dohoo, 2010, Journal of dairy science.

The selenium status of dairy herds in Prince Edward Island.

E. Spangler, G. Keefe, J. Wichtel, 2004, The Canadian veterinary journal = La revue veterinaire canadienne.

A review of selenium deficiency in grazing ruminants. Part 1: new roles for selenium in ruminant metabolism.

J. Wichtel, 1998, New Zealand veterinary journal.

A review of selenium deficiency in grazing ruminants. Part 2: towards a more rational approach to diagnosis and prevention.

J. Wichtel, 1998, New Zealand veterinary journal.

Seroprevalence of infection with Mycobacterium avium subspecies paratuberculosis, bovine leukemia virus, and bovine viral diarrhea virus in maritime Canada dairy cattle.

J. VanLeeuwen, G. Keefe, J. Wichtel, 2001, The Canadian veterinary journal = La revue veterinaire canadienne.

Barium selenate supplementation and its effect on intramammary infection in pasture-based dairy cows.

H. Barkema, I. Dohoo, J. Wichtel, 2010, Journal of dairy science.

Bulk tank milk selenium and its association with milk production parameters in Canadian dairy herds.

H. Stryhn, H. Barkema, I. Dohoo, 2012, The Canadian veterinary journal = La revue veterinaire canadienne.

Seroprevalence of production limiting diseases in Ontario and Maritime dairy cattle

J. VanLeeuwen, G. Keefe, J. Wichtel, 2000 .

Effect of copper supplementation on the copper status of pasture-fed young Thoroughbreds.

E. Firth, S. Pearce, J. Wichtel, 1998, Equine veterinary journal.

The selenium and vitamin E status of horses in Prince Edward Island.

H. Stryhn, J. McClure, J. Wichtel, 2010, The Canadian veterinary journal = La revue veterinaire canadienne.

Effect of selenium and lodine supplementation on growth rate and on thyroid and somatotropic function in dairy calves at pasture.

D. A. Freeman, N. Williamson, J. Wichtel, 1996, Journal of dairy science.

Effects of selenium and iodine supplementation on the growth rate, mohair production, and thyroid status of Angora goat kids

K. Thompson, N. Williamson, J. Wichtel, 1996 .

Effect of copper supplementation on copper status of pregnant mares and foals.

E. Firth, S. Pearce, J. Wichtel, 1998, Equine veterinary journal.

Effect of selenium and a-tocopherol supplementation on postpartum reproductive function of dairy heifers at pasture.

K. Thompson, N. Williamson, J. Wichtel, 1996, Theriogenology.

Alpha-tocopherol, selenium and polyunsaturated fatty acid concentrations in the serum and feed of spring-calving dairy heifers.

D. A. Freeman, N. Williamson, J. Wichtel, 1996, New Zealand veterinary journal.

The effect of intra-ruminal selenium pellets on growth rate, lactation and reproductive efficiency in dairy cattle.

N. Williamson, J. Wichtel, A. Craigie, 1994, New Zealand veterinary journal.

The association of serum β-hydroxybutyrate concentration with fetal number and health indicators in late-gestation ewes in commercial meat flocks in Prince Edward Island.

J. VanLeeuwen, S. McKenna, J. Rodríguez-Lecompte, 2018, Preventive veterinary medicine.

Meta-analysis of the effect of oral selenium supplementation on milk selenium concentration in cattle.

H Stryhn, H. Stryhn, H. Barkema, 2009, Journal of dairy science.

Serum glutathione peroxidase activity reflects short-term increases in selenium intake in goats.

K. Thompson, N. Williamson, J. Wichtel, 1996, New Zealand veterinary journal.

A longitudinal study of Neospora caninum infection on a dairy farm in New Zealand.

M. Reichel, D. Pfeiffer, W. Teague, 2002, Preventive veterinary medicine.

Effects of postpartum energy intake on pregnancy rates in beef cattle subjected to GnRH- or CIDR-based timed artificial insemination protocols

E. Charmley, J. Wichtel, G. Richardson, 2008 .

The association between bulk tank milk analysis for raw milk quality and on-farm management practices.

H. Stryhn, I. Dohoo, G. Keefe, 2010, Preventive veterinary medicine.

Comparison of the effects of PGF2α and bromocryptine in pregnant beagle bitches.

J. Wichtel, D. Yates, M. Whitacre, 1990 .

HS-SPME gas chromatographic characterization of volatile compounds in milk tainted with off-flavour

Henrik Stryhn, Ian R. Dohoo, J. Bosset, 2005 .

Reproductive performance of Holstein-Friesian cows differing genetically in live weight

J. Wichtel, D. Laborde, C. Holmes, 1998 .

Re-insertion of a progesterone-containing intravaginal device to synchronise returns to oestrus in dairy heifers.

D. Pfeiffer, D. Hanlon, N. Williamson, 1997, New Zealand veterinary journal.

Effects of selenium source on measures of selenium status and immune function in horses.

D. Horohov, J. McClure, J. Wichtel, 2012, Canadian journal of veterinary research = Revue canadienne de recherche veterinaire.

The effect of age on serum antibody titers after rabies and influenza vaccination in healthy horses.

H. Stryhn, J. McClure, D. Lunn, 2008, Journal of veterinary internal medicine.

Septicaemia and septic arthritis in a neonatal calf caused by Lactococcus lactis

D. Martin, J. Wichtel, S. Fenwick, 2003, Veterinary Record.

Risk factors for milk off-flavours in dairy herds from Prince Edward Island, Canada.

I. Dohoo, G. Keefe, J. Wichtel, 2004, Preventive veterinary medicine.

Geographical and temporal aspects of an outbreak of off-flavours in bulk-tank milk in Prince Edward Island, Canada.

J. Sanchez, J. Wichtel, A. Mounchili, 2006, Preventive veterinary medicine.

The Effects of Selenium Source on Measures of Selenium Status of Mares and Selenium Status and Immune Function of Their Foals

D. Horohov, J. McClure, J. Wichtel, 2012 .

The effect of age on the immune response of horses to vaccination.

H. Stryhn, J. McClure, D. Lunn, 2010, Journal of comparative pathology.

The reproductive performance of anoestrous dairy cows following treatment with progesterone and oestradiol prior to the start of mating

J. Wichtel, L. Burton, Z. Xu, 2000, New Zealand veterinary journal.

A qualitative study exploring the perceived effects of veterinarians' mental health on provision of care

A. Jones-Bitton, B. Gohar, J. Wichtel, 2023, Frontiers in Veterinary Science.

Termination of midterm pregnancy in mares using intra-allantoic dexamethasone

J. Wichtel, L. Evans, T. L. Clark, 1988 .

Evaluation of the Precision Xtra meter for monitoring blood β-hydroxybutyrate concentrations in late-gestation ewes

J. VanLeeuwen, S. McKenna, J. Rodríguez-Lecompte, 2018, Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc.

Comparison of food-animal veterinarians' and producers' perceptions of producer-centered communication following on-farm interactions.

D. Kelton, T. Duffield, J. Coe, 2021, The Veterinary record.

Investigating dairy goat kid mortality and associated risk factors: a scoping review

C. Bauman, J. Jansen, J. Wichtel, 2019 .

Evaluation of melengestrol acetate and equine chorionic gonadotropin for out-of-season breeding in sheep on Prince Edward Island.

G. Keefe, J. Wichtel, J. Wichtel, 2000, The Canadian veterinary journal = La revue veterinaire canadienne.

Relationships between equine airway reactivity measured by flowmetric plethysmography and specific indicators of airway inflammation in horses with suspected inflammatory airway disease.

J. Wichtel, A. Hoffman, D. Gómez, 2016, Equine veterinary journal.