Search Results - "Bergfelt, Don R"

The ovine hepatic mitochondrial proteome: Understanding seasonal weight loss tolerance in two distinct breeds by Miller, Blake A, Chapwanya, Aspinas, Kilminster, Tanya, Scanlon, Tim, Milton, John, Osório, Hugo, Oldham, Chris, Greeff, Johan, Bergfelt, Don R, Campos, Alexandre M O, Almeida, André M

“…Seasonal weight loss (SWL) is a primary constraint for farmers in the Mediterranean and tropics. One cost-effective solution to SWL is utilizing breeds like…”
Get full text

Hematological and Biochemical Effects Associated with Prolonged Administration of the NSAID Firocoxib in Adult Healthy Horses by Ignácio, Fernanda Saules, Garcia, Luana Venâncio, de Souza, Giovanna Gati, Amatti, Lidiana Zanetti, de Barros, Luiz Daniel, Bergfelt, Don R, Camargo, Giovana Siqueira, de Meira, Cezinande, de Almeida, Breno Fernando Martins

“…Non-steroidal anti-inflammatory drugs (NSAIDs) represent one of the most commonly used classes of drugs in both human and veterinary medicine. However, many…”
Get full text

Structural and Functional Dynamics of the Ovary and Uterus during the Estrous Cycle in Donkeys in the Eastern Caribbean by Segabinazzi, Lorenzo G T M, Gilbert, Robert O, Ambrosia, Rachael L, Bergfelt, Don R, Samper, Juan C, Peterson, Erik W, French, Hilari M

“…Eight non-bred, non-pregnant, regularly cycling Caribbean jennies were examined daily via transrectal ultrasound to define the ovarian and uterine dynamics…”
Get full text

Evaluation of Stress Accompanying Immunocontraceptive Vaccination in Donkeys by Peterson, Erik W, Segabinazzi, Lorenzo G T M, Gilbert, Robert O, Bergfelt, Don R, French, Hilari M

“…The overpopulation of donkeys is recognized as a problem in many parts of the world. The main concerns with uncontrolled donkey populations are habitat…”
Get full text

Relaxin as a hormonal aid to evaluate pregnancy and pregnancy loss in bottlenose dolphins ( Tursiops truncatus ) by Bergfelt, Don R, Blum, Jason L, Steinetz, Bernard G, Steinman, Karen J, O’Brien, Justin K, Robeck, Todd R

“…Highlights • Relaxin increased after midpregnancy in dolphins with live births. • Relaxin increased after midpregnancy in dolphins with stillbirths but were…”
Get full text

Replicating necropsy data without lethal collections: using ultrasonography to understand the decline in northern fur seals by Testa, J. Ward, Adams, Gregg P., Bergfelt, Don R., Johnson, Devin S., Ream, Rolf R., Gelatt, Thomas S.

“…1. Many valuable contributions to the biology and conservation of harvested or previously harvested species have come from examination of specimens obtained by…”
Get full text

Mercury and selenium concentrations, and selenium:mercury molar ratios in small cetaceans taken off St. Vincent, West Indies by McCormack, Meaghan A., Fielding, Russell, Kiszka, Jeremy J., Paz, Valeria, Jackson, Brian P., Bergfelt, Don R., Dutton, Jessica

“…This study measured the concentration of total mercury (THg) and selenium (Se), and calculated the Se:Hg molar ratios in the muscle, blubber, liver, and kidney…”
Get full text

Evaluation of blastocyst re-expansion, quality in relation to storage temperature, and sexing using blastocoel fluid after manual perforation with a hand-held needle involving in vivo produced equine embryos by Camargo, Giovana Siqueira, de Barros, Luiz Daniel, Oliveira-Filho, José Paes, Bromberger, Cristiana Raach, Dias-Melicio, Luciane Alarcao, Alves dos Santos, Leandro, Bergfelt, Don R., Ferraz de Andrade, Erica Rodrigues, Canesin, Heloisa Siqueira, de Meira, Cezinande, Ignácio, Fernanda Saules

“…The present study was designed to evaluate equine blastocyst re-expansion rate, quality, and sex following perforation of the blastocoel, collection of…”
Get full text

Mind-body therapies: an intervention to reduce work-related stress in veterinary academia by Artemiou, Elpida, Gilbert, Gregory E, Callanan, Anne, Marchi, Silvia, Bergfelt, Don R

“…Studies investigating perceived stress and mindfulness awareness support mind-body therapy (MBT) effectiveness in reducing stress and anxiety and, thus, has…”
Get full text

Pairing ultrasonography with endocrinology to elucidate underlying mechanisms of successful pregnancy in the northern fur seal (Callorhinus ursinus) by Shero, Michelle R., Bergfelt, Don R., Testa, J. Ward, Adams, Gregg P.

“…•Stasis of the wild northern fur seal population is not due to loss of fecundity.•Pregnancy rate was high (96%) and pregnancy loss rate was low…”
Get full text

Longitudinal profiles of relaxin and progestagens during pregnancy, pregnancy loss and false pregnancy in the killer whale (Orcinus orca) by Robeck, Todd R., Blum, Jason L., Steinman, Karen J., Ratner, Jill R., Bergfelt, Don R., O'Brien, Justine K.

“…•Relaxin profiles during pregnancy in killer whales were described.•Relaxin increases 800% increase during the week prior to parturition.•Relaxin…”
Get full text

Relaxin: A hormonal aid to diagnose pregnancy status in wild mammalian species by Bergfelt, Don R., Peter, Augustine T., Beg, Mohd A.

“…In the beginning of 1960s, seminal studies characterizing circulating concentrations of immunoreactive relaxin in companion dogs and evaluating the differences…”
Get full text

Combining reproductive endocrinology and ROC analysis to identify changes with sex, age, and pregnancy status in botos Inia geoffrensis by Robeck, TR, Amaral, RS, Steinman, KJ, Blum, JL, Martin, AR, Montano, GA, Bergfelt, DR, da Silva, VMF

“…Reproductive hormone profiles were described against physical characteristics during growth and development in male and female botos (Amazon River dolphins…”
Get full text

Relaxin and progesterone during pregnancy and the post-partum period in association with live and stillborn calves in bottlenose dolphins ( Tursiops truncatus ) by Bergfelt, Don R, Steinetz, Bernard G, Lasano, Salamia, West, Kristi L, Campbell, Michelle, Adams, Gregg P

“…Research highlights ► A heterologous relaxin and progesterone RIA were successfully validated for bottlenose dolphins. ► Both hormones were detected in serum…”
Get full text

Thyroid hormone concentrations in relation to age, sex, pregnancy, and perinatal loss in bottlenose dolphins ( Tursiops truncatus ) by West, Kristi L, Ramer, Jan, Brown, Janine L, Sweeney, Jay, Hanahoe, Erin M, Reidarson, Tom, Proudfoot, Jeffry, Bergfelt, Don R

“…Highlights • Thyroid hormone concentrations were higher in juvenile dolphins compared to adults. • In dolphins, thyroid hormones were higher in early pregnancy…”
Get full text

Validation of a homologous canine relaxin radioimmunoassay and application with pregnant and non-pregnant Northern fur seals ( Callorhinus ursinus ) by Bergfelt, Don R, Steinetz, Bernard G, Dunn, J. Lawrence, Atkinson, Shannon, Testa, J. Ward, Adams, Gregg P

“…Abstract The primary objectives of this study were to validate a canine relaxin RIA for use in otariids and phocids and consider practical applications. For 6…”
Get full text

Interlaboratory Study Comparison of the 15-Day Intact Adult Male Rat Screening Assay: Evaluation of an Antithyroid Chemical and a Negative Control Chemical by Becker, Richard A., Bergfelt, Don R., Borghoff, Susan, Davis, Jeffrey P., Hamby, Bonnie T., O'Connor, John C., Kaplan, A. Michael, Sloan, Carol S., Tyl, Rochelle W., Wade, Michael, Marty, Mary Sue

“…Validation of the 15‐day intact adult male rat screening assay (IAMRSA), an endocrine activity screen, was extended beyond the 28 substances evaluated to date…”
Get full text

Follicular fluid and plasma concentrations of progesterone following hCG administration before ultrasound-guided ablation of dominant follicles ≥25mm in mares by Ignácio, Fernanda S, Bergfelt, Don R, Canesin, Heloisa S, Camargo, Giovana S, Lopes, Giulia VR, Monteiro, Gabriel A, Meira, Cezinande

“…Ultrasound-guided transvaginal follicle ablation of dominant follicles ≥25mm during the follicular phase results in luteinization and an increase in…”
Get full text

Induced ovulation and timed recovery of suitably sized embryos for transfer in mares by Lopes, Giulia V, Camargo, Giovana S, Sambi, Giovanna N, Assoni, Karina R, Denadai, Renan, Bergfelt, Don R, Canesin, Heloisa S, Monteiro, Gabriel A, Ignácio, Fernanda S

“…Studying the size of equine embryos recovered from uterine flushes 8-9d after ovulation has established that size and age of embryos post-ovulation are…”
Get full text

Equine blastocyst re-expansion rate, quality, and sex following embryonic collapse using needle perforation of blastocoel and subsequent PCR amplification of blastocoel DNA by Camargo, Giovana S, Meira, Cezinande, Bergfelt, Don R, Oliveira-Filho, José P., Bromberger, Cristiana R., Barros, Luiz D., Canesin, Heloisa S, Lopes, Giulia VR, Monteiro, Gabriel A, Ignácio, Fernanda S

“…Collapse of equine blastocysts following needle perforation of the blastocoel prior to vitrification (Ferris et al., Journal of Equine Veterinary Science…”
Get full text