Search Results - "McGowan, M.R"

The effect of day-only versus day-plus-night cooling of dairy cows by Gaughan, J.B., Sharman, K., McGowan, M.R.

“…The aim of this study was to assess effects on milk yield (MY), rumen temperature, and panting score when lactating dairy cows were cooled during the day only…”
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Live weight accounting for beef cow management by Fordyce, G., Smith, D.R., McGowan, M.R, McCosker, K.D.

“…•Live weight production is a primary beef cattle business measure directly indicating income.•Cows extract finite energy from a pasture for the combined…”
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mRNA expression of prostaglandin E receptors EP₂ and EP₄ and the changes in glycosaminoglycans in the sheep cervix during the estrous cycle by Kershaw-Young, C.M, Khalid, M, McGowan, M.R, Pitsillides, A.A, Scaramuzzi, R.J

“…Transcervical artificial insemination in sheep is limited by the inability to completely penetrate the cervix with an inseminating pipette. Penetration is…”
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effect of estradiol on COX-2, EP₂, and EP₄ mRNA expression and the extracellular matrix in the cervix of the hypogonadotrophic, ovariectomized ewe by Kershaw-Young, C.M, Scaramuzzi, R.J, McGowan, M.R, Pitsillides, A.A, Wheeler-Jones, C.P.D, Khalid, M

“…There is a degree of cervical relaxation in the ewe at estrus that is regulated by changes in prostaglandin synthesis, prostaglandin receptor expression, and…”
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Pregnancy rates after fixed-time artificial insemination of Brahman heifers treated to synchronize ovulation with low-dose intravaginal progesterone releasing devices, with or without eCG by Butler, S.A.A., Atkinson, P.C., Boe-Hansen, G.B., Burns, B.M., Dawson, K., Bo, G.A., McGowan, M.R.

“…The objective was to determine whether eCG in an ovulation synchronization protocol with an intravaginal progesterone (P 4)-releasing device (IPRD) containing…”
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Follicle stimulating hormone secretion and dominant follicle growth during treatment of Bos indicus heifers with intra-vaginal progesterone releasing devices, oestradiol benzoate, equine chorionic gonadotrophin and prostaglandin F2α by Edwards, S.A.A, Phillips, N.J, Boe-Hansen, G.B, Bo, G.A, Burns, B.M, Dawson, K, McGowan, M.R

“…The aim of this study was to investigate the effects on follicle stimulating hormone (FSH) secretion and dominant follicle (DF) growth, of treatment of Bos…”
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Ovarian responses in Bos indicus heifers treated to synchronise ovulation with intravaginal progesterone releasing devices, oestradiol benzoate, prostaglandin F₂α and equine chorionic gonadotrophin by Butler, S.A.A, Phillips, N.J, Boe-Hansen, G.B, Bo, G.A, Burns, B.M, Dawson, K, McGowan, M.R

“…The objectives were: (i) improve understanding of the ovarian responses of Bos indicus heifers treated with different ovulation synchronisation protocols, (ii)…”
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Relationships among calving season, heat load, energy balance and postpartum ovulation of dairy cows in a subtropical environment by Jonsson, N.N., McGowan, M.R., McGuigan, K., Davison, T.M., Hussain, A.M., Kafi, M., Matschoss, A.

“…The study was designed to examine the relationships among calving season, energy balance, temperature humidity index (THI), and postpartum ovulation in high…”
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The effect of bovine pestivirus infection on the superovulatory response of Friesian heifers by Kafi, M., McGowan, M.R., Kirkland, P.D., Jillella, D.

“…The pathogenesis of reproductive loss associated with bovine pestivirus infection during the preovulatory period was investigated using superovulated heifers…”
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Seminal plasma proteome of electroejaculated Bos indicus bulls by Rego, J.P.A., Crisp, J.M., Moura, A.A., Nouwens, A.S., Li, Y., Venus, B., Corbet, N.J., Corbet, D.H., Burns, B.M., Boe-Hansen, G.B., McGowan, M.R.

“…The present study describes the seminal plasma proteome of Bos indicus bulls. Fifty-six, 24-month old Australian Brahman sires were evaluated and subjected to…”
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Seminal plasma proteins and their relationship with percentage of morphologically normal sperm in 2-year-old Brahman (Bos indicus) bulls by Boe-Hansen, G.B., Rego, J.P.A., Crisp, J.M., Moura, A.A., Nouwens, A.S., Li, Y., Venus, B., Burns, B.M., McGowan, M.R.

“…•Fifty-six 2-year-old Australian Bos indicus Brahman bulls were electroejaulated.•Seminal plasma proteins were associated with morphologically normal sperm…”
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Seminal plasma protein profiles of ejaculates obtained by internal artificial vagina and electroejaculation in Brahman bulls by Rego, J.P.A., Moura, A.A., Nouwens, A.S., McGowan, M.R., Boe-Hansen, G.B.

“…The present study was conducted to investigate if differences exist in the seminal plasma protein profile from mature Brahman bulls using two methods of semen…”
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The anatomy of the sheep cervix and its influence on the transcervical passage of an inseminating pipette into the uterine lumen by Kershaw, Claire M., Khalid, Muhammad, McGowan, Michael R., Ingram, Kate, Leethongdee, Sukanya, Wax, Gabriele, Scaramuzzi, Rex J.

“…The anatomy of the sheep cervix is highly variable between animals and may explain the differing success of transcervical AI between individuals. This study…”
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Ovarian dynamics in response to two modified intravaginal progesterone releasing device and oestradiol benzoate based ovulation synchronisation protocols designed for use in Brahman heifers by Edwards, S.A.A., Atkinson, P.C., Satake, N., Boe-Hansen, G., McGowan, M.R.

“…The objective was to investigate the ovarian response of Brahman heifers to two modified ovulation synchronisation protocols developed to increase the…”
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Comparison of the pregnancy rates and costs per calf born after fixed-time artificial insemination or artificial insemination after estrus detection in Bos indicus heifers by Edwards, S.A.A., Bo, G.A., Chandra, K.A., Atkinson, P.C., McGowan, M.R.

“…This study compared pregnancy rates (PRs) and costs per calf born after fixed-time artificial insemination (FTAI) or AI after estrus detection (i.e., estrus…”
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A field investigation of a modified intravaginal progesterone releasing device and oestradiol benzoate based ovulation synchronisation protocol designed for fixed-time artificial insemination of Brahman heifers by Edwards, S.A.A., Boe-Hansen, G.B., Satake, N., Chandra, K., McGowan, M.R.

“…•A modified ovulation synchronisation protocol for Brahman heifers is investigated.•Outcomes are assessed over multiple cohorts of Brahman heifers.•A practical…”
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Ovarian responses in Bos indicus heifers treated to synchronise ovulation with intravaginal progesterone releasing devices, oestradiol benzoate, prostaglandin F 2α and equine chorionic gonadotrophin by Butler, S.A.A., Phillips, N.J., Boe-Hansen, G.B., Bo, G.A., Burns, B.M., Dawson, K., McGowan, M.R.

“…The objectives were: (i) improve understanding of the ovarian responses of Bos indicus heifers treated with different ovulation synchronisation protocols, (ii)…”
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The effect of estradiol on COX-2, EP 2, and EP 4 mRNA expression and the extracellular matrix in the cervix of the hypogonadotrophic, ovariectomized ewe by Kershaw-Young, C.M., Scaramuzzi, R.J., McGowan, M.R., Pitsillides, A.A., Wheeler-Jones, C.P.D., Khalid, M.

“…There is a degree of cervical relaxation in the ewe at estrus that is regulated by changes in prostaglandin synthesis, prostaglandin receptor expression, and…”
Get full text

The mRNA expression of prostaglandin E receptors EP 2 and EP 4 and the changes in glycosaminoglycans in the sheep cervix during the estrous cycle by Kershaw-Young, C.M., Khalid, M., McGowan, M.R., Pitsillides, A.A., Scaramuzzi, R.J.

“…Transcervical artificial insemination in sheep is limited by the inability to completely penetrate the cervix with an inseminating pipette. Penetration is…”
Get full text

Isolation of Leptospira interrogans serovars hardjo and zanoni from a dairy herd in north Queensland by McClintock, C S, McGowan, M R, Corney, B G, Colley, J, Smythe, L, Dohnt, M, Woodrow, M

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