Search Results - "RHODES, F. M"

Invited review: New perspectives on the roles of nutrition and metabolic priorities in the subfertility of high-producing dairy cows by Chagas, L M, Bass, J J, Blache, D, Burke, C R, Kay, J K, Lindsay, D R, Lucy, M C, Martin, G B, Meier, S, Rhodes, F M, Roche, J R, Thatcher, W W, Webb, R

“…Management, nutrition, production, and genetics are the main reasons for the decline in fertility in the modern dairy cow. Selection for the single trait of…”
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Invited review: Treatment of cows with an extended postpartum anestrous interval by Rhodes, F M, McDougall, S, Burke, C R, Verkerk, G A, Macmillan, K L

“…Cows with an extended interval from calving to first ovulation (PPI) have increased intervals from calving to conception and are more likely to be culled…”
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Precalving effects on metabolic responses and postpartum anestrus in grazing primiparous dairy cows by Chagas, L M, Rhodes, F M, Blache, D, Gore, P J S, Macdonald, K A, Verkerk, G A

“…The effect of increased access to pasture feeding during the last 6 wk of gestation on metabolic responses and postpartum anestrous interval was investigated…”
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Toward the improvement of total nitrogen deposition budgets in the United States by Walker, J.T., Beachley, G., Amos, H.M., Baron, J.S., Bash, J., Baumgardner, R., Bell, M.D., Benedict, K.B., Chen, X., Clow, D.W., Cole, A., Coughlin, J.G., Cruz, K., Daly, R.W., Decina, S.M., Elliott, E.M., Fenn, M.E., Ganzeveld, L., Gebhart, K., Isil, S.S., Kerschner, B.M., Larson, R.S., Lavery, T., Lear, G.G., Macy, T., Mast, M.A., Mishoe, K., Morris, K.H., Padgett, P.E., Pouyat, R.V., Puchalski, M., Pye, H.O.T., Rea, A.W., Rhodes, M.F., Rogers, C.M., Saylor, R., Scheffe, R., Schichtel, B.A., Schwede, D.B., Sexstone, G.A., Sive, B.C., Sosa Echeverría, R., Templer, P.H., Thompson, T., Tong, D., Wetherbee, G.A., Whitlow, T.H., Wu, Z., Yu, Z., Zhang, L.

“…Frameworks for limiting ecosystem exposure to excess nutrients and acidity require accurate and complete deposition budgets of reactive nitrogen (Nr). While…”
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Pregnancy loss in dairy cattle in the Waikato region of New Zealand by McDougall, S, Rhodes, FM, Verkerk, GA

“…AIM: To define the incidence rate of pregnancy loss and risk factors for those losses in pasture-fed dairy cattle in the Waikato region of New Zealand…”
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Gonadotrophin responsiveness, aromatase activity and insulin-like growth factor binding protein content of bovine ovarian follicles during the first follicular wave by Rhodes, FM, Peterson, AJ, Jolly, PD

“…The aim of this study was to examine the function of granulosa cells and hormone concentrations in follicular fluid in bovine ovarian follicles during…”
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Effect of treatment with progesterone and oestradiol benzoate on ovarian follicular turnover in postpartum anoestrous cows and cows which have resumed oestrous cycles by Rhodes, F.M., Burke, C.R., Clark, B.A., Day, M.L., Macmillan, K.L.

“…Two experiments were carried out to determine the effect of a low dose of progesterone (P) with and without the addition of an injection of oestradiol benzoate…”
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Sequential changes in ovarian follicular dynamics in Bos indicus heifers before and after nutritional anoestrus by Rhodes, F M, Fitzpatrick, L A, Entwistle, K W, De'ath, G

“…This study examined the effects of live mass on ovarian follicular dynamics in heifers before and after the onset of nutritional anoestrus. The effects of…”
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Factors affecting conception and expression of oestrus in anoestrous cows treated with progesterone and oestradiol benzoate by McDougall, S., Blache, D., Rhodes, F.M.

“…Nutrient balance affects the resumption of ovarian cyclic activity following calving in dairy cattle. However, few data are available about the relationships…”
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Changes in ovarian function and gonadotropin secretion preceding the onset of nutritionally induced anestrus in Bos indicus heifers by RHODES, F. M, ENTWISTLE, K. W, KINDER, J. E

“…The aim of this study was to monitor endocrine and ovarian changes immediately preceding the onset of nutritionally induced anestrus. Daily blood samples were…”
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Evaluation of three synchrony programs for pasture-based dairy heifers by McDougall, S, Rhodes, F.M, Compton, C.W.R

“…The objective was to evaluate the efficacy and economic benefits of three synchrony programs in 1137 heifers from 10 pasture-based dairy herds. Heifers were…”
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Effect of dietary intake on steroid feedback on release of luteinizing hormone in ovariectomized cows by Rhodes, F M, Chagas, L M, Clark, B A, Verkerk, G A

“…This study tested the hypothesis that the decline in pulsatile release of luteinizing hormone (LH), resulting from steroid negative feedback, is greater in…”
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Hormone concentrations in the caudal vena cava during the first ovarian follicular wave of the oestrous cycle in heifers by Rhodes, F M, Fitzpatrick, L A, Entwistle, K W, Kinder, J E

“…Changes in pulsatile secretion of LH, FSH, oestradiol and progesterone were related to the growth phase, early plateau phase and regression phase of the first…”
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Detection of a corpus luteum in apparently anoestrous cows by manual palpation, transrectal ultrasonography and plasma progesterone concentration by McDougall, S., Rhodes, F.M.

“…Aims. To determine the level of agreement between transrectal ultrasonography, manual palpation and measurement of progesterone in the detection of corpora…”
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A model of follicular development and ovulation in sheep and cattle by Soboleva, T.K, Peterson, A.J, Pleasants, A.B, McNatty, K.P, Rhodes, F.M

“…A dynamic model to describe ovarian follicular development following commitment has been developed. It identifies follicular growth with oestradiol production…”
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Supplementing treated anoestrous dairy cows with progesterone does not increase conception rates by Rhodes, FM, McDougall, S, Morgan, SR, Verkerk, GA

“…Aim: To determine whether conception rates of anoestrous dairy cows treated with progesterone and oestradiol benzoate (ODB) could be increased by treating them…”
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The inter-ovarian distribution of dominant follicles is influenced by the location of the corpus luteum of pregnancy by Nation, D.P, Burke, C.R, Rhodes, F.M, Macmillan, K.L

“…The objective was to characterise the distribution of dominant ovarian follicles in the early post-partum period in relation to the side of the preceding…”
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Insemination at the second of two induced oestrous periods in anoestrous dairy cows increases conception rates to first service by Rhodes, F.M., Clark, B.A., McDougall, S., Macmillan, K.L.

“…Aim. To determine whether mating previously anoestrous cows on their second, rather than first, oestrus post partum could increase conception rates to that…”
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Acoustic reflectometry in the detection of middle ear effusion by LAMPE, R. M, WEIR, M. R, SPIER, J, RHODES, M. F

“…Acoustic reflectometry, a new technique for detecting middle ear effusion, was compared with results from tympanocentesis or myringotomy in 75 patients (141…”
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Treatment of anovulatory anoestrous postpartum dairy cows with a gonadotropin-releasing hormone (GnRH), prostaglandin F2 alpha, GnRH regimen or with progesterone and oestradiol benzoate by McDougall, S, Cullum, A A, Annis, F M, Rhodes, F M

“…To compare 2 treatments for anovulatory anoestrus (AA) in postpartum dairy cows. The treatments were combinations of gonadotropin-releasing hormone (GnRH) and…”
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