Search Results - "Flint, A.P.F"

Precision animal breeding by Flint, A.P.F, Woolliams, J.A

“…We accept that we are responsible for the quality of life of animals in our care. We accept that the activities of man affect all the living things with which…”
Get full text

Incidence and treatment of inadequate postovulatory progesterone concentrations in repeat breeder cows by Kendall, N.R., Flint, A.P.F., Mann, G.E.

“…The incidence of low day 5 milk progesterone in dairy cows has been investigated and the efficacy of treating the problem assessed. The incidence of inadequate…”
Get full text

Genetic and phenotypic relationships among endocrine and traditional fertility traits and production traits in Holstein-Friesian dairy cows by Royal, M D, Flint, A P F, Woolliams, J A

“…The objective of this study was to estimate the heritability of a number of traditional and endocrine fertility traits in addition to d-56 predicted milk yield…”
Get more information

Genetic analysis of postpartum measures of luteal activity in dairy cows by Petersson, K-J, Berglund, B, Strandberg, E, Gustafsson, H, Flint, A P F, Woolliams, J A, Royal, M D

“…The objective of this study was to estimate genetic parameters for measures of luteal activity during the first 60 d postpartum. Analyses were made with…”
Get more information

Strategies for Reversing the Trend Towards Subfertility in Dairy Cattle by ROYAL, M., MANN, G.E., FLINT, A.P.F.

“…The calving rate of the modern dairy cow is declining at approximately 1%per annum. First service conception rates are now below 40%, and the average cow…”
Get full text

Genetic variation of metabolite and hormone concentration in UK Holstein-Friesian calves and the genetic relationship with economically important traits by Hayhurst, C, Flint, A P F, Løvendahl, P, Woolliams, J A, Royal, M D

“…The decline of dairy cattle fertility worldwide remains a major concern, with conception rates to first service commonly below 40%. The length and severity of…”
Get more information

Interferon sequence homology and receptor binding activity of ovine trophoblast antiluteolytic protein by Stewart, H J, McCann, S H, Barker, P J, Lee, K E, Lamming, G E, Flint, A P

“…Sequencing of the 40 N-terminal amino acids of the blastocyst protein responsible for blocking corpus luteum regression in early pregnancy in sheep revealed a…”
Get more information

Blastocyst Development and Conceptus Sex Selection in Red DeerCervus elaphus:Studies of a Free-Living Population on the Isle of Rum by Flint, A.P.F., Albon, S.D., Jafar, S.I.

“…Skewing of the sex ratio at birth occurs in red deer in response to dominance status, with dominant hinds giving birth to a higher proportion of male calves…”
Get full text

Sequence variability in the A/B region of the estrogen receptor by Kaluz, S, Kaluzova, M, Flint, A.P.F

“…We wished to confirm the presence of phosphorylation sites in the N-terminal end of the estrogen receptor (ER) in several mammalian species. Sequencing…”
Get full text

Interrelationships of protein and oestradiol secretion by conceptuses and endometrium from Meishan pigs on days 11–15 of pregnancy by Ashworth, C.J., Ross, A.W., Flint, A.P.F.

“…The second week after mating is recognised as critical to the successful maintenance of pregnancy in the pig, and is believed to be when Meishan females gain…”
Get full text

Regulation of trophoblast interferon gene expression by Flint, A P, Guesdon, F M, Stewart, H J

“…The trophoblast of the developing ruminant conceptus secretes large quantities (up to 100 micrograms, or 10(7) IU, per 24 h) of a number of characteristic Type…”
Get more information

Large luteal cells the source of luteal oxytocin in the sheep by Rodgers, R J, O'Shea, J D, Findlay, J K, Flint, A P, Sheldrick, E L

“…To determine the cellular origin of oxytocin produced by the cyclical corpus luteum (CL) of the sheep, enriched fractions of enzymatically dispersed small and…”
Get more information

The genetic relationship between commencement of luteal activity and calving interval, body condition score, production, and linear type traits in Holstein-Friesian dairy cattle by Royal, M D, Pryce, J E, Woolliams, J A, Flint, A P F

“…The decline of fertility in the UK dairy herd and the unfavorable genetic correlation (r(a)) between fertility and milk yield has necessitated the broadening…”
Get more information

Sheep antiluteolytic interferon: cDNA sequence and analysis of mRNA levels by Stewart, H J, McCann, S H, Northrop, A J, Lamming, G E, Flint, A P

“…A cloned cDNA has been isolated by probing a sheep blastocyst cDNA library using a synthetic oligonucleotide representing the N-terminal amino acid sequence of…”
Get more information

Circulating concentrations of oxytocin during the estrous cycle and early pregnancy in sheep by Sheldrick, E L, Flint, A P

“…Plasma concentrations of oxytocin and progesterone have been measured by radioimmunoassay in jugular venous blood obtained daily from 5 sheep during 2 estrous…”
Get more information

Sequence variants in the bovine gonadotrophin releasing hormone receptor gene and their associations with fertility by Derecka, K, Ahmad, S, Hodgman, T.C, Hastings, N, Royal, M.D, Woolliams, J.A, Flint, A.P.F

“…Seven sequence variants (SVs) have been identified in exon 1 and in the promoter region upstream of the bovine gonadotrophin releasing hormone (GnRH) receptor…”
Get full text

Prostaglandin-induced secretion of oxytocin and prolactin in red (Cervus elaphus) and Pere David's (Elaphurus davidianus) deer hinds: evidence for oxytocin of luteal origin by Flint, A P, Sheldrick, E L, McCann, T J, Brinklow, B R, Loudon, A S

“…Peripheral plasma concentrations of oxytocin in female red deer during the luteal phase of the oestrous cycle (9.3 +/- 2.1 fmol/ml) exceeded those in the…”
Get more information

Quantitative analysis of changes in endometrial gland morphology during the bovine oestrous cycle and their association with progesterone levels by Wang, C K, Robinson, R S, Flint, A P F, Mann, G E

“…This study describes a digital technique for uterine morphometry and its application to endometrial structure during the bovine oestrous cycle. Neither the…”
Get full text

A PPAR-independent pathway to PUFA-induced COX-2 expression by Derecka, K., Sheldrick, E.L., Wathes, D.C., Abayasekara, D.R.E., Flint, A.P.F.

“…Polyunsaturated fatty acids (PUFAs) induce COX-2 in bovine endometrial stromal cells through activation of peroxisome-proliferator-activated receptor alpha…”
Get full text

Prepubertal predictors for fertility in dairy cattle: potential use of metabolic hormones by Hayhurst, C., Flint, A.P.F, Lovendahl, P., Woolliams, J.A, Royal, M.D.

“…The length and severity of negative energy balance postpartum is unfavourably correlated (genetically & phenotypically) with interval to first ovulation (de…”
Get full text