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List of works by Jose Alfonso Abecia

A preliminary study on the effects of dietary energy and melatonin on the ex vivo production of progesterone and prostaglandin F2alpha by the corpora lutea and endometrial tissue of ewes

scientific article published on 01 March 1999

Changes in calmodulin immunocytochemical localization associated with capacitation and acrosomal exocytosis of ram spermatozoa.

scientific article

Development of a simple enzyme immunoassay for the determination of ovine luteinizing hormone

scientific article published on 01 May 2007

Early pregnancy alters the metabolic responses to restricted nutrition in sheep

article

Effect of exogenous melatonin and plane of nutrition after weaning on estrous activity, endocrine status and ovulation rate in Salz ewes lambing in the seasonal anestrus

scientific article published on 01 May 1995

Effect of exogenous melatonin on in vivo and in vitro prostaglandin secretion in Rasa Aragonesa ewes ⬇️

scientific article published on October 15, 2003

Effect of exogenous melatonin on the ovary, the embryo and the establishment of pregnancy in sheep.

scientific article published on March 2008

Effect of level of dietary energy and protein on embryo survival and progesterone production on day eight of pregnancy in Rasa Aragonesa ewes

scientific article published on 01 August 1997

Effect of plane of protein after weaning on resumption of reproductive activity in Rasa Aragonesa ewes lambing in late spring.

scientific article published in February 1993

Effect of undernutrition on the distribution of progesterone in the uterus of ewes during the luteal phase of the estrous cycle

scientific article published on 01 February 1998

Effect of undernutrition on uterine progesterone and oestrogen receptors and on endocrine profiles during the ovine oestrous cycle

scientific article published on 01 January 2006

Effects of ageing and exogenous melatonin on pituitary responsiveness to GnRH in ewes during anestrus and the reproductive season.

scientific article published on 8 December 2006

Effects of exogenous melatonin on in vivo embryo viability and oocyte competence of undernourished ewes after weaning during the seasonal anestrus.

scientific article published on 8 June 2010

Effects of melatonin and undernutrition on the viability of ovine embryos during anestrus and the breeding season.

scientific article published on 8 April 2008

Effects of melatonin implants during non-breeding season on sperm motility and reproductive parameters in Rasa Aragonesa rams.

scientific article

Evidence of melatonin synthesis in the ram reproductive tract.

scientific article published on 6 January 2016

Exogenous melatonin and male foetuses improve the quality of sheep colostrum

scientific article published on 10 April 2020

Extended day length in late winter/early spring, with a return to natural day length of shorter duration, increased plasma testosterone and sexual performance in rams with or without melatonin implants.

scientific article

Identification and immunolocalisation of melatonin MT(1) and MT(2) receptors in Rasa Aragonesa ram spermatozoa

scientific article published on 01 January 2012

Milk Production of Lacaune Sheep with Different Degrees of Crossing with Manchega Sheep in a Commercial Flock in Spain

scientific article published on 20 March 2020

Monthly variations in ovine seminal plasma proteins analyzed by two-dimensional polyacrylamide gel electrophoresis

scientific article published on 10 March 2006

Opioidergic and nutritional involvement in the control of luteinizing hormone secretion of postpartum Rasa Aragonesa ewes lambing in the mid-breeding season

scientific article published on 01 October 1998

Pharmaceutical control of reproduction in sheep and goats.

scientific article published on 03 December 2010

Repeated superovulation using a simplified FSH/eCG treatment for in vivo embryo production in sheep.

scientific article

Role of melatonin on embryo viability in sheep

scientific article published on 01 January 2018

Seasonal variations of melatonin in ram seminal plasma are correlated to those of testosterone and antioxidant enzymes

scientific article

Semen Quality of Rasa Aragonesa Rams Carrying the FecXR Allele of the BMP15 Gene

scientific article published on 11 September 2020

Simplified superovulatory treatments in Corriedale ewes

scientific article published on 04 February 2007

Sperm survival and heterogeneity are correlated with fertility after intrauterine insemination in superovulated ewes.

scientific article published in February 2005

Temperature and rainfall are related to fertility rate after spring artificial insemination in small ruminants

article

The continuous presence of ewes in estrus in spring influences testicular volume, testicular echogenicity and testosterone concentration, but not LH pulsatility in rams

scientific article published on 16 June 2020

The effect of exogenous melatonin during the non-reproductive season on the seminal plasma hormonal profile and the antioxidant defence system of Rasa Aragonesa rams

scientific article published on 22 February 2013

The effect of melatonin implants during the seasonal anestrus on embryo production after superovulation in aged high-prolificacy Rasa Aragonesa ewes.

scientific article published on 20 June 2005

The effect of melatonin implants on the response to the male effect and on the subsequent cyclicity of Rasa Aragonesa ewes implanted in April.

scientific article

The effect of nutrition on the seasonality of reproduction in ewes.

scientific article published on 7 July 2006

The effects on reproductive performance in the short and medium term of the combined use of exogenous melatonin and progestagen pessaries in ewes with a short seasonal anoestrous period

scientific article published on 01 June 1999

The incidence of luteal activity, as determined by peripheral plasma progesterone concentration, before the onset of the breeding season in the Rasa Aragonesa breed of sheep

scientific article published on 01 May 1996

The role of nutrition in the regulation of LH secretion during anestrus by the serotoninergic and dopaminergic systems in Mediterranean ewes treated with melatonin.

scientific article published in October 2002

Undernutrition and exogenous melatonin can affect the in vitro developmental competence of ovine oocytes on a seasonal basis.

scientific article published on 25 February 2009

Undernutrition reduces the oviductal mRNA expression of progesterone and oestrogen receptors in sheep

scientific article published on 21 March 2007

Vasectomy and Photoperiodic Regimen Modify the Protein Profile, Hormonal Content and Antioxidant Enzymes Activity of Ram Seminal Plasma

scientific article published on 29 October 2020

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