Dietary excesses of urea influence the viability and metabolism of preimplantation sheep embryos and may affect fetal growth among survivors

T.G. McEvoy, J. J. Robinson, R. P. Aitken, +2

Animal Reproduction Science

NutritionFertilityFetal HealthFeed UtilizationFetal Growth +14

Dietary-induced suppression of pre-ovulatory progesterone concentrations in superovulated ewes impairs the subsequent in vivo and in vitro development of their ova

T.G. McEvoy, J. J. Robinson, R. P. Aitken, +3

Animal Reproduction Science

NutritionFertilityReproductive BiologyEmbryologyReproductive Physiology +14

Repeated recoveries of embryos from ewes by laparoscopy

W.A.C. McKelvey, J. J. Robinson, R. P. Aitken, +1

Theriogenology

InfertilityTheriogenologyAnimal ReproductionFertilityAnimal Science +6

The modifying effects of melatonin, ram exposure and plane of nutrition on the onset of ovarian activity, ovulation rate and the endocrine status of ewes

J. J. Robinson, S. Wigzell, R.P. Aitken, +3

Animal Reproduction Science

NutritionFertilityGynecologyReproductive BiologyReproductive Physiology +15

Melatonin treatment of embryo donor and recipient ewes during anestrus affects their endocrine status, but not ovulation rate, embryo survival or pregnancy

T.G. McEvoy, J. J. Robinson, R. P. Aitken, +1

Theriogenology

FertilityReproductive HealthGynecologyReproductive BiologyEmbryology +17

Excess dietary urea intake in ewes and its effect on ovulation rate and embryo development.

Christopher Bishonga, John J. Robinson, T.G. McEvoy, +3

PubMed

NutritionFertilityAgricultural EconomicsExcess Dietary UreaEmbryo Development +21

Laparoscopy for intrauterine insemination and embryo recovery in superovulated ewes at a commercial embryo transfer unit

Cheryl L. Scudamore, J. J. Robinson, R. P. Aitken, +3

Theriogenology

Animal ReproductionIntrauterine InseminationTheriogenologyFertilityAnimal Science +9

Daily oral administration of melatonin from March onwards advances by 4 months the breeding season of ewes maintained under the ambient photoperiod at 57 °N

J. J. Robinson, S. Wigzell, R.P. Aitken, +3

Animal Reproduction Science

Animal PhysiologyTheriogenologyFertilityDaily Oral AdministrationAmbient Photoperiod +10

The effect of two different levels of progesterone priming on the response of ewes to superovulation

Cheryl L. Scudamore, T.G. McEvoy, R. P. Aitken, +2

Theriogenology

Animal PhysiologyAnimal ReproductionTheriogenologyFertilityAnimal Science +12

The effects of excess rumen degradable protein in ewes on ovulation rate, fertilization and embryo survival in vivo and during in vitro culture.

Christopher Bishonga, J. J. Robinson, T.G. McEvoy, +3

Proceedings of the British Society of Animal Production (1972)

NutritionFertilityVitro CultureLivestock ProductionGynecology +21