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Browsing by Subject "Progesterone"

Now showing items 1-7 of 7

Defining the cause of reduced progesterone levels during pregnancy in Kiss1/Gpr54 mutant mice

Millán Esteban, David (Universitat Politècnica de València, 2015-07-16)

[ES] La kisspeptina, un neuropéptido codificado por el gen Kiss1, es requerida para la activación del eje reproductivo en la pubertad en los mamíferos y para el mantenimiento de la fertilidad en adultos. Los ratones que ...
EFFECT OF DIVERGENT SELECTION FOR UTERINE CAPACITY ON PROGESTERONE, ESTRADIOL AND CHOLESTEROL LEVELS AROUND IMPLANTATION TIME IN RABBITS

Mocé, M.L.; Santacreu, M.A.; Climent, A. (World Rabbit Science. ICTA. UPV, 2002)

[EN] The effects of selection for high (H) and low (L) uterine capacity on serum and uterine fluid levels of progesterone and serum levels of estradiol and cholesterol, near implantation (day 6 of gestation), were ...
Gestational losses in a rabbit line selected for growth rate

Vicente Antón, José Salvador; Llobat L; Viudes De Castro, María Pilar; Lavara García, Raquel; Baselga Izquierdo, Manuel; Marco Jiménez, Francisco (Elsevier, 2012-01)

Prenatal death can occur due to several genetic and environmental factors which alter normal embryo development, maternal environment to support normal fertilisation, development of embryos, placenta and foetus, or affect ...
Levels of testosterone, progesterone and oestradiol in pregnant-lactating does in relation to aggression during group housing

Braconnier, Michèle; González-Mariscal, Gabriela; Wauters, Jella; Gebhardt-Henrich, Sabine G. (Universitat Politècnica de València, 2021-12-29)

[EN] The neuroendocrine regulation of rabbit maternal behaviour has been explored in detail. However, little is yet known about the hormonal regulation of aggression in concurrently pregnant-lactating does, a reproductive ...
Pituitary and ovarian hormones: is their plasma concentration affected by litter size in primiparous lactating rabbit does?

Fernández-Pacheco, Carlota; Millán, Pilar; Rodríguez, María; Formoso-Rafferty, Nora; Velasco, Beatriz; Rebollar, Pilar G. (Universitat Politècnica de València, 2021-09-30)

[EN] Genetic selection in commercial rabbit lines based on litter size has positively improved the number of kits suckling, presumably to weaning. Although it has been proven that the energetic balance of primiparous does ...
Pointing Out Some Issues Regarding Reproduction Management in Murciano-Granadina Goats

Fernández Martínez, Nemesio; Beltrán Martínez, Mª Carmen; Romero, Gema; Roca, M. Amparo; Rodríguez Garcia, Martín; Balasch Parisi, Sebastià (MDPI AG, 2021-06)

[EN] The hypothesis of this experiment proposes that it could be possible to identify pregnant goats through maximum progesterone milk levels at any time in the pregnancy, and that there is an optimal moment to apply a ...
Relationship between Prenatal Characteristics and Body Condition and Endocrine Profile in Rabbits

García, María-Luz; Muelas, Raquel; Argente, María-José; Peiró Barber, Rosa Mª (MDPI AG, 2021-01)

[EN] Litter size is an essential trait in rabbit production, and it depends on ovulation rate and embryonic and foetal survival. The period between 8 and 18 d of gestation is critical for foetal survival, as the placenta ...