Results 61 to 70 of about 87,481 (217)

Reproduction biotechnology in buffaloes: optimization of synchronization protocol for target breeding [PDF]

open access: yes, 2013
The achievement of early cyclicity after calving is of vital importance in maintaining a dairy industry. Post-partum anoestrous in buffalo is a major cause of long calving interval and infertility resulting in economic loss to buffalo breeders.
Mollah, Mohammad Habibur Rahman
core  

Endocrine changes associated with overripening of ovulated eggs in goldfish, Carassius auratus L.

open access: yes, 1996
Changes in steroid hormone levels in the serum and ovarian fluid were studied during overripening in goldfish. Ovulated eggs retained in the ovarian cavity become overripe at around 12 h after ovulation and completely overripe 24 h after.
Lam, Tom J., Formacion, Minda J.
core  

Studies on the sperm reservoir of the pig oviduct [PDF]

open access: yes, 2003
During sperm transport in the female pig a proportion of spermatozoa are arrested, often for 24 h or more, in a particular segment of the utero-tubal junction (UTJ) and the adjacent tubal isthmus, where a sperm reservoir (SR) is built up.
Tienthai, Paisan
core  

Assessment of disorders of ovulation

open access: yes, 2006
Assessment of ovulation starts with a detailed menstrual history as menstruation provides the outward sign of the rhythmic changes taking place in the hypothalamus, the pituitary, the ovaries and the endometrium.
Ingamells, Susan, Cameron, Iain T.
core   +1 more source

Duration of Developmental Capability of Carp Eggs in the Ovarian Cavity after Ovulation

open access: yes, 1980
Duration of developmental capability of eggs remained in the ovarian cavity after ovulation was examined in the common carp, Cyprinus carpio, to find the most suitable period for artificial fertilization. Ovulation was induced in fifteen sexually matured
4162   +3 more
core  

Oogenesis, Folliculogenesis, and Ovulation

open access: yes, 2022
Oocytes develop within distinct follicles in the cortex of the ovary during development. Prenatal follicles that have been dormant become active and go through progressive development at regular intervals starting in the late fetal period and continuing ...
*Bhakti Chavda and Prachi Sharma
core   +1 more source

Angiotensina-(1-7) durante o processo inicial na cascata da ovulação em bovinos Angiotensin-(1-7) during the initial process of ovulatory cascade in cattle

open access: yesCiência Rural, 2012
O presente estudo teve como objetivo avaliar o efeito da Ang-(1-7) e de seu receptor (MAS) na regulação da ovulação. No experimento I, utilizando um modelo in vitro de cultivo de células foliculares, foi avaliado o efeito do tratamento com Ang-(1-7) ou ...
Joabel Tonellotto dos Santos   +6 more
doaj   +1 more source

Recent advancements in the hormonal stimulation of ovulation in swine

open access: yes, 2015
Robert V Knox Department of Animal Sciences, 360 Animal Sciences Laboratory, University of Illinois, Champaign Urbana, IL, USA Abstract: Induction of ovulation for controlled breeding is available for use around the world, and conditions for practical ...
Knox RV
core  

Effect of Nutrition on the Response in Ovulation Rate in Merino Ewes following Short-term Lupin Supplementation and Insulin Administration

open access: yes, 1990
Two experiments investigated the influence of the basal plane of nutrition on the response in ovulation rate in mature Merino ewes fed lupin grain supplements or given exogenous insulin.
Leury, B. J., Murray, P. J., Rowe, J. B.
core   +1 more source

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