Estrous cycle
View article: Effect of initial ejaculate quality on post-thaw parameters in boar semen
Effect of initial ejaculate quality on post-thaw parameters in boar semen Open
View article: The Impact of LH, FSH and Dopamine on the productive performance of two genetic local quail lines
The Impact of LH, FSH and Dopamine on the productive performance of two genetic local quail lines Open
The study was conducted in the field of the Department of Animal Production, College of Agriculture and Forestry, University of Mosul for the period from 1/2/2024 to 13/4/2025. The main aim in this objective is to determine the impact of g…
View article: Effects of Vitamin D3 Supplementation during Mating or Gestation on Antioxidant Status and Reproductive Parameters in Gray Shirazi Ewes
Effects of Vitamin D3 Supplementation during Mating or Gestation on Antioxidant Status and Reproductive Parameters in Gray Shirazi Ewes Open
Recent studies suggest that vitamin D3 may have preventive and therapeutic effects on autoimmune disease, cancer, and type 1 and 2 diabetes beyond the skeletal condition and calcium metabolism. To demonstrate the effects of a single 10,000…
View article: Genetic Improvement of Bali Cattle through Artificial Insemination with Frozen Banteng (Bos javanicus) Semen: Part I – Performance of Resulting Calves (Work in Progress)
Genetic Improvement of Bali Cattle through Artificial Insemination with Frozen Banteng (Bos javanicus) Semen: Part I – Performance of Resulting Calves (Work in Progress) Open
— The performance of Bali cattle has been declining. To preserve their genetic quality and productivity, appropriate measures must be taken, such as revitalizing Bali cattle by breeding them with Banteng semen. This study aimed to evaluate…
View article: Genetic Improvement of Bali Cattle through Artificial Insemination with Frozen Banteng (Bos javanicus) Semen: Part I – Performance of Resulting Calves (Work in Progress)
Genetic Improvement of Bali Cattle through Artificial Insemination with Frozen Banteng (Bos javanicus) Semen: Part I – Performance of Resulting Calves (Work in Progress) Open
— The performance of Bali cattle has been declining. To preserve their genetic quality and productivity, appropriate measures must be taken, such as revitalizing Bali cattle by breeding them with Banteng semen. This study aimed to evaluate…
View article: Assessment of biochemical markers in bovine cervicovaginal secretions for estrus detection: A non-invasive and field-friendly diagnostic tools
Assessment of biochemical markers in bovine cervicovaginal secretions for estrus detection: A non-invasive and field-friendly diagnostic tools Open
Timely and accurate detection of estrus is vital for optimizing conception rates in dairy herds; however, conventional estrus detection methods remain insufficient in smallholder settings, particularly for repeat-breeders and cows having s…
View article: FABP3 Mediates Lipid Droplet Accumulation and Adhesive Capacity in Bovine Endometrial Epithelial Cells via PGE2/PTGER4/PPAR Axis
FABP3 Mediates Lipid Droplet Accumulation and Adhesive Capacity in Bovine Endometrial Epithelial Cells via PGE2/PTGER4/PPAR Axis Open
Prostaglandin E2 (PGE2) has been implicated in multiple biological processes during pregnancy in ruminants. However, the regulatory effects of PGE2 on endometrial function during the diestrus period and its underlying molecular mechanisms …
View article: Fundamental sex differences in cocaine-induced plasticity of D1R- and D2R-MSNs in the mouse nucleus accumbens core
Fundamental sex differences in cocaine-induced plasticity of D1R- and D2R-MSNs in the mouse nucleus accumbens core Open
Background Cocaine-induced changes in nucleus accumbens shell (NAcSh) medium spiny neurons (MSNs) differ based on dopamine receptor subtype expression, the sex of the animal, and for females, phase of the estrous cycle. These findings high…
View article: Changes in the interactions between mural granulosa cells and cumulus cells during ovulation after the LH surge based on transcriptome analyses
Changes in the interactions between mural granulosa cells and cumulus cells during ovulation after the LH surge based on transcriptome analyses Open
View article: Supplementary – Representative Estrous Cycle Patterns
Supplementary – Representative Estrous Cycle Patterns Open
Supplementary 1 and 2 – Representative Estrous Cycle Patterns. This dataset contains two files:1. Representative estrous cycle patterns in control and letrozole-induced PCOS rats on day 15-21.2. Representative estrous cycle patterns in con…
View article: Supplementary – Representative Estrous Cycle Patterns
Supplementary – Representative Estrous Cycle Patterns Open
Supplementary 1 and 2 – Representative Estrous Cycle Patterns. This dataset contains two files:1. Representative estrous cycle patterns in control and letrozole-induced PCOS rats on day 15-21.2. Representative estrous cycle patterns in con…
View article: Progesterone and IL-6 Expression Are Modulated by Follicular Fluid in Granulosa Cell Cultures
Progesterone and IL-6 Expression Are Modulated by Follicular Fluid in Granulosa Cell Cultures Open
Endometriosis (ENDO) and poor ovarian response (POR) represent challenging conditions in assisted reproduction. Both, associated with altered follicular fluid (FF) composition, specifically impact on granulosa cell (GC) function in an inco…
View article: Effects of stocking rate during mid to late pregnancy of Nellore cows on carcass and meat quality traits of male offspring in Brazil
Effects of stocking rate during mid to late pregnancy of Nellore cows on carcass and meat quality traits of male offspring in Brazil Open
View article: PROLAPSO VAGINAL EM VACAS PÓS-PARTO: RELATO DE CASO
PROLAPSO VAGINAL EM VACAS PÓS-PARTO: RELATO DE CASO Open
O prolapso vaginal em vacas é uma afecção reprodutiva de relevância clínica e econômica, observada com maior frequência no final da gestação e no período periparto. Caracteriza-se pela exteriorização parcial ou total da parede vaginal, pod…
View article: High progesterone levels on the day of embryo transfer are associated with a reduced clinical pregnancy rate
High progesterone levels on the day of embryo transfer are associated with a reduced clinical pregnancy rate Open
View article: Effect of Central Injection of Anandamide on LPS-Dependent Suppression of GnRH/LH Secretion in Ewes During the Follicular Phase of the Estrous Cycle
Effect of Central Injection of Anandamide on LPS-Dependent Suppression of GnRH/LH Secretion in Ewes During the Follicular Phase of the Estrous Cycle Open
The study investigated the effects of intracerebroventricular (ICV) administration of the endocannabinoid anandamide (AEA) on suppression of gonadotropin-releasing hormone (GnRH)/luteinizing hormone (LH) secretion during lipopolysaccharide…
View article: Reproductive performance of male African catfish (Clarias gariepinus) breeders to varying hormone preparations and doses under controlled conditions
Reproductive performance of male African catfish (Clarias gariepinus) breeders to varying hormone preparations and doses under controlled conditions Open
View article: Reproductive performance of male African catfish (Clarias gariepinus) breeders to varying hormone preparations and doses under controlled conditions
Reproductive performance of male African catfish (Clarias gariepinus) breeders to varying hormone preparations and doses under controlled conditions Open
View article: Mouse serum facilitates the expansion of the follicular cavity regardless of the estrous cycle phase
Mouse serum facilitates the expansion of the follicular cavity regardless of the estrous cycle phase Open
The in vitro development of preantral follicles was not affected by the estrous cycle phase. However, serum from each phase of the estrous cycle plays an important role in regulating the formation of the follicular cavity, and this process…
View article: A comparison of progesterone via vaginal oil capsules versus pessaries for luteal phase support in assisted reproduction treatment: a multicentre cohort study of 42 291 cycles
A comparison of progesterone via vaginal oil capsules versus pessaries for luteal phase support in assisted reproduction treatment: a multicentre cohort study of 42 291 cycles Open
STUDY QUESTION What is the effect of progesterone administered via vaginal oil capsules versus pessaries, on clinical outcomes, when used for luteal phase support (LPS) in ART? SUMMARY ANSWER Our study findings indicate a higher live birth…
View article: Comparative Analysis of Estrus Duration and Ovulation Time with and without Copulation in Beetal Goats
Comparative Analysis of Estrus Duration and Ovulation Time with and without Copulation in Beetal Goats Open
Background: The study aimed to assess the impact of copulation on estrus length and ovulation timing in Beetal goats. Methods: Fourteen healthy, multiparous does were synchronized for estrus during the fall breeding season using a CIDR dev…
View article: Spermatozoa binding to oviduct cells: The influence of the endocrine milieu on the effectiveness of the binding test
Spermatozoa binding to oviduct cells: The influence of the endocrine milieu on the effectiveness of the binding test Open
This study evaluates the effect of endocrine environments on the ability of sperm to bind to bovine oviduct epithelial cells (BOEC) cultured in vitro. In Experiment 1, reproductive tracts from slaughterhouse (n = 12) were classified based …
View article: Expression of estrus in dairy cows: phenotyping, genetic variability, and association with productive and reproductive performance
Expression of estrus in dairy cows: phenotyping, genetic variability, and association with productive and reproductive performance Open
Dairy cow estrus is marked by acute changes in behavior, such as increased activity and decreased rumination. These changes can be measured on the farm using wearable sensors and other monitoring systems. The main goals of this study were …
View article: The influence of different time modes of OPU sessions on the development of ovarian follicles in heifers of the Sychev breed
The influence of different time modes of OPU sessions on the development of ovarian follicles in heifers of the Sychev breed Open
Since the effectiveness of OPU is influenced by a large number of factors, including the breed and individual characteristics of animals, it is necessary to select the optimal OPU modes for different breeds of cattle. It is worth noting th…
View article: Expression of estrus in dairy cows: phenotyping, genetic variability, and association with productive and reproductive performance
Expression of estrus in dairy cows: phenotyping, genetic variability, and association with productive and reproductive performance Open
Dairy cow estrus is marked by acute changes in behavior, such as increased activity and decreased rumination. These changes can be measured on the farm using wearable sensors and other monitoring systems. The main goals of this study were …
View article: Steroidogenic activity of bovine ovaries depending on the effectiveness of artificial insemination and DIO1 gene polymorphism
Steroidogenic activity of bovine ovaries depending on the effectiveness of artificial insemination and DIO1 gene polymorphism Open
Relevance. Low fertility of dairy cows is associated with embryonic mortality, which depends on the balance of sex steroids interacting with thyroid hormones. Polymorphism of the DIO1 gene, responsible for the metabolism of thyroid hormone…
View article: Light-mediated regulation of ovarian activity and ovi-position dynamics in layers
Light-mediated regulation of ovarian activity and ovi-position dynamics in layers Open
Light is a vital environmental regulator influencing the reproductive physiology, behaviour, and productivity of laying hens through its effect on the hypothalamic–pituitary–gonadal (HPG) axis. Photoperiod, light intensity, and wavelength …
View article: Light-mediated regulation of ovarian activity and ovi-position dynamics in layers
Light-mediated regulation of ovarian activity and ovi-position dynamics in layers Open
Light is a vital environmental regulator influencing the reproductive physiology, behaviour, and productivity of laying hens through its effect on the hypothalamic–pituitary–gonadal (HPG) axis. Photoperiod, light intensity, and wavelength …
View article: Sex-Dependent Phenotypic and Histomorphometric Biomarkers in the APPswe/PS1dE9/Blg Mouse Model of Alzheimer’s Disease
Sex-Dependent Phenotypic and Histomorphometric Biomarkers in the APPswe/PS1dE9/Blg Mouse Model of Alzheimer’s Disease Open
Background: Sex-related differences significantly impact biomedical research outcomes, yet female subjects are often excluded due to concerns about variability from the estrous cycle. This study aimed to investigate the sex-dependent diffe…
View article: Effect of a Reduced-Protein Diet Supplemented with Essential Amino Acids on the Muscle Proteome of Female and Entire Male Finishing Pigs
Effect of a Reduced-Protein Diet Supplemented with Essential Amino Acids on the Muscle Proteome of Female and Entire Male Finishing Pigs Open
Crude protein (CP) decrease coupled to amino acid (AAs) supplementation is interesting for swine nutrition. A proteomics approach unraveled physiological events underlying differences between sexes fed two diets: control and low CP in fast…