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Increased luteal tissues after secondary corpus luteum formation leads to enhanced progesterone concentrations and improved fertility in repeat-breeder dairy cows during heat stress condition in tropical climate
Relatively, little is known about the corpus luteum (CL) function in early pregnancy after the successful treatment of luteal phase deficiency in...
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Fertility analysis of bovine semen by in vitro fertilization
The aim of the present study was to evaluate the efficiency of using in vitro fertilization to validate semen fertility for artificial insemination....
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Progesterone supplementation in Holstein heifers subjected to cooling and timed AI during summer: physiological and reproductive variables and thyroid hormone concentrations
Our aim was to evaluate the effects of progesterone supplementation after fixed-time artificial insemination (FTAI) on physiological and reproductive...
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Response to hormonal treatment and conception rates of Sahiwal cows subjected to fixed time artificial insemination in pastoral dairy systems
This study aimed at determining factors influencing response of Sahiwal cows/heifers to fixed time artificial insemination protocol in pastoral...
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Parenteral Copper Administration at the Beginning of a Fixed-Time Artificial Insemination Protocol in Beef Cattle: Effect on Ovarian Function and Pregnancy Rates
The aim of this study was to evaluate the association between plasma copper (Cu) concentration and ovarian function during a fixed-time artificial...
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Effect of shading on the physiological and reproductive parameters in Nelore cows
This study aimed to evaluate the physiological and reproductive parameters of Nelore cows under various microclimatic conditions. The experiment was...
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Presynchronization with simultaneous administration of GnRH and prostaglandin F2α (PGF2α) 7 days prior to Ovsynch improves reproductive profile in Hariana zebu cow
This study is aimed at assessing the impact of simultaneous administration of GnRH and prostaglandin F 2α (PGF 2α ) 7 days prior to Ovsynch in Hariana...
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Endocrine-metabolic adaptations in Dorper ewes: comparison between single and twin pregnancies during gestation, parturition, and postpartum
The experiment was conducted at Araí & Zumbi farm on sixty healthy Dorper ewes to compare blood glucose, hormonal profile, and insulin resistance...
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Approaches of estrous synchronization in sheep: developments during the last two decades: a review
The objective of the current review was to summarize the protocols used for estrous synchronization in ewes during the last two decades. Progesterone...
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Parenteral Zinc Supplementation Increases Pregnancy Rates in Beef Cows
Zinc (Zn) is required for normal reproductive performance in cattle. The aim of this study was to evaluate the effect of subcutaneous injection of...
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Bovine campylobacteriosis in heifer: pathogenesis study and insights in the conventional and molecular diagnosis in an experimental bovine model and field cases
Campylobacter fetus spp. is a bacterium associated to reproductive losses in cattle worldwide. It is a venereal infectious disease known as bovine...
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Effect of eCG in a short-term synchronization treatment on ovarian status, estrus synchrony, and ovulation in dairy goats managed under tropical conditions
The aim of this study was to assess the need of using eCG on short-term estrus synchronization protocol in nulliparous (NUL) and multiparous (MULT)...
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Ovarian dynamics of buffalo (Bubalus bubalis) synchronized with different hormonal protocols
The study evaluates the effect of three hormonal protocols on ovarian dynamics and progesterone (P4) secretion of buffalo ( Bubalus bubalis )....
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Circulating progesterone concentrations and preovulatory follicle diameters affecting ovulatory response in crossbred dairy heifers, following a 7-day progesterone-based synchronization protocol
The present study was aimed at evaluating the differences of ovarian follicular dynamics and circulating progesterone (P4) concentrations between...
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Productive and reproductive performance of females F1 Holstein x Gir daughters of proven bulls
Records of 234 lactations from F1 Holstein x Gyr daughters of proven bulls were used in this study for the evaluation of productive and reproductive...
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Identification of eQTLs and differential gene expression associated with fetal programming in beef cattle
This study assessed differential gene expression and identified expression quantitative trait loci (eQTLs) from samples of Longissimus lumborum ...
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The effect of GnRH administration/insemination time on follicular growth rate, ovulation intervals, and conception rate of Nili Ravi buffalo heifers in 7 –day-CIDR Co-synch
The present study aimed to compare two different insemination times (72 vs 84 h) associated with an ovulation induction (GnRH) in a 7-day CIDR...
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Uterine hemodynamics during a short-term progesterone synchronization protocol in ewes
Twenty-eight pluriparous and non-lactating Santa Inês sheep were synchronized with vaginal sponge and an intramuscular (IM) injection of 37.5 μg of...
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Nano-agriculture: A Novel Approach in Agriculture
Nanotechnology has a great potential to enhance the quality of life through its applications in various fields like agriculture and the food system....
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Downregulated luteolytic pathways in the transcriptome of early pregnancy bovine corpus luteum are mimicked by interferon-tau in vitro
BackgroundMaintenance of the corpus luteum (CL) beyond the time of luteolysis is essential for establishing pregnancy. Identifying the distinct...
