Search results: 42,011 results (approx.)

1. Use low ozone dosages has positive effects on the cooling and cryopreservation of equine semen.

The aim of this study was to determine an ozone dosage capable of inducing pro-oxidation, and to verify its action on sperm cells during the process of cooling and cryopreservation of equine semen. In this study, we evaluated the ozone concentrations of 2µg/mL,15µg/mL, 30µg/mL e 60 µg/mL added in...

Author(s) : Pereira, R. R.; Nogueira, B. G.; Bruno, M.; Acacio, B. R.; Freitas-Dell'Aqua, C. P.; Il-Souza, M.; Sampaio, B. F.

Publisher : Elsevier, New York, USA

Journal article : Journal of Equine Veterinary Science 2022 Vol.108 ref.47

2. Towards increasing stallion sperm longevity by storage at subzero temperatures in the absence of ice.

The aim of cell preservation technologies is to slow down damaging reactions by lowering the storage temperature. Upon dilution in a stabilizing extender, stallion sperm can be stored at refrigerator temperatures for several days. Cryopreservation allows storage for decades, but freezing and...

Author(s) : Pruß, D.; Oldenhof, H.; Wolkers, W. F.; Sieme, H.

Publisher : Elsevier, New York, USA

Journal article : Journal of Equine Veterinary Science 2022 Vol.108 ref.29

3. INRA96 supplemented with phospholipids liposomes, a promising approach for stallion sperm chilling.

Among biotechnologies of reproduction in the equine species, artificial insemination remains the most used technology especially for cooled transported sperm. Although the use of INRA96 extender has demonstrated its efficiency for long-term sperm storage at 4°C or 15°C, some stallions ("bad...

Author(s) : Eterpi, M.; Magistrini, M.; Couty, I.; Gavin-Plagne, L.; Aguirre-Lavin, T.; Schmitt, E.; Carion, O.

Publisher : Elsevier, New York, USA

Journal article : Journal of Equine Veterinary Science 2022 Vol.108 ref.20

4. Role of plant biotechnology in enhancement of alkaloid production from cell culture system of Catharanthus roseus: a medicinal plant with potent anti-tumor properties.

Catharanthus roseus is one of the most valuable plants due to its medicinal value. This has made C. roseus so important for the pharmaceutical industry. However, the low productivity and high demand of the plant led to deviation from conventional mode to unconventional using biotechnological tools. ...

Author(s) : Santoshi Acharjee; Raghawendra Kumar; Nitish Kumar

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Industrial Crops and Products 2022 Vol.176 ref.164

5. Cysteamine enhances quality and fertility potential of rooster semen in cooled storage.

This study investigated the effects of supplementing Lake extender with cysteamine (CYS) on rooster semen quality in cold storage and it's fertility performance. Semen samples were diluted with Lake extender supplemented with different concentrations of CYS (0, 1, 2, 4 and 8 mM) and were cooled and ...

Author(s) : Masoudi, R.; Esmaeilkhanian, S.; Sharafi, M.; Abdollahi, Z.; Jafari, V.; Hatefi, A.; Zarei, F.; Asadzadeh, N.; Sadeghipanah, A.; Barfourooshi, H. J.; Banabazi, M. H.

Publisher : Elsevier, New York, USA

Journal article : Theriogenology 2022 Vol.177 pp.29-33 ref.35

6. Low oxygen environment and astaxanthin supplementation promote the developmental competence of bovine oocytes derived from early antral follicles during 8 days of in vitro growth in a gas-permeable culture device.

We evaluated the effects of a constant low (5-5%) and modulated (5-20%) oxygen environments on the in vitro development of bovine oocyte-cumulus-granulosa cell complexes (OCGCs) cultured in the presence or absence of an antioxidant (astaxanthin: Ax). OCGCs were cultured in a gas permeable culture...

Author(s) : Chelenga, M.; Sakaguchi, K.; Kawano, K.; Furukawa, E.; Yanagawa, Y.; Katagiri, S.; Nagano, M.

Publisher : Elsevier, New York, USA

Journal article : Theriogenology 2022 Vol.177 pp.116-126 ref.50

7. Cryoprotectant-free vitrification of llama spermatozoa: cryoloop vs sphere method, warmed rapidly or ultra-rapidly.

Our objective was to determine the effect of vitrification using both cryoloop and sphere methods, combined with two warming protocols, on the percentage of motility, membrane integrity and DNA fragmentation/condensation of llama spermatozoa. Raw semen (n = 5; r = 3) was incubated with collagenase...

Author(s) : Arraztoa, C. C.; Miragaya, M. H.; Chaves, M. G.; Carretero, M. I.; Santa Cruz, R. C.; Giuliano, S. M.; Gambarotta, M. C.; Neild, D. M.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Small Ruminant Research 2022 Vol.206 ref.36

8. In vitro effects of two different commercial freezing and thawing extenders on boar sperm quality.

This study was conducted to evaluate whether there were differences in viability of cryopreserved semen when using two different freezing (Minitube Cryoguard - F1 or Androstar® CryoPlus - F2) and thawing (Minitube Cryoguard Thawing solution - T1 or Androstar® Plus - T2) extenders. Ejaculates were...

Author(s) : Andrade, A. F. C. de; Grossfeld, R.; Knox, R. V.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Animal Reproduction Science 2022 Vol.236

9. Effects of age, size and season on cryotolerance of dog semen - a retrospective analysis.

In a retrospective analysis of 508 ejaculates from 297 dogs, efficiency of semen cryopreservation and effects of age, season and dog size on characteristics of fresh and cryopreserved semen were evaluated. Volume of the sperm-rich ejaculate fraction increased to 10 years of age, decreased in 10 and ...

Author(s) : Lechner, D.; Aurich, J.; Schäfer-Somi, S.; Aurich, C.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Animal Reproduction Science 2022 Vol.236 ref.41

10. Transcriptional downregulation of ABC transporters is related to follicular degeneration after vitrification and in vitro culture of ovine ovarian tissue.

ATP-binding cassette (ABC) transporters perform multiple functions in reproductive tissues. During ovarian tissue vitrification, the plasma membrane has important functions in the influx or efflux of water, and substances such as cryoprotectants and channel proteins that are required in this...

Author(s) : Sales, A. D.; Duarte, A. B. G.; Rocha, R. M. P.; Brito, I. R.; Locatelli, Y.; Alves, B. G.; Alves, K. A.; Figueiredo, J. R.; Rodrigues, A. P. R.

Publisher : Elsevier, New York, USA

Journal article : Theriogenology 2022 Vol.177 pp.127-132 ref.30

11. The function of the m6A methyltransferase METTL3 in goat early embryo development under hypoxic and normoxic conditions.

It has been reported that N6-methyladenosine (m6A) methyltransferase-like 3 (METTL3) plays an important role in zygote genome activation during embryonic development, but the effects of METTL3 under oxidative stress in the early development of goat embryos remain largely unknown. In this study,...

Author(s) : Li DongXu; Liu ZiFei; Deng MingTian; Liu Liang; Lu JiaWei; Wang Feng; Wan YongJie

Publisher : Elsevier, New York, USA

Journal article : Theriogenology 2022 Vol.177 pp.140-150 ref.53

12. The microenvironment of ovarian follicles in fertile dairy cows is associated with high oocyte quality.

We hypothesised that heifers and cows with positive genetic merit for fertility would have a follicular microenvironment that resulted in better quality oocytes. To test this, we compared cumulus cell-oocyte complexes (COC) and follicular fluid from preovulatory follicles of 36 Holstein-Friesian...

Author(s) : Reed, C. B.; Meier, S.; Murray, L. A.; Burke, C. R.; Pitman, J. L.

Publisher : Elsevier, New York, USA

Journal article : Theriogenology 2022 Vol.177 pp.195-205 ref.45

13. Paternal effect does not affect in vitro embryo morphokinetics but modulates molecular profile.

The use of different sires influences in vitro embryo production (IVP) outcome. Paternal effects are observed from the first cleavages until after embryonic genome activation (EGA). Little is known about the mechanisms that promote in vitro fertility differences, even less about the consequences on ...

Author(s) : Almeida, T. G. de; Mingoti, R. D.; Castro, L. S. de; Siqueira, A. F. P.; Hamilton, T. R. dos S.; Fontes, P. K.; Nogueira, M. F. G.; Alves, M. F.; Basso, A. C.; Milazzotto, M. P.; Assumpção, M. E. O. D.

Publisher : Elsevier, New York, USA

Journal article : Theriogenology 2022 Vol.178 pp.30-39 ref.77

14. Effects of different concentrations of eugenol in maturation medium on bovine oocytes, oxidative status and preimplantation embryos.

Context: Eugenol is a bioactive compound with defined attributes, including a role in reducing oxidative stress. Therefore, it is an interesting candidate for in vitro embryo production that has an environment that favours the formation of reactive oxygen species. Aim: The objective of the study...

Author(s) : Oliveira, L. R. M. de; Aquino, L. V. C. de; Santos, M. V. de O.; Freitas, V. J. de O.; Bertini, L. M.; Pereira, A. F.

Publisher : CSIRO, Collingwood, Australia

Journal article : Animal Production Science 2022 Vol.62 No.2 pp.142-151 ref.41

15. Semen quality, testosterone values, and testicular and accessory gland parameters in rams receiving sustained stimulation with low doses of buserelin.

Context: The use of buserelin, a gonadotropin-releasing hormone (GnRH) agonist, can improve semen quality. Nevertheless, the appropriate dosage, and frequency and time of application, remain to be established owing to the subsequent negative feedback on endogenous production of testosterone...

Author(s) : Santo, C. G. do E.; Balaro, M. F. A.; Santos, J. D. R.; Correia, L. F. L.; Souza, C. V. de; Taira, A. R.; Costa, M. M. C. P. da; Carvalho, A. B. da S.; Ungerfeld, R.; Brandão, F. Z.

Publisher : CSIRO, Collingwood, Australia

Journal article : Animal Production Science 2022 Vol.62 No.2 pp.152-162 ref.38

16. Effect of gonadotropin-releasing hormone administered at the time of artificial insemination for cows detected in estrus by conventional estrus detection or an automated activity-monitoring system.

The objectives of this study were to determine the effects of GnRH at the time of artificial insemination (AI) on ovulation, progesterone 7 d post-AI, and pregnancy in cows detected in estrus using traditional methods (tail chalk removal and mount acceptance visualization) or an automated...

Author(s) : Hubner, A. M.; Canisso, I. F.; Peixoto, P. M.; Conley, A. J.; Lima, F. S.

Publisher : Elsevier Inc., Philadelphia, USA

Journal article : Journal of Dairy Science 2022 Vol.105 No.1 pp.831-841 ref.38

17. Cryopreservation of sperm of Labeobarbus brevicephalus (Pisces: Cyprinidae) from Lake Tana (Ethiopia).

The cryopreservation of the Lake Tana Labeobarbus semen had never been studied before. A combination of three extenders and two cryoprotectants (DMSO and glycerol) were used in Lake Tana Labeobarbus brevicephalus sperm cryopreservation. Among the above described cryo-diluent DMSO 10% had the best...

Author(s) : Belay Abdissa; Abebe Getahun; Dejen, E.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Aquaculture 2022 Vol.548 No.Part 2

18. Final oocyte maturation (FOM) model and artificial reproduction of burbot spawners (Lota lota) originating from the F1 generation of a cultured stock in comparison to wild stock.

The burbot (Lota L.) is one of the most promising freshwater new fish species for cold-water aquaculture. Due to the lack of availability of wild spawners, it is imperative to breed cultured spawners. In the present study, artificial reproduction of a cultured stock of burbot was carried out and...

Author(s) : Kucharczyk, D.; Piech, P.; Nowosad, J.; Abdel-Latif, H. M. R.; Ablaisanova, G. M.; Sikora, M.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Aquaculture 2022 Vol.548 No.Part 2

19. A suspension culture of the hormone autotrophic cell line of Aralia elata (Miq.) seem. for production of oleanolic acid and flavonoids.

The hormone autotrophic cell (HAC) line of Aralia elata grows quickly in vitro without a plant-growth regulator and is thus a potential platform cell line for high-value metabolite production. In this study, a suspension culture of this HAC line was established by optimizing the concentration of...

Author(s) : Sui Yue; Liu JiaXi; Zhao Yue; Guo WenHua; Dai JinLing; You XiangLing

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Industrial Crops and Products 2022 Vol.176 ref.58

20. Cryopreservation of embryos of humpback grouper (Cromileptes altivelis) using combinations of non-permeating cryoprotectants.

In this study, Cromileptes altivelis embryos were successfully preserved using non-permeable cryoprotectants for the first time. We compared the toxicity of single non-permeable cryoprotectants and combination of non-permeable cryoprotectants on C. altivelis embryos. Five non-permeable...

Author(s) : Li LinLin; Tian YongSheng; Li ZhenTong; Li ZiQi; Duan PengFei; Wang XinYi; Chen Shuai; Wang LinNa; Wang QingBin; Zhai JieMing

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Aquaculture 2022 Vol.548 No.Part 1 ref.43

21. Change of zinc mobilization and gene expression of key zinc transport proteins between the yolk sac membrane and liver of duck embryonic developing.

Zinc (Zn) deposition in egg yolk is essential for the rapid growth and complete development of the avian embryo. Thus, it is crucial to obtain maximal Zn mobilization at an appropriate time during development in favor of the survival of avian embryos. The aim of this study was to study the...

Author(s) : Bai, S. P.; Gao, W.; Yuan, T.; Ma, X. Y.; He, L. J.; Huang, L.; Wei, S.; Liu, C.; Wang, W. C.; Yang, L.; Zhu, Y. W.

Publisher : Elsevier, Oxford, UK

Journal article : Poultry Science 2022 Vol.101 No.1 ref.23

22. A low-cost simple test for weekly detection of Mycoplasma hyorhinis and arginini contaminations in cell cultures and viral preparations.

Mollicutes (Mycoplasma and Acholeplasma) are parasitic bacteria that adhere to cellular surfaces, naturally resistant to many antibiotics and extremely small. They are often found as contaminants in cultured cells, where they go unnoticed. They may be present in viral stocks because they are...

Author(s) : Lai, M.; Iacono, E.; Spezia, P. G.; Lottini, G.; Rocca, V. la; Quaranta, P.; Pistello, M.; Freer, G.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Journal of Virological Methods 2022 Vol.299 ref.14

23. Pregnancy in pigs: the journey of an early life.

Embryo mortality is responsible for greater losses in litter size in pigs. It is well known that pregnancy establishment is a complex process, and important changes occur continuously in both the corpora lutea and the endometrium, which varies depending on the pre-natal development phase:...

Author(s) : Almeida, F. R. C. L.; Dias, A. L. N. A.

Publisher : Elsevier Inc, New York, USA

Journal article : Domestic Animal Endocrinology 2022 Vol.78

24. Utility of carboxylated poly L-lysine for the liquid storage of bottlenose dolphin semen.

Assisted reproduction techniques are required to maintain a genetically diverse captive population of bottlenose dolphins. These techniques include semen preservation, and liquid storage has been proposed as a suitable alternative to cryopreservation, but the optimum conditions, in terms of...

Author(s) : Shimizu, K.; Honkawa, Y.; Akiyama, Y.; Kashiwagi, N.; Otsuka, M.; Ando, T.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Animal Reproduction Science 2022 Vol.236 ref.39

25. Silver nanoparticles induce oxidative stress, apoptosis and impaired steroidogenesis in ovarian granulosa cells of cattle.

There have been increased effects of silver nanoparticle (Ag-NPs) on livestock during the past decade, but data related to adverse effects of Ag-NPs on reproductive tissues are limited. In the present study, the possible cytotoxic effects of Ag-NPs on oxidant/antioxidant balance, apoptosis and...

Author(s) : Tabandeh, M. R.; Samie, K. A.; Mobarakeh, E. S.; Khadem, M. D.; Jozaie, S.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Animal Reproduction Science 2022 Vol.236