Results 51 to 60 of about 7,523 (208)

Efficacy of Supplementary Guanidinoacetic Acid at Different Dietary Crude Protein Levels on the Productive Performance, Egg Quality, Intestinal Morphology, Antioxidative Status, and Serum Metabolites of Aged Laying Hens Exposed to High Ambient Temperatures

Veterinary Medicine and Science, Volume 12, Issue 1, January 2026.
0.15% GAA supplementation enhanced body weight and productive performance in heat‐stressed aged hens. Serum creatine, nitric oxide, and antioxidant capacity increased with GAA, while egg quality remained unaffected. One percent reduced protein diet with GAA maintained performance, whereas 2% reduction caused losses.
Reza Mahdavi, Ali Hossein Piray, Shahab Ghazi, Mohammad Ebrahim Nooriyan Soroor, Viktor Viktorovich Malorodov   +4 more
wiley   +1 more source

Antimicrobial prescribing guidelines for horses in Australia

Australian Veterinary Journal, Volume 103, Issue 12, Page 781-889, December 2025.
The growing problem of antimicrobial resistance also affects equine veterinarians with increasing frequency. Antimicrobial stewardship and responsible prescribing are essential for a future in which effective antimicrobials are available, as it is unlikely that new antimicrobials will become available for use in horses.
L Hardefeldt, K Thomas, S Page, J Norris, G Browning, C El Hage, A Stewart, J Gilkerson, G Muscatello, D Verwilghen, G van Galen, J Bauquier, R Cuming, B Reynolds, C Whittaker, E Wilkes, J Clulow, C Burden, L Begg   +18 more
wiley   +1 more source

Difference in expression between AQP1 and AQP5 in porcine endometrium and myometrium in response to steroid hormones, oxytocin, arachidonic acid, forskolin and cAMP during the mid-luteal phase of the estrous cycle and luteolysis [PDF]

, 2015
BACKGROUND: Recently, we demonstrated in vitro that AQP1 and AQP5 in the porcine uterus are regulated by steroid hormones (P4, E2), arachidonic acid (AA), forskolin (FSK) and cAMP during the estrous cycle.
Mlotkowska, Patrycja, Nielsen, Søren, Skowronska, Agnieszka, Skowronski, Mariusz T.   +3 more
core   +3 more sources

External progesterone supplementation during the Ovsynch protocol reduces the incomplete luteolysis in dairy cows under heat stress

Macedonian Veterinary Review
The present study aimed to determinate the effect of external progesterone (P4) supplementation on luteolysis in cows under heat stress. Forty-eight (n=48) dairy cows in the period from July September 2018 were part of and at day 35±3 postpartum scored ...
Boris Stojanov, Branko Atanasov, Juraj Grizelj, Silvijo Vince, Ksenija Ilievska, Martin Nikolovski, Toni Dovenski, Marko Samardžija   +7 more
doaj   +1 more source

Specific effects on the reproductive function including fertility relevant for cumulative risk assessment of pesticide residues

EFSA Journal, Volume 23, Issue 12, December 2025.
Abstract According to the ‘EFSA‐SANTE Action Plan on Cumulative Risk Assessment for pesticides residues’, EFSA, with the support of a working group, undertook the identification of specific effects on male and female reproductive function, including fertility, that are considered relevant for grouping pesticide residues and for assessing ...
European Food Safety Authority (EFSA), Karine Angeli, Adeline Cavelier, Tamara Coja, Federica Crivellente, Anna Lanzoni, Luc Mohimont, Monica Nepal, Dimitra Nikolopoulou, Andrea Terron, Anna F. Castoldi   +10 more
wiley   +1 more source

Ovarian Dynamic in Ongole Grade Cattle After GnRH Injection in Ovsynch Protocol Based on Progesterone Device [PDF]

, 2015
PO cattle have weaknesses to show clear estrus signs which cause difficulty in artificial insemination implementation. The present study was designed to obtain ovarian dynamic as effect of GnRH injection in ovsynch protocol based on progesterone ...
Amrozi, A. (Amrozi), Imron, M. (Muhammad), Setiadi, M. A. (Muhammad), Supriatna, I. (Iman)   +3 more
core  

Disruption of ovarian function and induction of apoptosis in female mice by Brefeldin A: Mechanistic insights into reproductive toxicity

Animal Models and Experimental Medicine, Volume 8, Issue 11, Page 2053-2068, November 2025.
Brefeldin A (BFA) significantly inhibits oocyte release and induces apoptosis in ovarian granulosa cells by disrupting follicular development. It downregulates proliferation‐associated genes, reduces SIRT1/SIRT6 proteins, and upregulates cell cycle inhibitors P21 and P16. Additionally, BFA impairs estrogen synthesis and affects ovarian function through
Yao Jiang, Meng Lv, Haidan Fan, Yonghua Shi, Tao Wang, Penghao Wang, Xiaolong Yuan, Fei Gao, Bin Ma   +8 more
wiley   +1 more source

Eficácia da associação dupla dose PGF2 alfa-eCG no proestro de vacas leiteiras mestiças submetidas à IATF

Pesquisa Veterinária Brasileira
RESUMO: Objetivou-se avaliar o efeito de uma ou duas doses de prostaglandina F2α (PGF2α) associada ou não a gonadotrofina coriônica equina (eCG) sobre a dinâmica folicular, a função luteal pré-ovulatória, assim como as características morfofuncionais pós-
Alexandra S. Rodrigues, Mariana A.A. Silva, Tiago O. Brandão, Aloísio B. Nascimento, Rodrigo F. Bittencourt, Marcos Chalhoub, Thereza C.B.S.C. Bittencourt, Antonio de L. Ribeiro Filho   +7 more
doaj   +1 more source

Ovarian response to prostaglandin F2α in lactating dairy cows: A clinical update

The Journal of Reproduction and Development, 2021
Prostaglandin F2α (PGF2α) and its analogs are used to induce luteolysis in estrus synchronization programs to terminate unwanted pregnancies or to promote ovulation in certain cow subpopulations.
Fernando LÓPEZ-GATIUS
doaj   +1 more source

'Luteal coasting' after GnRH agonist trigger - individualized, HCG-based, progesterone-free luteal support in 'high responders':a case series [PDF]

, 2015
This study reports 21 IVF cases with excessive ovarian response, who received gonadotrophin-releasing hormone agonist (GnRHa) triggering for final oocyte maturation, followed by a human chorionic gonadotrophin (HCG)-based, progesterone-free, luteal ...
Breyzman, Tatiana, Humaidan, Peter, Kol, Shahar, Segal, Linoy   +3 more
core   +2 more sources