Results 21 to 30 of about 61,989 (317)

Effect of omega‐3 polyunsaturated fatty acid supplementation on oxidative stress parameters and sex hormone levels of modern genotype sows

open access: yesVeterinary Medicine and Science, Volume 9, Issue 1, Page 191-202, January 2023., 2023
In this study, we supplemented the diet of breeding sows either with omega‐6 (control) or omega‐3 (experimental) polyunsaturated fatty acids and examined their effects on the antioxidant system and hormone levels of the animals. In the blood levels of molecules indicating oxidative stress we experienced slight changes, but the feeding of omega‐3 fatty ...
Róbert Roszkos   +4 more
wiley   +1 more source

Determination of estrus duration based on cervical mucus characteristics in Aceh cattle using camera-equipped artificial insemination endoscope

open access: yesOvozoa: Journal of Animal Reproduction, 2022
This study aimed to determine the length of the estrus period in Aceh cows based on changes in the characteristics of cervical mucus observed using a camera-equipped artificial insemination (AI) endoscope.
Dian Mulfristia   +6 more
doaj   +1 more source

Markers for internal neoplasia in the horse

open access: yesVeterinary Medicine and Science, Volume 9, Issue 1, Page 132-143, January 2023., 2023
The measurement of tumour markers in horses should be performed only in risk groups or in patients with suspicious clinical/laboratory findings (paraneoplastic syndromes). The results should be interpreted with caution as many factors (e.g., young age, pregnancy and inflammation) affect their concentration or activity.
Karolina Drozdzewska, Heidrun Gehlen
wiley   +1 more source

Sex differences in variability across timescales in BALB/c mice. [PDF]

open access: yes, 2017
BackgroundFemales are markedly underinvestigated in the biological and behavioral sciences due to the presumption that cyclic hormonal changes across the ovulatory cycle introduce excess variability to measures of interest in comparison to males. However,
Grant, Azure D   +4 more
core   +2 more sources

EFEKTIVITAS PENGGUNAAN CONTROLLED INTERNAL DRUG RELEASE TERHADAP RESPON ESTRUS DAN KONSENTRASI HORMON ESTROGEN PADA KAMBING KACANG DAN KAMBING BLIGON

open access: yesBuletin Peternakan, 2014
Tujuan dari penelitian ini adalah untuk mengetahui respon estrus, awal estrus, dan lama estrus serta profil hormon estrogen pada kambing Kacang dan kambing Bligon setelah implan controlled internal drug release (CIDR) selama 13 hari.
Popalayah (Popalayah)   +2 more
doaj   +1 more source

Artificial insemination timing on pregnancy rate of Holstein cows using an automated activity monitoring [PDF]

open access: yesCiência Rural, 2023
: This study evaluated the probability of pregnancy and associated factors for two times artificial inseminations (AI), 8 or 10 hours after automated activity monitoring (AAM) alarm on the first postpartum AI of 1,054 Holstein dairy cows.
Letícia Ribeiro Marques   +5 more
doaj   +1 more source

ADAPTING THE TREATMENT OF OVARIAN CYSTS ACCORDING TO THEIR TYPE IN DAIRY CATTLE [PDF]

open access: yesJournal of Applied Life Sciences and Environment, 2021
Ovarian cysts, estimated as the most frequent ovarian disorder in dairy cattle, can impact the economic aspect and trigger serious loss by affecting the reproductive performance.
Silviu-Ionuț BORȘ, Alina BORȘ
doaj   +1 more source

Presynchronizing PGF2α and GnRH injections before timed artificial insemination CO-Synch + CIDR program [PDF]

open access: yes, 2013
Fixed-time artificial insemination is an effective management tool that reduces the labor associated with more conventional artificial insemination programs requiring detection of estrus.
Breiner, Ryan M.   +6 more
core   +3 more sources

Use of protocol with prolonged proestrus with and without eCG in dual purpose dairy Holsteins cows in the Ecuadorian Amazons [PDF]

open access: yesSPERMOVA, 2020
The objective was to evaluate the effect of eCG on presence estrus, ovulation time, preovulatory follicle diameter and pregnancy rate in Holstein cows treated with a prolonged proestrus protocol in the Ecuadorian Amazon.
Manuel Ortega-Coello   +2 more
doaj   +1 more source

Induction and Synchronization of Estrus

open access: yes, 2021
Estrus cycle is a rhythmic change that occur in the reproductive system of females starting from one estrus phase to another. The normal duration of estrus cycle is 21 days in cow, sow, and mare, 17 days in ewe, and 20 days in doe. The species which exhibit a single estrus cycle are known as monstrous and species which come into estrus twice or more ...
Prasanna Pal, Mohammad Rayees Dar
openaire   +4 more sources

Home - About - Disclaimer - Privacy