Results 11 to 20 of about 41,399 (301)
Artificial insemination timing on pregnancy rate of Holstein cows using an automated activity monitoring [PDF]
: 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
Use of protocol with prolonged proestrus with and without eCG in dual purpose dairy Holsteins cows in the Ecuadorian Amazons [PDF]
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
Pote goats are kept by the rural community in Bangkalan Regency, Madura Island, Indonesia. Estrus symptoms in goats are usually unclear, causing low fertility.
Suherni Susilowati +4 more
doaj +1 more source
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
Effects of subcutaneous progesterone injection as a short-time estrus synchronization protocol in ewes: a preliminary study [PDF]
The present study aimed to evaluate the effect of short-time progesterone injection subcutaneously (SC) on estrus synchronization of Baluchi ewes. All ewes received one dose of PGF2α (15 mg) and then were divided into two groups.
Behnam Valizadeh +3 more
doaj +1 more source
Seasonal estrus is an important factor limiting the fertility of some animals such as sheep. Promoting estrus in the anestrus season is one of the major ways in improving the fecundity of seasonally breeding animals.
Shihao Wei +9 more
doaj +1 more source
The Effect of Synchronizing with the PGF2α hormone on the Estrus Activity of Madura Cows [PDF]
This research aims to determine the biological response of administering the PGF2α hormone to the estrous activity of Madurese cows. This research method uses two observation techniques, namely estrus synchronization by administering the PGF2α hormone ...
Luthfi Muchamad +4 more
doaj +1 more source
As an assisted breeding technique, artificial insemination has become the main effective practical approach in the captive breeding programs of giant panda worldwide.
Chenglin Zhu +10 more
doaj +1 more source
Faculty of Veterinary Medicine, University of Forestry, Sofia, Bulgaria [PDF]
A characteristic feature of water buffalo heifers is that they approach breeding maturity later than bovine heifers. From a physiological and endocrinological view, this is related to a later puberty, which affects the overall reproductive performance of
V. Manov, V. Planski, G. Popov
doaj +1 more source
Analysis of cow sweat volatile chemical compounds in gas chromatography mass spectrometry (GC-MS) device and their importance in heat detection [PDF]
Detection of estrus is very important for the profitability of dairy cattle. Because one of the main goals of cattle breeding is for each cow to give birth to a healthy calf a year.
Anitaş Özgül, Göncü Serap
doaj +1 more source

