Results 21 to 30 of about 433,264 (313)

Follicular dynamics during the pre-ovulatory and subsequent first follicular wave stages affect the pregnancy outcome in Japanese Black cows

The Journal of Reproduction and Development, 2021
The diameters of the pre-ovulatory follicles (PF) and the largest follicle during the subsequent first follicular wave (W1LF), and plasma estradiol-17β (E2) concentrations were monitored on Days 0, 1, 3, 5, and 7 (ovulation = Day 1).
Tsumugi YOSHIYAMA, Tomomi KANAZAWA, Toru TAKAHASHI   +2 more
doaj   +1 more source

Keberhasilan inseminasi buatan menggunakan semen sexing beku pada Sapi Persilangan Ongole

Jurnal Ilmu-Ilmu Peternakan, 2018
The Artificial Insemination (AI)  results in Beef cattle are expected to be male calf because they can increaseweight gain rapidly, so in this study AI was carried out by using sexing semen with Percoll density gradient centrifugation method containing ...
Dwi Susan Setiyani, Aulia Puspita Anugra Yekti, Kuswati Kuswati, Trinil Susilawati   +3 more
doaj   +1 more source

Conception Rates. 2. Economic Value of Unit Differences In Percentages of Sire Conception Rates

Journal of Dairy Science, 1994
The objectives of this research were to estimate 1) the annual increase in profitability and 2) the value of a unit of semen because of an increase of 1 in percentage of AI conception rate. Factors contributing to increased annual profit per cow included more milk production, less semen purchased, more calvings, and fewer reproductive cullings.
S R, Pecsok, M L, McGilliard, R L, Nebel
openaire   +2 more sources

Tingkat Keberhasilan Inseminasi Buatan (Ib) Berdasarkan Conception Rate Dan Service Per Conception Pada Sapi Potong Di Kecamatan SugihwarasKabupaten Bojonegoro [PDF]

, 2022
Sapi potong merupakan sapi yang dipelihara untuk dimanfaatkan dagingnya. Inseminasi Buatan merupakan upaya manusia dalam melakukan perkawinan hewan dengan cara memasukkan cairan sperma dari sapi jantan yang unggul ke dalam saluran reproduksi sapi ...
PUTRI DWI SEPTYANINGSIH
core  

The effect of various administration routs of D-cloprostenol at the time of artificial insemination on conception rate in dairy cattle

Italian Journal of Animal Science, 2021
The aim of the present study was to evaluate the effect of various administration routes of PGF2α analogue, D-cloprostenol, at the time of artificial insemination (AI) on conception rate in a large dairy herd.
Mohammad Javad Behzadi-Shahrbabak, Naser Shams-Esfandabadi, Abolfazl Shirazi, Taghi Taktaz-Hafshejani   +3 more
doaj   +1 more source

Insemination factors affecting the conception rate in seasonal calving Holstein-Friesian cows

, 2003
peer-reviewedDifferences in conception rate to first service between artificial inseminations (AI) carried out by commercial AI operators (CAI) or do-it-yourself operators (DIY), between natural service (NAT) and AI, between different AI sires, and ...
Mee, John F, Dillon, Pat, Mee, John, Evans, R. D., Donagh Berry, Kathleen O'Sullivan, O'Sullivan, Kathleen, Pat Dillon, Ross Evans, John Mee, Buckley, Frank, Frank Buckley, Berry, Donagh, Evans, Ross   +13 more
core   +1 more source

Evaluasi Keberhasilan Kebuntingan Pada Sapi Madura Melalui Metode Kawin Alam

Jurnal Ilmiah Ilmu-Ilmu Peternakan
Tujuan penelitian ini adalah untuk mengetahui keberhasilan kebuntingan pada Sapi Madura melalui metode kawin alam. Materi yang digunakan dalam penelitian ini adalah betina sapi Madura sejumlah 36 ekor dan pejantan sapi Madura sejumlah 3 ekor.
Wahyuni Indah Wulansari, Enike Dwi Kusumawati, Dewi Khosiya Robba, Mochammad Chanafi, Dyah Tuwi Ramsiati, Aju Tjatur Nugroho Krisnaningsih, Rina Ariyanti   +6 more
doaj   +1 more source

The Influence of the Interval between Administration of PGF2α, in the Pre-Synchronization Treatments (2xPGF2α), in the Ovsynch Synchronization Program of the Oestrus and the Ovulations in Dairy Cows

Scientific Papers Animal Science and Biotechnologies, 2023
The results of synchronization of estrus and ovulation by Ovsynch program can be improved if stages of estrous cycles in cows are synchronized, through two administrations of PGF2α, before the administration the first dose of GnRH.
Nicolae Păcala, Casiana Şipeţan Ciolac, Ioan Bencsik, Dorel Dronca, Gabi Dumitrescu, Eliza Simiz, Marioara Nicula, Valer Carabă, Adela Marcu, Liliana Petculescu-Ciochina, Marinel Șipețan, Cosmin Ganţă   +11 more
doaj  

The Effect of Inseminator Performance on The Success of Artificial Insemination in Friesian Holstein Crosbred Cows [PDF]

BIO Web of Conferences
The study aims to determine the effect of inseminator performance on the success of artificial insemination of Friesian Holstein crossbred cows. In this study, the eight inseminators were observed with the criteria: at least 1 year of AI experience, a ...
Mahbubiy Ayatullah Rohul, Yekti Aulia Puspita Anugra, Syah Habib Asshidiq, Susilawati Trinil   +3 more
doaj   +1 more source

Estrous Intensity and Conception Rates in Holsteins

Journal of Dairy Science, 1983
During 34 mo, 732 inseminations were evaluated in Holstein cows and heifers of breeding age. Females were submitted for insemination after detection of either 1) standing estrus, 2) mounting activity, or 3) other subtle symptoms of estrus (clear mucus, general appearance of genitalia or tailhead, and excessive vocalization).
J S, Stevenson, M K, Schmidt, E P, Call
openaire   +2 more sources