Results 31 to 40 of about 6,187,693 (341)

Keberhasilan inseminasi buatan menggunakan semen sexing beku pada Sapi Persilangan Ongole

open access: yesJurnal 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   +3 more
doaj   +1 more source

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

open access: yesJournal 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

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

open access: yesItalian 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   +3 more
doaj   +1 more source

Estrous Intensity and Conception Rates in Holsteins

open access: yesJournal 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

Evaluasi Keberhasilan Kebuntingan Pada Sapi Madura Melalui Metode Kawin Alam

open access: yesJurnal 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   +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

open access: yesScientific 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   +11 more
doaj  

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

open access: yesBIO 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   +3 more
doaj   +1 more source

Influence of Terminal Boar Genetic Type on Conception Rate

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
The existence of variability between boar genetic types on sows fecundity (measured by the percentage of fertile insemination or percentage of return after insemination) was observed in some studies but is insufficiently experienced and explained.
Stefan Diaconescu   +3 more
doaj  

The dependence of the growth rate and meat content of young boars on semen parameters and conception rate

open access: yesAnimal, 2017
Boars have a decisive impact on the progress in pig production, however, there is no recent information about the optimal growth parameters during the rearing period for modern breed later used in artificial insemination (AI) stations.
D. Knecht   +2 more
doaj   +1 more source

BIOPHYSICAL AND BIOCHEMICAL CHANGES OF THE WASHED BUFFALO SPERMATOZOA ADDED WITH CAFFEINE [PDF]

open access: yesKafrelsheikh Veterinary Medical Journal, 2006
Twelve sexually mature buffalo bulls, were used in the present study. The experimental work was carried out to study the effects of removal of seminal plasma by centrifugation and addition of different concentrations of caffeine (0,2,4 and 8mM/100ml) to ...
M.A. El-Kishk   +3 more
doaj   +1 more source

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