Results 41 to 50 of about 175,648 (355)
Review: Semen handling, time of insemination and insemination technique in cattle.
In cattle artificial insemination plays not only a vital role in the successful establishment of pregnancy, which is a prerequisite for initiation of the subsequent lactation, but also in accelerating genetic improvement and facilitating the distribution
M. Diskin
semanticscholar +1 more source
Conception Rates of Holstein-Friesian Cows Inseminated Artificially with Reducing Frozen Semen Doses
Conception rates of Holstein Friesian (HF) acceptors were evaluated in artificial insemination (AI) mating using three frozen semen doses of the straws per volume of 0.25 cc.
Anneke Anggraeni +4 more
doaj +1 more source
Prognostic factors in intrauterine insemination cycles
Objective This study aimed to evaluate the clinical pregnancy rate of intrauterine insemination cycles in relation to patient age, cause of infertility, ovulation induction method, number of mature follicles and sperm with progressive motility.
F. Sicchieri +5 more
semanticscholar +1 more source
Embryo donation parents' attitudes towards donors : comparison with adoption [PDF]
BACKGROUND: Embryo donation produces a family structure where neither rearing parent is genetically related to the child, as in adoption. It is not known how embryo donation parents view the donors compared with how adoptive parents view the birth ...
MacCallum, Fiona
core +1 more source
Female genitalia of lygaeid bugs are characterized by a tube-shaped ductus receptaculi (spermathecal duct) connecting the bursa copulatrix with the highly coiled receptaculum seminis (spermatheca).
Robert GSCHWENTNER, Andreas TADLER
doaj +1 more source
Environmental effects on progesterone profile measures of dairy cow fertility [PDF]
Environmental effects on fertility measures early in lactation, such as the interval from calving to first luteal activity (CLA), proportion of samples with luteal activity during the first 60 days after calving (PLA) and interval to first ovulatory ...
B. Berglund +32 more
core +1 more source
The aim was to estimate the effective pharmacological method of the estrous cycle synchronization by checking the effects of synchronization by measurement of progesterone (P4) and 17-beta estradiol (E2) concentration by RIA and artificial insemination ...
Anna J. Korzekwa +3 more
doaj +1 more source
This study aimed to describe the thermal variation of external reproductive tracts during ejaculation in relation to sperm quality in dogs. Forty-six adult fertile dogs were monitored using a thermal camera before, during and after the semen collection ...
Koray Tekin +11 more
doaj +1 more source
Precursor A-Kinase Anchor Protein 4 as a Predictive Biomarker of Post-Thaw Semen Quality in Goats
The evaluation of sperm proteins has emerged as a promising approach to predicting semen quality across animal species. This study investigated the relationship between post-thaw concentrations of precursor A-kinase anchor protein 4 (proAKAP4) and ...
Ahmet Eser +6 more
doaj +1 more source
ABSTRACT Climate variability is affecting the productivity, profitability, and resilience of smallholder dairy producers in developing countries. The adoption of climate‐smart (CS) dairy practices has been promoted to mitigate these negative effects. However, while interest in dairy CS practices is growing, empirical evidence on their adoption patterns
Mercy Mburu +4 more
wiley +1 more source

