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Studies on fixed-time ovulation induction in the pig.
A technology that allows for manipulating of oestrus and ovulation, and would then also allow for fixed-time insemination, can be of great benefit for swine farms that operate using sow batchExpand
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Prevalence of PCV2 in Austrian and German boars and semen used for artificial insemination.
Since epidemiologically-based science on PCV2 in porcine semen is patchy, we investigated 806 Austrian (A) and German (G) AI boars from five studs, and boars from Austrian farms used for on-farmExpand
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The in vitro developmental competence of oocytes from juvenile calves is related to follicular diameter.
This study investigated the relationship between follicle size (FS) and developmental competence of calf oocytes. Cumulus-oocyte-complexes (COCs) from follicles>8 (L-COCs; n=19), 4-8 (M-COCs; n=54),Expand
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The prevalence of chlamydiae of bulls from six bull studs in Germany.
Although there are indications for venereal transmission of chlamydiae in cattle, epidemiological data on the presence of these bacteria in bulls and bull semen in particular is still incomplete. WeExpand
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Ultrasonographic characterization of the ovaries and the uterus in prepubertal and pubertal gilts.
In two experiments (EXP), 44 and 52 crossbred gilts (mean age+/-S.D. and weight+/-S.D.: 204+/-22 and 203+/-9 days, 114+/-13 and 127+/-12 kg, respectively, in EXP 1 and 2) from four farms wereExpand
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Ultrasonographic characterization of the ovaries in non-pregnant first served sows and gilts.
This study was aimed firstly, to examine the ovaries in non-pregnant first served sows and gilts by transcutaneous ultrasonography and secondly, to evaluate the suitability for this procedure to beExpand
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Effects of feeding level during lactation on FSH and LH secretion patterns, and follicular development in primiparous sows.
In the primiparous lactating sow undernutrition affects LH, but the effect on FSH is less clear. This study was conducted to investigate the effect of ad libitum (AL; n = 5) and restricted (RE; 70%Expand
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Prevalence of chlamydiae in boars and semen used for artificial insemination.
Although there are indications for venereal transmission of chlamydiae in pigs, direct diagnostic evidence on the presence of these bacteria in boars and boar semen in particular is still incomplete.Expand
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An update on the use of B-mode ultrasonography in female pig reproduction.
After technological advances allowed for the adaptation of B-mode ultrasonography equipment for use in pig facilities, ultrasonography quickly established itself as an ideal diagnostic aid forExpand
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Chlamydiae in oviducts and uteri of repeat breeder pigs.
Chlamydial infections of the genital organs cause reproductive failure in female pigs, and the uterus is recognized a target tissue for an infection. In contrast, information on the effect ofExpand
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