1980
DOI: 10.18174/njas.v28i4.17022
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Relation between nutrition and fertility in pigs.

Abstract: A review of experiments on the effect of energy and protein intake on fertility in gilts suggested that a high energy intake shortly before oestrus (flushing) increased ovulation rate. Although high energy intake gave more ovulations than low energy intake, embryonic mortality was greater. The most suitable sequence during rearing, flushing and early pregnancy seemed to be low, high and low energy, respectively. (Abstract retrieved from CAB Abstracts by CABI’s permission)

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Cited by 40 publications
(29 citation statements)
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“…In pigs, there is a classical controversy between authors indicating effect (den Hartog and van Kempen 1980; Beltranena et al. 1991) or no effect (Young et al.…”
Section: Discussionmentioning
confidence: 99%
“…In pigs, there is a classical controversy between authors indicating effect (den Hartog and van Kempen 1980; Beltranena et al. 1991) or no effect (Young et al.…”
Section: Discussionmentioning
confidence: 99%
“…Es ist eine schwierige Managementaufgabe, die Sauen nach dem Absetzen für die optimale Insemination vorzubereiten. Außer dem »verpönten« Hormoneinsatz (4, 5), der bei den Fleischkonsumenten auf enormen Widerstand stößt, stehen in der Praxis zootechnische Maßnahmen (wie »flushing«) für die Optimierung der Ovulation zu Verfügung (19). Obwohl in der Literatur die Wirksamkeit des »flushing« vor der Besamung kontrovers diskutiert wird (20), haben die Autoren der vorliegenden Arbeit während des Vorversuchs mit »flushing« ausgezeichnete Erfahrungen gemacht und können die diesbezüglichen Daten der Autoren Brooks und Cole (13,14) bestätigen.…”
Section: Diskussionunclassified
“…High levels of dietary energy intake inhibit reproduction. Elevated levels of feed intake have been implicated in the development of short estrous cycles and increased difficulty of estrus detection in cattle, decreased embryo survival in swine, and decreased pregnancy rates in ewes (den Hartog and van Kempen, 1980;Dyck and Strain, 1983). These observations have led to the suggestion that excessive energy intake decreases reproductive performance by increasing the rate of progesterone and 17β-estradiol (E 2 ) clearance.…”
Section: Introductionmentioning
confidence: 99%