Pituitary Potency and Ovarian Activity in Rats on Two Levels of Dietary Energy

Ra, Bellows; Rk, Meyer; Wg, Hoekstra; Le, Casida

doi:10.2527/jas1966.252381x

Cited by 3 publications

(1 citation statement)

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“…In view of the possible economic importance of short term ENI in the gilt resulting in an increase in litter size and the fact that ovulation rate in the rat is also affected by energy restriction (Bellows, Meyer, Hoekstra & Casida, 1966), the experiments described here were undertaken. They were designed to determine (a) whether a regimen of underfeeding similar to that used for the gilt in commercial practice could be established in the young female rat to exert a significant effect on ovulation rate and embryonic mortality when compared with animals given unlimited access to food and (b) whether such differences could be modified by a short period of increased nutrient allowance before ovulation.…”

Section: Introductionmentioning

confidence: 99%

Effects of Unrestricted Feeding During Oestrus on Reproduction in the Underfed Female Rat

Cooper¹,

Haynes²,

Ge³

1970

Reproduction

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The reproductive capacity of the female rat as determined by cyclic behaviour, ovulation rate and number of viable foetuses after 19 days of pregnancy has been studied in relation to nutrient intake. Reproductive capacity decreased with increase in the degree of nutrient restriction imposed, but unrestricted feeding for 12 hr immediately before the estimated time of ovulation significantly increased the ovulation rate (P<0\m=.\05)though not the number of viable foetuses of underfed rats.

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Section: Introductionmentioning

confidence: 99%