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Theriogenology|April 7, 2009
Variation in gestation length among captive reindeer (Rangifer tarandus tarandus)J E Rowell, M P ShipkaSociety of Reproduction and Fertility Supplement|July 16, 2011
Gestation length in farmed reindeerM P Shipka, J E RowellJournal of Animal Science|November 7, 2003
The male effect, mounting behavior, and the onset of estrus in farmed muskoxenJ E Rowell, M C Sousa, M P ShipkaAnimal Reproduction Science|July 11, 2002
Reindeer bull introduction affects the onset of the breeding seasonM P Shipka, J E Rowell, S P FordJournal of Animal Science|November 24, 2006
Steroid hormone secretion during the ovulatory cycle and pregnancy in farmed Alaskan reindeerM P Shipka, J E Rowell, M C SousaTranslational Animal Science|July 25, 2020
Depo-Provera increases neural activity in the central amygdala of reindeer bullsR L Ziegler, K J Austin, J E Blake, et al.Animal Reproduction Science|March 25, 1999
Effects of bull exposure on postpartum ovarian activity of dairy cowsM P Shipka, L C EllisAnimal Reproduction Science|July 11, 2002
Estrogen concentrations in milk at estrus and ovulation in dairy cowsH Lopez, T D Bunch, M P ShipkaJournal of Dairy Science|March 1, 1996
Altering conception of dairy cattle by gonadotropin-releasing hormone preceding luteolysis induced by prostaglandin F2 alphaJ S Stevenson, Y Kobayashi, M P Shipka, et al.Journal of Reproduction and Fertility|September 1, 1988
Progesterone, oestradiol-17 beta and LH during the oestrous cycle of muskoxen (Ovibos moschatus)J E Rowell, P F FloodPageof 2