development devised by Tanner (Marshall & Tanner,. 1970). Left and right testicular volume was measured using a Prader orchidometer, in which a series of.
LH receptor induction and ovulation rate in mice selected ... 1976; Joakimsen & Baker 1977; Bakker et ai, 1978; Durrant et ai, 1980; Spruill & Eisen, 1985).
relative testis size in 5 populations of feral cats (Felis catus L.) contrasted by the level of sperm ... Key words: sperm competition, mating tactics, cat, Felis catus.
Feb 10, 2015 - coloration in males of a diurnal moth species: trade-offs or ... 1Centre for Integrative Ecology, School of Life and Environmental Sciences, ... 3School of BioSciences, University of Melbourne, Melbourne, Victoria 3010, Australia.
relative testis size between nonmonogamous lemurs and lorises, indicating that presumably lower levels ...... Mating behavior of ring-tailed lemurs (Lemur catta).
Mar 6, 2009 - 2000; Hackney and McGraw 2001). Yet despite .... Dayton, N.J.) with 0.5 tsp./gallon. Bio 88 surfactant (KALO, Overland Park, Kansas, USA)) in.
packed with 116-, 192-, and 281-jim beads and were only slightly higher in chambers packed with 398- and. 767-jim beads. ...... Allyn and Bacon, Inc., Boston.
maintenance of this variation remains an important challenge for plant evolutionary biologists. One idea is that life- .
9Sam Noble Oklahoma Museum of Natural History, 2401 Chautauqua, Norman, Oklahoma 73072 USA. 10Department of Biology, Bri
2002). As a consequence, echinoid stocks had to be strictly managed in order to be protected. (LESSER ... tant as a local fishery resource for the tour- ist sector in .... seille (France) reported a individual of 42 mm ... Structure des populations d
species exhibits a small colony size at 1st reproduction (2.7 cm) and is highly fecund, producing high numbers ... external fertilization and larval development in.
purpuratus in a central California kelp forest. M. C. Kenner* ... diameter, in this population most individuals 16 mm and larger were ... Department of Biology, University of South Florida,. Tampa .... It is well documented that the nutritional state
Hill & Land (1976) who showed that in lines of mice selected for increased ovulation ... Zimmerman, 1983), boars from the high ovulation rate line having testes ...
Endocrine differences in rams after genetic selection for testis size J. R.
McNeilly, M. Fordyce, R. B. Land, G. J. Lee and R. Webb
A.F.R.C. Animal Breeding Research Organisation, Dryden Midlothian EH25 9PS, U.K.
Laboratory, Roslin,
Summary. Testis diameter and body weight were recorded from 6 to 76 weeks of age in ram lambs from two established lines selected for high (H) and low (L) testis size. While testis growth was greater in the H line up to 14 weeks of age (P
