Search Results - "Labov, J B"

Effects of age and parity on litter size and offspring sex ratio in golden hamsters (Mesocricetus auratus) by Huck, U W, Pratt, N C, Labov, J B, Lisk, R D

“…Golden hamsters that were mated repeatedly from 55 days of age produced 6–12 litters. Litter size at birth rose between the 1st and 2nd litters, peaked on the…”
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Food restricting young hamsters (Mesocricetus auratus) affects sex ratio and growth of subsequent offspring by HUCK, U. W, LABOV, J. B, LISK, R. D

“…Trivers and Willard (1973) predicted that stressed adult female mammals may enhance their fitness by skewing offspring sex ratios and maternal investment to…”
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Food-restricting first generation juvenile female hamsters (Mesocricetus auratus) affects sex ratio and growth of third generation offspring by HUCK, U. W, LABOV, J. B, LISK, R. D

“…Female hamsters (Generation 1) were fed ad libitum or were food-restricted to 65-75% of the amount consumed by controls during their first 50 days of life…”
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Sex Ratio Manipulation and Decreased Growth of Male Offspring of Undernourished Golden Hamsters (Mesocricetus auratus) by Labov, Jay B., Huck, U. William, Prabha Vaswani, Lisk, Robert D.

“…The theory that female mammals in poor condition may increase individual fitness by skewing the sex ratio of their offspring toward daughters and by investing…”
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Vomeronasal organ and social factors affect urine marking by male mice by Labov, J B, Wysocki, C J

“…Adult CF-1 male mice cohabited for 15 days with three different females (EXPERIENCED) or remained physically isolated (INEXPERIENCED) prior to removal of their…”
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Current problems in the study of infanticidal behavior of rodents by Labov, J B, Huck, U W, Elwood, R W, Brooks, R J

“…This article discusses the many studies of rodent infanticide that have emerged in this decade. The authors summarize this work and analyze the way in which…”
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Factors Influencing Infanticidal Behavior in Wild Male House Mice (Mus musculus) by Labov, Jay B.

“…1. Infanticidal behavior was examined in wild-strain male house mice (Mus musculus). Preliminary studies established that male house mice killed significantly…”
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Pregnancy Blocking in Rodents: Adaptive Advantages for Females by Labov, Jay B.

“…Recently inseminated female rodents exposed to strange males or their odors will lose developing embryos and return to estrus. This pregnancy blocking…”
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Male Social Status, Physiology, and Ability to Block Pregnancies in Female House Mice (Mus musculus) by Labov, Jay B.

“…1. Dominant and subordinate male house mice (Mus musculus) were examined for differences in ability to induce a pregnancy block (Bruce effect) in recently…”
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Preparation & Use of an Easily Constructed, Inexpensive Chamber for Viewing Courtship Behaviors of Fruit Flies, Drosophila sp by Timothy J. Christensen, Labov, Jay B.

“…Details the construction of a viewing chamber for fruit flies that connects to a dissecting microscope and features a design that enables students to easily…”
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Current Problems in the Study of Infanticidal Behavior of Rodents by Labov, Jay B., Huck, U. William, Elwood, Robert W., Brooks, Ronald J.

“…Infanticide in a variety of species, has been reported anecdotally in the scientific literature for many years. Hypotheses concerning its underlying causes…”
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Introducing Concepts of Random Ordering & Random Assignment of Subjects: Computer-Assisted Classroom & Laboratory Exercises by Labov, Jay B., Firmage, David H.

“…Describes three exercises that will assist advanced high school and undergraduate students in understanding: (1) the concepts of randomness; (2) the importance…”
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