Results 101 to 110 of about 6,309,415 (231)

Comparisons of acoustic structures between sexes in a duetting, montane bird

open access: yesJournal of Avian Biology
Female song in birds is more widespread than previously thought, and studies across different species are critical for better understanding the entire evolutionary process of bird song.
Huan Liu   +4 more
doaj   +1 more source

Effect of feeding fermentable fibrerich feedstuffs lupin and chicory prior to slaughter with special emphasis on the effect on chemical boar taint in organic entire male and female pigs and technological meat quality [PDF]

open access: yes, 2007
Boar taint is an off-flavour of pork caused primarily by skatole and, androstenone. Pig off-odour and flavour mostly caused by higher skatole concentrations in backfat.
Hansen, Laurits Lydehøj   +4 more
core  

The Effects of Spousal Education on Individual Earnings – A Study of Married Swedish Couples [PDF]

open access: yes
A positive association between spousal education and individual earnings is a common empirical finding (e.g., Benham, 1974 and Rossetti and Tanda, 2000). The two most common explanations for this are sample selection and crossproductivity effects.
Åström, Johanna
core   +1 more source

Memoirs of the Queensland Museum. [PDF]

open access: yes, 1988
v.35:pt.2 ...
Hamlyn-Harris, Ronald   +3 more
core   +5 more sources

Enhancement of pigmeat quality by altering pre-slaughter management [PDF]

open access: yes, 2005
End of project reportThe studies presented in this report were conducted to investigate the effect of breed, slaughter weight, castration of male pigs and strategic feeding strategies on the performance of pigs to slaughter and on their carcass quality.
Allen, Paul   +5 more
core  

Optical and mechanical design of the extreme AO coronagraphic instrument MagAO-X

open access: yes, 2018
Here we review the current optical mechanical design of MagAO-X. The project is post-PDR and has finished the design phase. The design presented here is the baseline to which all the optics and mechanics have been fabricated.
Close, Laird M.   +11 more
core   +1 more source

Effects of socialising piglets on sow and piglet performance and behaviour of entire male piglets

open access: yesAnimal
Entire male pigs show more aggressive behaviour and mounting than female pigs. By sorting growing pigs into male and female pens, at least half of the pigs are protected from the aggressive behaviour and mounting of the entire males.
L. Rydhmer, K. Andersson
doaj   +1 more source

Epitoky in Scutisotoma stepposa (Collembola; Isotomidae)

open access: yesSoil Organisms, 2011
Reproductive males of Scutisotoma stepposa Martynova from two basins of Vitim Plateau (Russia: East Siberia) display epitoky in three forms. ‘Supermales’ are armed with strong macrosetae, brushes on ventrum of abdomen, callosities on tube and legs, bent
Ayuna Chimitova, Mikhail Potapov
doaj  

Size composition, monthly condition factor and morphometrics for fishery-dependent samples of Rioraja agassizi (Chondrichthyes: Rajidae), off Santos, Southeast Brazil

open access: yesNeotropical Ichthyology
Specimens of Rioraja agassizi were collected monthly off Santos, Southeast Brazil, between latitudes 23º37'S and 27º40'S, from March, 2005 to March, 2006. A total number of 278 males and 1023 females were captured.
M. Cristina Oddone   +3 more
doaj   +1 more source

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