Zobrazeno 1 - 10
of 45
pro vyhledávání: '"J. J. R. Feddes"'
Publikováno v:
Applied Engineering in Agriculture. 26:649-658
Emissions from the barn ventilation system and manure storage facilities constitute two continuous sources of gas and odor emissions from pig facilities. In Canada, swine manure is generally stored outside the barn to minimize the risk of worker and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8c2d0b925ef1a1cb6dac7af4cbb6cc0
https://doi.org/10.13031/2013.32059
https://doi.org/10.13031/2013.32059
Publikováno v:
Transactions of the ASABE. 53:219-223
In the animal production industry, manure odors can be a potential nuisance to neighboring residents. A more suitable metric other than odor concentration and intensity is required to evaluate odor dispersion or to evaluate on-farm odor-reducing tech
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0198f9b25f63cd617d99d02a0e890a06
https://doi.org/10.13031/2013.29497
https://doi.org/10.13031/2013.29497
Publikováno v:
Poultry Science. 87:828-837
Limited opportunity for movement and load-bearing exercise for conventionally caged laying hens leads to bone loss and increased susceptibility to osteoporosis, bone fractures, and cage layer fatigue, all of which compromise hen welfare and have nega
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d9afe31a17d0474a8f2920f81cb901c
https://doi.org/10.3382/ps.2007-00192
https://doi.org/10.3382/ps.2007-00192
Autor:
J. J. R. Feddes, G. Qu
Publikováno v:
Transactions of the ASABE. 50:1789-1793
N-butanol is used as a reference odor to train odor panelists and field odor sniffers to measure odor concentrations and intensities, respectively. It has different characteristics from that of livestock odors. Odors from headspace samples of stored
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::570902daa29dab4270441c43d4ef05b0
https://doi.org/10.13031/2013.23942
https://doi.org/10.13031/2013.23942
Publikováno v:
Journal of Applied Poultry Research. 15:1-8
SUMMARY Variousmethods ofpreincubation warminghave beenused incommercial hatcheriesto increase hatchability, decrease incubation time, and increase embryonic blastoderm development. A study was conducted to determine the effect of preincubation warmi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46a2c93dd158efde59a17e4e1d9ca2d7
https://doi.org/10.1093/japr/15.1.1
https://doi.org/10.1093/japr/15.1.1
Publikováno v:
Journal of Applied Poultry Research. 15:28-39
Hot weather along with high stocking densities can lead to high mortality and decreased performance of broilers, especially during the last week of rearing. Two trials were conducted to test the hypotheses that reduced nighttime and midday temperatur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16ab10b735b04145cff431d335c82e30
https://doi.org/10.1093/japr/15.1.28
https://doi.org/10.1093/japr/15.1.28
Autor:
G. M. Fasenko, J. H. van Middelkoop, J. J. R. Feddes, J. C. Segura, C. A. Ouellette, E. E. O’Dea, F. E. Robinson
Publikováno v:
Poultry Science. 83:2059-2070
The objective of this study was to determine if broiler strain and breeder flock age affect eggshell conductance, fertility, and hatchability parameters; heart and hepatic glycogen concentrations at hatch; and embryonic metabolism throughout incubati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::28457910ca36893ad0638089f8143377
https://doi.org/10.1093/ps/83.12.2059
https://doi.org/10.1093/ps/83.12.2059
Autor:
L. A. Goonewardene, B. L. Schneider, F. E. Robinson, D. R. Korver, J. J. R. Feddes, Martin J. Zuidhof, R. H. McGovern
Publikováno v:
Journal of Applied Poultry Research. 13:472-480
Management of feed withdrawal (FW) prior to slaughter is a critical step in assuring a safe food supply. An experiment was conducted to determine the effect of sex and combinations of FW time and livehaul time on gut clearance, yield, and carcass qua
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50fa2233f33fbe43de258e24d8615914
https://doi.org/10.1093/japr/13.3.472
https://doi.org/10.1093/japr/13.3.472
Publikováno v:
Journal of Applied Poultry Research. 13:493-499
This study was conducted to determine environmental parameters related to the heat stress of broiler chickens. A total of 50 broiler flocks across 4 regions in Alberta were used to identify factors that contribute to heat stress. A heat stress index
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5b9ad1d67908e4f908c089101053b2e4
https://doi.org/10.1093/japr/13.3.493
https://doi.org/10.1093/japr/13.3.493
Autor:
J. J. R. Feddes, F. E. Robinson, Martin J. Zuidhof, B. L. Schneider, R. H. McGovern, D. R. Korver
Publikováno v:
Journal of Applied Poultry Research. 13:335-341
SUMMARY Feed withdrawal management has significant effects on contamination of commercial broiler chickens. The effect of a cue (short period of feed withdrawal) on broiler behavior, carcass yield, and carcass quality (carcass scratches, trimming, co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4de29ae2564ace1a6e0e1ad2dba3a945
https://doi.org/10.1093/japr/13.2.335
https://doi.org/10.1093/japr/13.2.335