Zobrazeno 1 - 10
of 49
pro vyhledávání: '"C. R. Douglas"'
Publikováno v:
Journal of Applied Poultry Research. 5:1-5
Three field experiments were conducted to determine the influence of midnight feeding of commercial egg layers on eggshell quality. Experiment 1 consisted of four houses containing 90,000 hens each, which received feed at midnight. Four other houses
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99f0f83bd555a4ec5bf422a3601fcf20
https://doi.org/10.1093/japr/5.1.1
https://doi.org/10.1093/japr/5.1.1
Publikováno v:
Journal of Applied Poultry Research. 3:193-198
Egg transport vehicles operating from two locations in Florida were wired with up to thirty sensors gathering ambient temperature data as frequently as 15 sec in order to characterize temperature patterns in both warehouse delivery and store-door del
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::acb4d0e41d6cf8009ffe88a34b27205c
https://doi.org/10.1093/japr/3.2.193
https://doi.org/10.1093/japr/3.2.193
Autor:
C R, Douglas
Publikováno v:
Journal of epidemiology and community health. 58(4)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::a017935ee5c2061d02211d133add3d72
https://pubmed.ncbi.nlm.nih.gov/15026457
https://pubmed.ncbi.nlm.nih.gov/15026457
Publikováno v:
Poultry Science. 63:443-446
Replacement pullets were weighed in groups of five and then individually. The average body weight was similiar for the two weighing methods. However, the 95% confidence intervals and bird-to-bird standard deviation were less when birds were group wei
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e1736d0ec6bb0073775ffdd3cb9de94
https://doi.org/10.3382/ps.0630443
https://doi.org/10.3382/ps.0630443
Publikováno v:
Poultry Science. 64:1137-1142
Three experiments were conducted to evaluate the protein requirement of commercial egg production pullets from 8 to 20 weeks of age. Hyline W-36 pullets were used in Experiments 1 and 3, and Hisex White pullets were used in Experiment 2. They were fe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::037594e94552e3ab13beae812d83099d
https://doi.org/10.3382/ps.0641137
https://doi.org/10.3382/ps.0641137
Publikováno v:
Poultry Science. 55:2375-2379
Two experiments using a total of 240 laying hens housed in individual cages were conducted to evaluate dietary salt deficiency as a potential tool for the force resting of laying hens. The control group of hens received the corn-soy diet with 0.25% a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04aa14754f13a45d7c56cd6b6bab692b
https://doi.org/10.3382/ps.0552375
https://doi.org/10.3382/ps.0552375
Publikováno v:
Poultry Science. 58:731-737
Three experiments were conducted to determine the influence of forced resting on the productive performance of Bobwhite quail breeders. In Experiments 1 and 2, breeders that were 60 and 54 weeks of age, respectively, were placed on a 5-week light res
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::831b5dbc415192532063cdb808a2d77d
https://doi.org/10.3382/ps.0580731
https://doi.org/10.3382/ps.0580731
Publikováno v:
Poultry Science. 56:82-86
Four experiments were conducted using Bobwhite quail chicks to determine the effect of time lapse between hatching and placement of chicks in brooders with feed and water upon performance to five weeks of age. Quail chicks that hatched on or before t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00704943bc7b9413cf9f72d9da1b8669
https://doi.org/10.3382/ps.0560082
https://doi.org/10.3382/ps.0560082
Publikováno v:
Poultry Science. 65:864-867
Leghorn-type hens (40 weeks of age) were used to study the effect of: 1) increasing the morning photoperiod and total photoperiod, and 2) shifting artificial lights from morning to evening while maintaining a constant photoperiod length. Time of lay,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eda3ff13f74177300cd2620f6df6f226
https://doi.org/10.3382/ps.0650864
https://doi.org/10.3382/ps.0650864
Publikováno v:
Poultry Science. 56:506-511
Two experiments were conducted using Leghorn-type pullets to study the effects of severe feed restriction after 21 weeks of age upon subsequent performance. All pullets were grown from one day to six weeks of age on a 21.6% protein starter diet and f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4cea58824eb2b0ddb4edaeccd0be026
https://doi.org/10.3382/ps.0560506
https://doi.org/10.3382/ps.0560506