Zobrazeno 1 - 10
of 55
pro vyhledávání: '"R. W. Gerry"'
Autor:
R. W. Gerry
Publikováno v:
Poultry Science. 59:211-214
Four trials were conducted to study the effect of the restriction of the time of water availability on the performance of broilers reared in cages. The broilers received continuous light and ad libitum feed throughout the trials. Treatments included
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e396b952b5fcdf217c2d9388da0f2ece
https://doi.org/10.3382/ps.0590211
https://doi.org/10.3382/ps.0590211
Autor:
F. V. Muir, R. W. Gerry
Publikováno v:
Poultry Science. 57:1508-1513
A trial was conducted to compare the influence of intermittent watering and restricted feeding programs during the growing and laying periods on the performance of layers. Beginning at 10 weeks of age, water was available nine, seven, five, or three
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40c435f3dcf442e59a3c325e16bc89ce
https://doi.org/10.3382/ps.0571508
https://doi.org/10.3382/ps.0571508
Publikováno v:
Poultry Science. 54:1927-1931
Red × Rock sex-linked females were used in an experiment in which the birds were transferred from floor rearing facilities to laying cages at 6, 11, 16 or 21 weeks of age. Commercial-type starter, grower and layer diets were fed ad libitum to all bi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::847b7d6d7d7ab6ce9f164b48b7081f11
https://doi.org/10.3382/ps.0541927
https://doi.org/10.3382/ps.0541927
Publikováno v:
Poultry Science. 53:1853-1860
A 5 x 2 factorial experiment was conducted utilizing Red x Rock sex-linked females. The birds were transferred from the rearing facilities to laying cages at 8, 10, 12, 14 or 16 weeks of age. Two rearing environments, wire or litter, were included at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b6fdf62b47f878453238fa14021c89b
https://doi.org/10.3382/ps.0531853
https://doi.org/10.3382/ps.0531853
Autor:
F. V. Muir, R. W. Gerry
Publikováno v:
Poultry Science. 55:1472-1476
Two trials were conducted to compare the limiting of water to 15, eight or four time periods per day on the performance of Red × Rock sex-linked females. Water was available for 15 minutes during each watering period. Restricting watering time as wa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d36790630359164cb4fb631a46b54dd2
https://doi.org/10.3382/ps.0551472
https://doi.org/10.3382/ps.0551472
Publikováno v:
Poultry Science. 61:2166-2171
Two flocks of broiler breeder hens, differing in uniformity of body weight, were evaluated under cage and floor management systems over a 28-week period. Hens were housed singly in cages (N = 280) or in litter floor pens (N = 304). Caged hens were ar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d00d12e4f4d1d54ac5d9ea2d608e6c65
https://doi.org/10.3382/ps.0612166
https://doi.org/10.3382/ps.0612166
Autor:
R. W. Gerry, C. B. Chawan
Publikováno v:
Poultry Science. 53:671-676
Two experiments were conducted to study the pigmenting value of shrimp waste (meal) in diets fed broiler chicks. A 4% level of shrimp meal in conventional corn-soy broiler diets produced skin pigmentation which was considered to be unacceptably high.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::41d8fa5882a72be3e390e2fb54175726
https://doi.org/10.3382/ps.0530671
https://doi.org/10.3382/ps.0530671
Autor:
R. W. Gerry
Publikováno v:
Poultry Science. 59:2365-2368
Ground dried whole mussels “as harvested” were found to contain 34.2% calcium. “As harvested” refers to the mussels together with small amounts of empty shells, sand, and other debris. When substituted for ground limestone in rations for broi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13753ebe36de5f0736d811ebff925596
https://doi.org/10.3382/ps.0592365
https://doi.org/10.3382/ps.0592365
Publikováno v:
Poultry Science. 57:538-541
Commercial-type broiler starter and finisher feeds containing 0, .1, 1.0, 5.0, 10.0, or 20.0 ppm of polychlorinated biphenyl isomers (PCBs) as Aroclor 1254 (Monsanto) were fed to male broiler chicks (Arbor Acres 70 × Cobb) from hatching to 8 weeks o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1305d840d1939818fd792753b8e7ade
https://doi.org/10.3382/ps.0570538
https://doi.org/10.3382/ps.0570538
Autor:
F. V. Muir, R. W. Gerry
Publikováno v:
Poultry Science. 55:1941-1946
Two trials were conducted to compare the influence of various levels of feed during the laying period on the performance of the layers. Four feeding levels were utilized in each trial. One group served as the full-fed control and the other three grou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2290d13d2514b556ea7bd0c69e7acdf
https://doi.org/10.3382/ps.0551941
https://doi.org/10.3382/ps.0551941