Zobrazeno 1 - 10
of 134
pro vyhledávání: '"C.E. Coppock"'
Publikováno v:
The Professional Animal Scientist. 14:44-50
Twenty dairies were used to evaluate the effects of mixer design (vertical or horizontal) and mixing time on total mixed ration uniformity and particle size distribution. Samples were collected under two mixing schemes: normal mixing time and normal
Publikováno v:
The Professional Animal Scientist. 11:67-73
Bermudagrass [Cynodon dactylon (L.) Pers.] is productive in summer but is dormant for much of the year. The grazing season for bermudagrass pastures can be lengthened by fall interseeding of rye (Secale cereale L.). In trial 1, performance of Stocker
Publikováno v:
Journal of Dairy Science. 75:184-192
Forty Holstein cows in late lactation were offered diets containing niacin and whole cottonseed: 1) 0 g/d, 0%; 2) 0 g/d, 15%; 3) 6 g/d, 0%; and 4) 6 g/d, 15%, to evaluate effects on milk casein synthesis. Cows fed diet 1 had the highest DMI. The FCM
Publikováno v:
Journal of Dairy Science. 74:3457-3467
Thirty-two lactating cows were fed ad libitum diets with 1) 18.7% soybean meal, 2) diet 1 plus 500ppm supplemental Fe from FeSO 4 .H 2 O, 3) 15% whole cottonseed, or 4) diet 3 plus 500ppm Fe from FeSO 4 .H 2 O. Dry matter intakes were similar except
Autor:
D L Wilks, C.E. Coppock
Publikováno v:
Journal of Animal Science. 69:3826-3837
Supplemental fats (SF) have special value in the diets of dairy cows with superior productive ability, because the high energy density of SF allows greater energy consumption and direct transfer of the fatty acids (FA) of the SF to milk fat; this inc
Publikováno v:
Journal of Dairy Science. 74:1314-1320
Forty lactating Holstein cows in early to midlactation were used in a randomized complete block design to measure the effects of the following diets on milk casein. Treatments were four complete rations fed for ad libitum intake consisting of 1) 60%
Autor:
R.G. Elmore, D.L. Wilks, W.L. Bryson, C.C. Baker, K.N. Brooks, C.E. Coppock, R.A. Stermer, J.K. Lanham
Publikováno v:
Journal of Dairy Science. 73:1091-1099
In Experiment 1, 12 lactating Holstein cows were provided drinking water of either 10.6 or 27.0 degrees C for 24 h/d in a changeover design to examine the effects of water temperature on feed intake, water intake, respiration rate, rectal temperature
Publikováno v:
Journal of Dairy Science. 58:127-132
A computerized system with programs in Fortran IV was developed to organize and report routinely in chronological order detailed records of individuals in a dairy herd for teaching and research. The goal was to facilitate access to recorded informati
Autor:
C.E. Coppock
Publikováno v:
Journal of Dairy Science. 57:926-933
Displacement of the abomasum in dairy cows is occurring with increasing frequency in the United States and probably in other areas of the world where dairying is practiced intensively. The primary causative factor appears to be an atony of the abomas
Publikováno v:
Journal of Dairy Science. 69:124-134
Twenty-four Holstein cows were used to compare acceptance of concentrates and complete rations containing 1) no buffer, 2) 1.8% potassium bicarbonate, 3) 1.2% potassium carbonate, or 4) 1.5% sodium bicarbonate in the concentrate. When concentrate and