| HOME | HELP | FEEDBACK | SUBSCRIPTIONS | ARCHIVE | SEARCH | TABLE OF CONTENTS |
|
|
|
|||||||
|
|||||||||
* Department of Animal Science, University of Nebraska, Lincoln 68583-0908
Miner Institute, Chazy, NY 12921
Cargill Incorporated, Blair, NE 68008
2 Corresponding author: pkononoff2{at}unl.edu
An experiment was conducted with 36 primiparous and 40 multiparous Holstein cows to examine the effects of feeding wet corn gluten feed (WCGF) on 305-d milk production, dry matter (DM) intake, body condition score (BCS), and health. The experimental treatments included: 1) control—WCGF not fed (n = 27); 2) WCGF-L—cows received diets containing WCGF (38% DM basis) during lactation (n = 23); and 3) WCGF-DL—cows received diets containing WCGF (38% DM basis) during the dry period and lactation (n = 26). During the dry period, cows consuming WCGF were observed to have a significant gain in BCS (0.07 ± 0.06) compared with a loss in BCS in cows fed the control diet (control = –0.11 ± 0.06 and WCGF-L = –0.04 ± 0.06). During lactation, there were no differences by treatment on BCS. Cows consuming WCGF during lactation consumed more feed compared with the control: 25.4, 23.8, and 21.2 ± 0.76 kg/d for WCGF-L, WCGF-DL, and the control, respectively. Milk production was higher for cows consuming WCGF: 35.0, 34.7, and 31.1 ± 2.1 kg/d for WCGF-L, WCGF-DL, and the control, respectively. No differences were found in either DM intake or actual milk yield between the WCGF-L and WCGF-DL treatments, indicating that prepartum diets did not influence lactational performance. The WCGF diets resulted in significant reductions in the concentration of milk fat (3.94, 3.74, and 4.15 ± 0.08% for WCGF-L, WCGF-DL, and the control, respectively), but because total milk yield was increased, there were no differences in total milk fat yield. In addition, 3.5% of fat-corrected milk tended to be affected by diet: 38.9, 36.3, and 34.7 ± 1.93 kg/d for WCGF-L, WCGF-DL, and the control, respectively. The increasing effect of DM intake and milk yield in cows consuming WCGF resulted in a similar efficiency of 3.5% fat-corrected milk production for all treatments, averaging 1.5 ± 0.09. Total protein yields were significantly higher for cows consuming WCGF diets during lactation: 1.15, 1.10, 1.00 ± 0.06 kg/d for WCGF-L, WCGF-DL, and the control, respectively. These results indicate that diets may be formulated to contain as much as 37.5% WCGF (DM basis).
Key Words: lactation • corn gluten feed • dairy
This article has been cited by other articles:
|
|
 |
|
  C. R. Mullins, K. N. Grigsby, and B. J. Bradford Effects of alfalfa hay inclusion rate on productivity of lactating dairy cattle fed wet corn gluten feed-based diets, J Dairy Sci, July 1, 2009; 92(7): 3510 - 3516. [Abstract] [Full Text] [PDF]
|
|
|
|
 |
|
 D. W. Shike, D. B. Faulkner, D. F. Parrett, and W. J. Sexten Influences of Corn Co-products in Limit-Fed Rations on Cow Performance, Lactation, Nutrient Output, and Subsequent Reproduction Professional Animal Scientist, April 1, 2009; 25(2): 132 - 138. [Abstract] [PDF]
|
|
|
|
|
|
B. N. Janicek, P. J. Kononoff, A. M. Gehman, K. Karges, and M. L. Gibson Short Communication: Effect of Increasing Levels of Corn Bran on Milk Yield and Composition J Dairy Sci, September 1, 2007; 90(9): 4313 - 4316. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
P. J. Kononoff, S. K. Ivan, and T. J. Klopfenstein Estimation of the Proportion of Feed Protein Digested in the Small Intestine of Cattle Consuming Wet Corn Gluten Feed J Dairy Sci, May 1, 2007; 90(5): 2377 - 2385. [Abstract] [Full Text] [PDF]
|
|
| HOME | HELP | FEEDBACK | SUBSCRIPTIONS | ARCHIVE | SEARCH | TABLE OF CONTENTS |
