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Full-Text Articles in Life Sciences

A Manual For Hog Raisers, W. J. Loeffel Oct 1938

A Manual For Hog Raisers, W. J. Loeffel

Nebraska Agricultural Experiment Station: Historical Circulars

Hogs are one of Nebraska's principal sources of agricultural income. The popularity of the pig is doubtless due largely to his efficiency as a meat producer. He uses less feed to make a given gain than either the steer or the sheep. On being slaughtered, the pig dresses out a higher percentage of meat than either of the other two meat animals. Since pork is generally fatter than beef or lamb, it has a higher energy value. Pork lends itself to curing processes and, as cured meat and lard, occupies an important place in the world's commerce. Processing aids in …


The Utilization Of Food Elements By Growing Chicks. V. A Comparison Of Cottonseed Meal And Linseed Oil Meal As Portions Of The Protein Concentrate, C. W. Ackerson, M. J. Blish, F. E. Mussehl Jun 1938

The Utilization Of Food Elements By Growing Chicks. V. A Comparison Of Cottonseed Meal And Linseed Oil Meal As Portions Of The Protein Concentrate, C. W. Ackerson, M. J. Blish, F. E. Mussehl

Historical Research Bulletins of the Nebraska Agricultural Experiment Station

1. Two lots of newly hatched chicks were fed rations differing only in five per cent of their make-up. In the ration of one lot five parts of linseed oil meal were added to 95 parts of the base, and in the other ration a mixture of 4.5 parts of cottonseed meal and 0.5 part of starch was added, to keep the protein level the same. The remaining portions of the two concentrates were made up of five parts each of meat scraps and fish meal. 2. The amounts of feed consumed by all chicks of both lots were kept …


The Utilization Of Food Elements By Growing Chicks. Iv. Meat Meal And Fish Meal Compared With Meat Meal, Fish Meal, And Soybean Meal As Protein Concentrates, C. W. Ackerson, M. J. Blish, F. E. Mussehl Feb 1938

The Utilization Of Food Elements By Growing Chicks. Iv. Meat Meal And Fish Meal Compared With Meat Meal, Fish Meal, And Soybean Meal As Protein Concentrates, C. W. Ackerson, M. J. Blish, F. E. Mussehl

Historical Research Bulletins of the Nebraska Agricultural Experiment Station

1. Two groups of 15 newly hatched chicks were fed rations differing in the composition of the protein concentrates. One lot received ration 2MFX, in which the concentrate was a mixture of meat meal and fish meal. In ration 3MFSX one-third of the meat and fish meals was replaced by soybean meal. The protein levels of the concentrates and of the rations as fed, were identical. 2. The composition of the chicks at the end of the feeding trial was determined, and the composition of the gains calculated. 3. The gain in live weight per gram of nitrogen or dry …


The Utilization Of Food Elements By Growing Chicks. Ii. A Comparison Of Protein Concentrates From Single And Multiple Sources, C. W. Ackerson, M. J. Blish, F. E. Mussehl Oct 1937

The Utilization Of Food Elements By Growing Chicks. Ii. A Comparison Of Protein Concentrates From Single And Multiple Sources, C. W. Ackerson, M. J. Blish, F. E. Mussehl

Historical Research Bulletins of the Nebraska Agricultural Experiment Station

1. The effect of adding to a basal ration a protein concentrate consisting of meat scraps alone was compared with one made up of a mixture of meat scraps, fish meal, and dried buttermilk by means of growth and body-analysis experiments. 2. The percentages of nitrogen, calcium, and phosphorus contained in the chicks of the lot fed the mixture of three proteins were slightly higher than those found in the lot fed meat scraps as the concentrate. 3. The percentage rate of gain and the gain per gram of nitrogen fed were greater in the lot fed the mixture of …


Utilization Of Proteins By The Growing Chick, F. E. Mussehl, C. W. Ackerson May 1931

Utilization Of Proteins By The Growing Chick, F. E. Mussehl, C. W. Ackerson

Historical Research Bulletins of the Nebraska Agricultural Experiment Station

1. There is a marked difference in the nutritive value of the various protein-contributing concentrates when used to supplement a corn-wheat basal ration which has been made complete for known vitamin and mineral essentials. 2. There is a great difference in the biological value even of animal protein concentrates. 3. Soybean meal produced a better growth rate than any of the other plant concentrates used. Cottonseed meal proved to have a greater growth-promoting value than did linseed oil meal. 4. The supplementing values of protein concentrates, one to another, is not quite as evident as one would expect if the …