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COMPOSITION Oc c=cr~= Tables 4 and 5 give the composition of feeds commonly used in rabbit diets.* Two larger compilations are ava~l- able.T NOMENCLATURE In previous NRC nutrient requirement reports, the names of the feeds gave considerable detail as to the way the feed was processed and the grade or quality designation. In this publication short names are used. A complete short feed name consists of as many as eight components. However, only the components needed to identify the feed are used. The components are as follows: Origin (or parent material) Species, variety, or kind Part eaten Processfes) and treatmentts) undergone before fed to animal Stage of maturity ~ Cutting or crop Grade or quality designation Classification Feeds of the same origin (and the same species, variety, or kind, if one of these is stated) are grouped into eight * These tables were prepared by the Subcommittee on Feed Composition, Committee on Animal Nutrition, National Re- search Council: Charles W. Deyoe, Chairman, J. R. Aitken, Joe H. Conrad, Lonn E. Harris, Paul W. Moe, R. L. Preston, Peter J. Van Soest, and the International Feedstuffs Institute, Logan, Utah. ~ Publication 1684, United States-Canadian Tables of Feed Composition, lists about 400 feeds. Publication 1919, Atlas of Nutritional Data on United States and Canadian Feeds, lists about 6,150 feeds. Both are published by the National Academy of Sciences, Washington, D.C. classes, each of which is designated by the "International Feed Number." The numbers and classes they designate are as follows: 1. Dry forages and roughages 2. Pasture, range plants, and forages fed green 3. Silages 4. Energy feeds Protein supplements Minerals 7. Vitamins 8. Additives Feeds that in the dry state contain on the average more than 18 percent of crude fiber are classified as forages or roughages. Feeds that contain 20 percent or more of protein are classified as protein supplements. Products that contain less than 20 percent of protein and less Han 18 percent crude fiber are classified as energy feeds. Abbreviations have been devised for some of He terms in the short feed names (Tables 6 and 71. A six-digit "International Feed Number" is listed in Tables 4 and 5 for each feed. The first digit is the class of the feed. This feed number may be used as the "numen- cal name" of a feed when making up a diet with electronic computers. This number is also listed after each "Legal Feed Definition" in the Association of American Feed Control Officials Handbook.* A description of how He short names are made up is given in Table 7. When written out in linear form, the names in Table 7 would appear as follows, with a comma between each component. Feed No. 1: Clover, red, hay, s-c Feed No. 2: Soybean., seeds, meal solv extd 44~o pros tein Feed No. 3: Wheat, grain, soft white winter * Ernest A. Epps, Jr., Division of Agricultural Chemistry, P.O. Box 16390-A, Baton Rouge, Louisiana 70SO3. 16

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Nutrient Requirements of Rabbits 17 The names may vary slightly in each report because changes are made as more is known about a given feed or because the Association of American Feed Control Offi- cials or the Canada Feeds Act may change the name or definition of a feed. However, if the feed is the same, the international feed number remains We same even though the name changes. LOCATING NAMES IN THE TABLES To locate the name of a feed in the table of feed composi- tion, one must know the name of the parent material (e.g., Me origin of We feed) and usually the variety or kind of parent material. Parent materials are of four types: plant, animal, poultry, and fish. For a feed derived from a plant, He origin term is He name of the plant (e.g., Alfalfa, Barley, Oats). For a feed derived from animals or poultry, He origin term is He name of He animal or bird (e.g., Cattle, Chicken, Whale). For a feed of fish origin, the original term is "Fish" followed by the species or variety (e.g., Fish, cod; Fish, menhaden). When the specific origin of a feed derived from poultry or fish is not known, the origin term is "Poultry" or "Fish." When a specific origin of a feed derived from animals is not known, the origin term is the name of the animal product (i.e., Blood, meal). Molasses is listed under "Molasses." DATA Little data have been published on biological feed values for rabbits. In view of this, digestible energy (DE), diges tible protein, and total digestible nutrients (TDN) were calculated from digestion coefficients of Voris et al. (1940~. Where digestion coefficients were not available, diges- tible energy and digestible protein were calculated for dry forages (class 1 feeds) and green forages (class 2 [Beds) by formulas of Fonnesbeck and Harris.* For legumes, DE (kcal/kg) = 4,340 - 68X and, for grasses, DE (kcal/kg) = 4,340 - 79X, where X equals crude fiber percentage on a dry basis. Digestible protein (percent)=0.85X-2.5, where X equals protein percentage on a dry basis. The analytical data are expressed in He metric system and are on an as-feed and dry basis. Analytical data may diner in He various NRC reports because the data are updated for each report. Individual feed samples may vary widely from averages in the tables of feed composi- tion. Vanations are influenced by factors such as crop, variety, climate, soil, and length of storage. Therefore, He values given should be used wig judgment and related, if possible, to analyses about the feed on hand for critical nutrients. See Table 8 for stages of maturity, Table 9 for weight- unit conversion factors, and Table 10 for weight equiva- lents. * P. V. Fonnesbeck and L. E. Harris, 1976, unpublished data, International Feedstuffs Institute, Utah State University, Logan, Utah.

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18 Nutrient Requirements of Rabbits TABLE 4 Composition of Some Common Rabbit Feeds, Excluding Amino Acids As-Fed Basis and Dry Basis (Moisture Free) Scientific Name Short Same Nitric Protein gen American Feed Control Name (AAPCO) Interna- Dry Crude Ether Free Cal- Chlm Line Canada Feeds Act Name (CFA) tional Matter DE TON Total Dig Fiber Extract Extract Ash cium rine Copper No. Other Names Feed No.a (%) (kcalikg) (%) (DO) (%) (%) (%) (%) (%) (%) (%) (mg/icO) 1 ALFALFA. Medicago saliva fresh 2-00-196 4 5 6 -hay, s-c, full bloom 7 8 9 10 11 -hay, s-c, early bloom meal dehy, 17% protein -meal dehy, 20% protein 24 100 1-00-059 89 100 1-00-068 88 100 1-00-023 92 100 1-00-024 92 100 620 2540 2200 2470 1780 2000 2350 2540 2610 2830 14 4.9 3.5 6.5 57 19.9 14.4 26.5 50 17.7 12.9 24.9 56 19.9 14.3 28.0 40 13.3 9.1 30.6 45 15.0 10.3 34.4 53 17.4 12.2 23.9 58 18.9 13.3 26.0 59 20.2 15.0 20.3 64 22.1 16.3 22.2 0.8 3.2 2.4 2.7 1.6 1.9 2.7 2.9 3.2 3.5 10.1 2.2 41.3 9.1 37.3 8.1 41.8 9.0 35.5 7.8 40.0 8.9 38.1 9.8 41.3 10.6 37.4 10.4 409 11.3 0.450.11 2.6 1.87 0.48 10.9 1.33- 19.3 1.49-21.7 1.13- 10.31 1.29- 11.72 1.320.48 8.99 1.440.52 9.77 1.530.47 8.40 1.680.51 9.20 12 BAKERY. 13 -waste, dehy 4-00466 924190 101 9.8 9.4 i.0 11.5 65.1 4.5 0.200.90 14 Dried Bakery Product (AAFCO) 1004560 110 1a7 10.2 1.1 12.5 7a8 4.9 a220.98 15 BARLEY. IVordeum vu/gare 16 Train 4-00-549 893330 75 12.4 9.9 5.6 1.7 67.1 3.1 0 040.188.09 17 1003740 84 13.9 11.1 fi3 1.9 75.2 3.5 0.050.209.09 18 ~rain, Pacific Coast 4-07-939 893330 75 9.5 8.0 6.2 1.9 68.4 2.5 0.040.158.09 19 1003740 84 10.7 9.0 7.0 2.2 76.9 2.8 0.050.179.09 20 BEET, SUGAR. Beta saccharifera 21 -pulp, dehy 4-00-669 903080 70 8.6 4.1 18.3 0.5 58.4 4.7 0.650.0412.38 22 Dried Beet Pulp (CPA) 1003420 78 9.5 4.6 2a2 as 64.7 5.2 a72ao413.76 23 Dried Beet Pulp (AAFCO) 24 BERMUDAGRASS. Cynodon dactylon 25 -hay, s-c 1-00-703 911890 43 7.5 4.0 26.0 1.8 49.0 7.0 0.37-- 26 1002030 47 8.2 A5 28.6 20 53.9 7.7 am-- 27 BERMUDAGRASS, COASTAL. Cynodon dactylon 28 -hay, s-c 1-00-716 911770 40 11.1 5.7 27.6 2.1 46.5 5.7 0.35-- 29 1001940 44 12.3 6.2 30.4 2.3 51.1 6.3 0.38-- 30 CLOVER. Trifolium pretense 31 -red, hay, s-c 1-01415 872170 49 14.1 9.8 25.5 2.4 38.1 7.5 1.300.289.49 32 1002390 54 15.9 11.0 28.7 2.8 44.0 8.5 1.490.3210.91 33 CORN. Zea mays 34 Gluten, meal 5-02-900 91 - - 42.9 31.5 4.6 2.1 39.4 3.1 0.15 0.07 28.30 35 Corn Gluten Meal (CFA) 100 - - 47.2 34.6 5.0 2.3 43.3 3.4 0.16 0.08 31.10 36 Corn Gluten Meal (AAFCO) 37 ~rain, cent yellow 4-02-935 89 3790 83 9.3 7.3 2.0 3.9 72.8 1.3 0.03 0.04 3.20 38 100 4260 93 10.5 8.3 22 4.4 82.1 1.5 0.03 0.05 3.60 39 COTTON. Gossypiam spp. 40 -seeds, meal solv extd, 41% protein ~01-621 90 3090 67 40.7 34.5 12.6 2.1 31.8 6.2 0.17 0.05 20.48 41 100 3430 74 45.2 38.4 14.0 2.3 34.9 6.8 0.19 aos 22. 76 42 DICALCIUM PHOSPHATE. 6-01-080 97 0 0 0.0 0.0 0.0 0.0 0.0 79.2 23.00 - 6.01 43 Dicalcium phosphate (AAFCO) 100 0 0 0.0 0.0 0.0 `0.0 0.0 81.4 23.70 - fi20 44 FLU. Linum usitatissimum 45 -seeds, meal sole eland 5-02-048 90 3430 68 35.0 30.4 8.9 1.6 38.4 5.7 0.38 0.04 25.69 46 Solvent-Extracted Linseed Meal (CFA) 100 3810 75 38.9 33.9 9.9 1.8 42.8 6.4 0.43 0.04 28.54 47 Linseed Meal, Solvent Extracted (AAFCO) 48 MILK. 49 -dehy 5-01-167 96 5180 118 25.2 25.4 0.2 26.7 38.3 5.6 0.91 1.49 0.91 50 Dried whole milks feed grade (AAFCO) 100 5380 123 26.3 26.4 0.2 27.8 39.7 5.8 0.95 1.55 0.94 51 -skimmed dehy ~01-175 94 - - 33.6 32.9 0.3 0.9 51.1 8.0 1.28 0.90 11.66 52 Dried skimmed milk, feed grade (AAFCO) 100 - - 35.7 35.2 0.3 as 54.6 8.6 1.37 ash 12.41

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Nutrient Requirements of Rabbits 19 As-Fed Basis and Dry Basis (Moisture Free) - Provi Pant ~tamin A Mag- Man- Phos- S ~Sul- Folic thenic (Car ~Vita- Rib ~Th~a- Vita Line lod~ne tron nesium sanese phorus dium fur Zinc Biotin Choline Acid Niacin Acid tene) min B6 flavin min min E No.(mglkg) (%) (%) (mglkg) (%) (%) (%) (mgilcg) (mglkg) (mglkg) (mgJkg) (mg/kgJ (mg~) (m~lkg) (mglkg) (mg/kg) (mglkg) (mglkg) 2- 0.012 0.05 3- 0.049 0.20 4- 0.018 0.29 5- 0.020 a33 6- 0.015 0.27 7- 0.017 a31 80.149 0.042 0.29 9a 161 0.046 a32 100.137 0.037 0.34 11a 150 aO40 a37 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 - 0.006 0.32 - aoo7 a3s 0.050 0.008 0.13 aos6 aoos a 15 - 0.011 0.12 0.012 0.13 15.1 62.9 27 5 30.9 32.1 36.s 30.8 33.5 33.4 36.5 35.1 38.2 16.3 18.6 16.2 18.3 -0.030 0.27 34.5 -0.033 0.30 38.3 0.1~)4- 0.15 0.115- 0.17 -- 0.15 -- a'7 -0.018 0.37 ao2 1 0.43 -0.039 0.05 - 0.043 aos 0.052 0.003 0.12 0.059 aO03 0.14 - 0.022 0.56 - 0.024 0.62 - 0.128 0.60 - 0.132 a62 - 0.032 0.60 _ 0.035 0.67 63.8 73.3 7.3 8.0 5.0 5.6 20.5 22.8 148.6 153.2 37.5 41.8 - 0.017_ 0,5 - 0.0 18- 0.5 - 0.0050.12 2.2 - 0.0050.13 2.3 0.06 0.05 0.26 als 0.23 0.14 0.26 o. 15 0.20 0.04 0.23 ao4 0.24 0.12 0.26 a 13 0.27 0.1 1 a30 a 12 0.41 0.60 a.44 a66 0.33 0.03 0.37 ao3 0.34 0.02 0.38 ao2 0.09 0.21 alO 0.23 0.22 0.16 0.25 a 18 0.46 0.08 0.51 o.o9 0.28 0.01 a31 ao1 1.09 0.04 1.21 aos 18.27 2.63 18.84 2.71 0.81 0.14 o.9o o. 15 0.10 4.2 a4 1 17.6 0.25 15.3 0.28 172 0.23 21.1 a26 24.0 0.24 19.4 a26 21.1 0.42 22.9 a46 25.0 0.02 1 5.0 0.02 16.4 0.16 15.2 o. 18 17.0 0.15 15.2 0. 17 17.1 0.20 0.7 a22 0.8 0.12 373 ads 1556 0.30 1401 0.33 1523 0.33 1446 a36 1582 0.07 1165 aos 1268 0.14 913 0.16 1026 0.15 991 0.17 1114 810 900 - 11.8 - 49.1 2.07 39~3 2.25 42. 7 2.64 49.1 2.87 53.7 0.15 26.2 0.16 28.5 0.53 75.2 0.60 84.5 0.50 47.4 0.56 53.3 8.7 36.4 29.3 31.8 35.3 38.7 21.S 23.3 7.4 8.3 7.9 8.9 - 16.7 1.4 - 18.S 1.5 __0.9 __1.0 0.1210.0 0.1411.2 0.2160.0 0.2366.0 - 26.8 - 27.6 0.730.36-- a760.38 1.020.350.324t.0 1.090.370.3443.6 0.17369 0. 19405 0.06542 0.07609 0.592752 0.663058 0.00 0.00 0.34 0.37 0.36 0.40 2.79 3.06 0.0 0.0 0.38-- a40 0.3313910.47 0.3514800.50 37.0 9.7 42.6 11.2 50.0 9.8 55.0 1as 30.4 6.7 34.2 7.5 40.6 13.9 45. 1 15.4 0.0 0.0 0.0 0.0 29.1 14.8 32.4 16.4 16.3 7.89 17.9 8.77 2.2 5.24 2.S 5.89 - 6.29 - 6.99 0.0 0.0 0.0 0.0 8.4 22.8 7.1 8.8 23.8 7.4 11.5 36.9 - 12.2 39.3 - 46.61.60 194.06.68 10.6- 12.0- 120.68.00 131.1B.70 151.39.30 165.610.17 4.630.99 5.033.72 2.56.27 2.87.04 - 2.90 - 3.26 3.2 1.4 13.4 5.9 13.3 3.4 14.4 3.7 14.3 5.3 15.6 5.8 1.1 1.2 1.5 1.6 1.4 3.9 1.6 4.4 1.5 4.2 1.7 4.7 146 608 124 135 145 158 219 238 14 16 21 24 0.7 0.8 15.5 17.8 1.5 1.6 1.3 1.5 4.8 5.3 0.0 0.0 2.8 3.1 4.74 1 9.8 3.7 494 20.6 3.9 4.25 19.2 3.~3 4.52 20.4 4.0 0.4 0.4 0.2 34 0.2 37 2.0 23 2.3 26 6.2 14 6.9 16 0.0 0 ao 0 7.7 16 8.6 18 9 10

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20 Nutrient Requirements of Rabbits TABLE 4 Composition of Some Common Rabbit Feeds, Excluding Amino Acids~ontinued Scientific Name Short Name American Feed Control Name (AAFCO) Line Canada Feeds Act Name (CFA) No. Other Names As-Fed Basis and Dry Basis (Moisture Free) Nitro Protein gen lnterna- Dry Crude Ether Free Cal- Chl~ tional Matter DE TDN Total Dig Fiber Extract Extract Ash cium fine Copper Feed No.' (%) (kcal/lcg) (%) (%) (%) (%) (%) (%) (%) (%) (%) (mglkg) 53 MOLASSES. 54 -sugarcane. Saccharum officinarum 4-04-696 75- - 3.9 2.0- 0.1 63.7 7.4 0.792.78 60.38 55 Cane Molasses (AAFCO) 100 - 5.2 2.7- 0.1 84.9 98 1.053.71 BO51 56 OATS. Avena sativa 57 Grain 4-03-309 892950 65 12.1 9.210.6 4.5 58.7 3.4 0.060.11 6.3 58 1003310 73 13.6 10.411.9 5.1 66.0 3.8 0.070.12 7. 15 59 PEANUT. Arachis hypogaea 60 -kernels, meal solv extd 5-03-650 924120 90 49.9 45.210.5 2.4 28.5 - 0.200.03 15.26 61 Solvent-Extracted Peanut Meal (AAFCO) 100- 80 98 54.2 49.211.3 2.6 31.1 _ 0.22ao3 16.59 62 PHOSPHATE. 63 -defluorinated grnd ~01-780 1000 0 0.0 0.00.0 0.0 0.0 - 31.65- 66.16 64 Phosphate, Defluorinated {AAFCO) 100 0 0 no so o.o no o.o - 31.65 - 66.16 65. RYE. Secale cerea/e 66 Grain 4-04-047 88 3590 77 12 1 9.0 2.3 1.6 74.5 1.7 0.06 0.03 6.75 67 100 4080 88 13.8 10.7 2.6 1.8 81.0 1.9 0.07 ao3 7.67 68 SORGHUM. Sorghum vu/gare 69 Grain 4-04-383 89 3330 - 10.7 6.4 2.2 3.1 72.0 2.1 0.04 0.09 9.65 70 100 3745 - 12.0 7.2 2.4 3.5 81.5 2.4 ao4 0.10 10.84 71 SOYBEAN. Glycine max 72 -seeds, meal solv extd ~04-604 89 3770 82 46.1 41.4 5.8 1.0 30.8 5.9 0.28 0.03 27.30 73 Soybean Meal, Solvent Extracted (AAFCO) 100 4240 92 51.8 46.5 6.5 1.1 34.6 fi6 0.31 aQ3 30.67 74 -seeds wo hutis, meal solv extd ~04 612 90 - - 50.2 45.0 3.0 0.9 30.4 5.8 0.24 0.05 21.70 75 Soybean Meal, Oehulled, Solvent EXtracted 100 - - 55.6 49.8 3.3 1.0 33.7 6.4 a27 aO5 24.15 76 ~AAFCO) 77 SUNFLOWER. Helianthus spp. 78 -seeds wo hulls, meal solv extd 544-739 93 - - 46.3 41.2 11.0 2.9 24.8 7.7 0.38 0.10 3.50 79 Sunflower Meal, Dehulled, Solvent Extracted 100 - - 49.8 44.4 11.8 3.1 26.7 8.3 0.41 0.11 3.77 80 (AAFCO) 81 nMoTHy. Phleam pretense 82 -hay, s-c, m~dbloom 1-04883 88 1420 32 8.4 4.9 30.0 2.2 40.0 6.0 0.36 - 4.46 83 100 1600 36 9.5 5.6 34.1 25 45.4 6.9 0.41 - 5.07 84 WH EAT. Triticum spp. 85 -bran =05-190 89 2610 57 15.1 12.8 10.3 4.2 53.8 5.9 0.11 0.05 12.78 86 Bran (CFA) 100 2930 64 17.0 14.4 11.7 4.8 6a7 6.7 0.12 0.06 1A36 87 Wheat Bran (AAFCO) 88 ~rain, hard red spring 4-05-258 89 3680 79 15.6 9.2 2.6 2.0 69.1 1.7 0.04 0.08 6.39 89 100 4130 89 17.5 1a3 3.0 2.3 77.7 1.9 0.04 0.09 7.18 90 Grain hard red winter 445-268 89 36B0 84 12.8 9.0 2.4 2.0 69.4 1.7 0.04 0.05 4.79 91 ' 700 4730 94 7A4 7a2 27 Z3 78.2 7.9 ao5 ao6 !~.38 92 ~rain, soft white winter 405-337 88 3680 79 9.8 8.6 2.7 1.7 71.2 2.0 0.05 0.08 6.90 93 100 4130 90 11.1 9.8 3.0 2.0 81.1 2.3 0.06 0.09 7.84 The first digit is the feed class: (a) dry forages and roughages; (2) pasture, range plants, and forages fed green; (3) silages; (4) energy feeds; (5) protein supplements; (6) minerals; P) vitamins; (8) additives.

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Nutrient Requirements of Rabbits 21 As-Fed Basis and Dry Basis (Moisture Free) tmg/kg) (%) (%) - 0.020 0.35 - ao26 a47 - 0.008 0.12 - aDos 0.14 - - 0.04 - - ao4 - 0.709 0.27 - 0.709 0.27 - 0.006 0.36 - 0.007 0 41 - 0.004 0.18 - 0.005 0.20 - 0.012 0.27 ao13 0.30 - 0.003 0.73 - a.oo4 a78 - 0.012 0.14 - 0.014 0.16 0.074 0.011 0.52 1 10.6 0.083 0.012 0.58 124.3 Provi Pant~ tamin A Mag- Man- Phos- Sm Sul- Folic thenic (Car ~Vita- Rib~ Thia- Vi~- n~:ium ganese phorus dium h~r Zinc Biotin Choline Acid Niacin Acid tene) min B6 flavin min min E (mg/kg) (%) (%) (%) (mglkg) (mg/lcg) (mg/kg) (mg/kg) (mglkg) (mg/kg) (mgJkg) (mglkg) (mglkg) (mg/kg) (mg/kg) 42.8 0.08 0.16 57.1 0.11 a22 Line l' No. 53 54 ~5 56 ~7 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 - O. 006 0.16 37.4 0.38 0.03- 26.3 0.12 854 0.41 57.8 10.110.3 5.14 1.4 4.3 89 - 0007 a78 420 0.43 Q03- 29.6 al3 960 0.46 64.9 11.311.6 5.78 1.6 4.8 90 - 0.004 0.10 29.3 0.38 0.020.15 30.6 0.11 1046 0.37 54.2 10.0- 3.03 1.5 4.3 91 0.004 0.12 32.9 0.43 0.020.17 34.5 a 12 1175 0.42 60.9 11.2- 3.40 1.7 4.8 92 - 0.004 0.10 38.1 0.32 0.03- 27.8 0.11 967 0.36 35.4 11.1- 4.07 1.2 4.7 93 - aoa ~Q11 43.3 a36 aD3- 31.6 al2 1099 Q41 6a2 1Z6- 4.62 1.4 5.3 37.4 0.33 42.0 0.37 26.9 0.63 29.2 ass 696.4 13.70 696.4 13.70 55.0 0.32 625 0.36 1 5.4 0.29 17.3 0.33 28.4 0.62 31.9 0.70 27.8 0.62 3as 0.69 14.4 1.05 15.5 1.13 40.7 0.17 46.3 0.19 0.34 22.5 a46 3ao 0.16 0.21 0. 18 0.23 0.19 0.13 0.19 0.13 0.03 0.15 0.03 0.17 0.03 0.14 ao3 a 16 0.28 0.43 0.31 0.48 0.26 0.43 0.28 0.48 32.8 35.6 74.0 74.0 31.8 36. 1 14.3 16.1 42.6 47.9 45.3 50.1 0.70744 as4992 0.241013 0.271 138 0.321898 a362133 o.oo ao0 0.41622 0.46699 0.232630 a362955 0.322757 0.363053 1.21 - - - 3596 1.30 - - - 3870 0.16 0.11 - 0.18 0.1 0.11 als 0.30 0.33 0.40 a44 0.0 ao 0.62 a70 0.20 0.23 0.45 0.50 0.70 a7s 40.6 39.2 54.2 522 13.7 7.4 0.1 15.4 8.3 a 1 1 66.3 48.5 186.8 54.5 o.o o.o o~o o.o 20.5 9.0 23.3 10.2 40.8 1 1.2 45.8 12.6 27.5 16.0 3as 18.0 21.7 14.6 24.0 16.2 0.0 ao 10.2 11.6 1.2 1.3 0.2 a2 225.224.8- 274.42fi7- _47.0 -53.4 1.26 0.04 0.22 109.8 0.57 1865 1.21 273.1 47.9 2.6 1.42 0.04 a25 123.9 0.64 2095 1.37 306.8 53.8 2.9 6.50 2.8 8.67 3.8 2.53 1.5 2.84 1.7 5.28 1 0.6 5.93 1 1.9 0.0 0.0 o.o ao 2.59 1.6 2.94 1.8 4.62 1.2 5. 19 1.4 6.39 2.9 7.18 3.3 8.00 3.1 8.86 3.4 1 5.98 4.2 17.20 4.5 1 0.55 4.8 11.85 5.4 0.9 1.2 6.3 12 7.1 14 5.5 3 6.2 0.0 0 ao 0 3.0 3.4 4.2 11 4.7 5.5 2 fi2 2 2.2 3 2.4 4 - 11 - 12 6.6 21 7.4 24 12.8 14.4 11.1 125 13.7 15.6

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22 Nutrient Requirements of Rabbits TABLE 5 Amino Acid Composition of Some Common Rabbit Feed Ingredients Scientific Name Short Name American Feed Control Name (AAFCO) Line Canada Feeds Act Name (CFA) No. Other Names 1 ALFALFA Medicago saliva 2 -fresh 3 4 -hay, s-c, early bloom 5 6 -hay, s-c, full bloom 8 9 10 11 12 BAKERY. 13 -waste, deny 14 Dried Bakery Product (AAFCO) 15 BARLEY. Hordeum vu/gare 16 Train 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 -meal deny, 17% protein -meal deny, 20% protein ~rain, Pacific Coast BEET, SUGAR. Beta saccharifera -pulp, deny Dried Beet Pulp (CFA) Dried Beet Pulp (AAFCO) BERMUDAGRASS. Cynodon dacty/on -hay, s-c BERMUDAGRASS, COASTAL. Cynodon dacty/on -hay, s-c CLOVER. Trifo/ium pretense -red, hay, s-c CORN. Zea mays Gluten, meal Corn Gluten Meal (CFA) Corn Gluten Meal (AAFCO) COTTON. Gossypium spp. -seeds, meal solv extd, 41% protein 5-01-621 90 100 DICALCIUM PHOSPHATE. Dicalcium phosphate (AAFCO) FL~(. Linum usitatissimum -seeds, meal solv extd Solvent-Extracted Linseed Meal (CFA) Linseed Meal, Solvent Extracted (AAFCO) MILK. Thy Dried Whole Milk, Feed Grade (AAFCO) -skimmed deny Dned Slcimmed Milk, Feed Grade (AAFCO) As-Fed Basis and Dry Basis (Moisture Free) tnterna tional Dry Argi- Cys- Plisti- Iso- Leu- Ly- Methi- PhenyI- Thr~ Tryp- Tyro Feed Matter nine tine dine leucine cine sine onine alanine onine tophan sine Valine No.8(%)(%) (%) (%) (%) (%) (%) (%) (%) (%) (%) (%) (%) 2 00-19624- - - 100- - - 1-0~059890.80 0.32 0.24 0.72 100aSo a36 0.28 0.81 1-00-06B880.62 0.03 0.26 0.66 Aft aa3 0.30 0.81 0.76 0.30 0.32 0.82 0.82 0.32 a34 0.89 0.95 0.31 0.34 0.87 1.04 0.34 0.37 0.95 100 1 00-023 92 100 1 00-024 92 100 4-00466 92 100 0.51 0.18 0.15 0.36 0.55 a 19 0.16 a3s 4-00-549 890.550.210.260.51 1000.62a23a29as7 4~7-939 890.440.200.210.40 1000.490.22a24O45 4-00-669 900.30-0.200.30 1000.33-0.22a33 1-00-703 91 100 1-01415 87 100 5-02-900 911.420.660.962.21 1001.560.731.062.43 4-02-935 890.500.t30.200.40 100asha 150.22a45 4.360.671.021.20 4.790.731.121.32 6-01-080 97---- 100---- 5-02 048 90 100 3.05 0.62 0.68 1.74 3.40 ads 0.76 1.94 7.33 0.83 1.07 8.05 asl 1.18 1.10 0.20 0.13 1.24 0.22 a 15 2.17 1.59 0.49 2.38 7.74 0.54 2.16 1.20 0.57 2.41 1.34 a64 2.78 3.06 0.50 0... 2.00 2.20 1.58 1.76 5-01-167 96 0.92- 0.72 1.34 2.57 2.26 0.62 1.34 100 0.96- 0. 75 1.39 2.67 2.35 0.64 1.39 5-01-175 94 1.150.45 0.84 2.16 3.23 2.48 0.90 1.58 100 1.23a48 0.90 2.31 3.46 2.66 0.96 1.69 __ _ 1.130.89 0.16 1.271.00 0.18 0.89 0.54 009 1.010.61 a 10 1.27 0.90 0.21 1.370.97 a23 1.37 0.90 0.32 1.500.98 035 0.70 0.32 0.17 0.76 0.35 0.19 0.82 0.46 0.18 as2 0.51 0.20 0.60 0.27 0.14 0.67 0.30 o. 16 0.60 0.59 0.01 0.66 0.66 0.01 0.71 0.63 a80 0.71 - 0.62 - 0.71 0.79 0.68 0.85 0.74 0.86 0.74 0.94 0.81 0.40 0.44 0.44 0.48 0.61 0.38 0.69 0.43 0.48 0.29 0.54 0.33 0.30 0.33 -- 0.240.48 0.72 O27ash 0.81 0.09- 0.62 a lo- 0.71 0.35 0.56 0.83 0.38 a60 0.90 0.43 0.61 0.97 0.47 0.67 1.06 0.10 0.30 0.40 all a33 am 0.16 0.36 0.62 a 18 0.40 ass O.t2 - 0.46 a 14 - as2 0.40 0.10 am 0.11 0.40 0.40 0.44 0.44 1.43 0.21 1.57 0.23 0.40 0.09 0.45 0.11 1.21 0.48 1.33 as3 1.29 0.53 1.44 ass 1.00 2.24 silo 2.46 0.44 0.38 aso 0.42 1.06 1.64 !.l6 1.80 - 1.82 - 2.03 1.03 0.41 1.34 1.75 1.07 0.43 1.39 1.81 1.58 0.43 1.13 2.30 1.69 0.46 1.21 2.45

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Nutrient Requirements of Rabbits 23 TABLE 5 Amino Acid Composition of Some Common Rabbit Feed Ingredients~ontinued Scientific Name Short Name American Feed Control Name (AAFCO) Line Canada Feeds Act Name (CFA) No. Other Names 53 MOLASSES. 54 Arcane. Seccharum officinarum 55 Cane Molasses (MFCO) As-Fed Basis and Dry Basis (Moisture Free) Interna tional Dry Argi- Cys. Histi- Iso- Leu- Ly- Methi- Phenyl- Thre- Tryp- Tyro Feed Matter nine tine dine leucine cine sine onine alanine onine tophan sine Valine No.' (%) (%) (%) (%) (%) (%) (%) (%) (%) (%) (%) (%) (%) 4-04-696 75 100 56 OATS. Avena sativa 57 Grain 4-03-309 890.570.150.090.530.090.340.180.600.400.121.070.70 58 1000.640.170.100.600.100.380.200.670.450.141.200.79 59 PEANUT. Arachis hypogaea 60 -kernels, meal solv extd 5-03-650 925.90-1.202.003.702.300.402.701.500.501.802.80 61 Solvent-E,aracted Peanut Meal(AAFCO) 1006.45_1.312.194.04251am2951.64a557973.06 62 PHOSPHATE. 63 -defluorinated grnd ~01-780 100------------ 64 Phosphate, Defluorinated (AAFCO) 100 65 RYE. Secale cerea/e 66 Grain 4-04-047 880.530.190.260.500.690.420.170.570.360.130.260.60 67 100a600.22a300.560.78Q48a 190.64am0.140.30Q68 68 SORGHUM. Sorghum vulgare 69 Grain 4-04-383 890.360.180.270.531.420.270.090.450.270.090.360.53 70 1000.40a200.300.601.600.300.100.500.300.100.400.60 71 SOYBEAN. Glycine max 72 -seeds, meal solv extd ~04-604 893.250.671.142.443.492.920.602.261.780.651.242.36 73 Soybean Meal, Solvent Extracted (AAFCO) 1003.650.751.272.733.923.28a682.532.000.721.402.65 74 -seeds wo hulls, meal solv extd 5-04-612 903.760.771.262.573.823.220.722.571.920.692.012.72 75 Soybean Meal, Dehulled, Solvent 1004.160.851.402.854.233.570.802.852.120.762.233.02 76 Extracted (AAFCO) 77 SUNFLOWER. Helianthus spp. 78 seeds wo hulls, meal solv extd 5-04-739 933.370.721.001.942.601.671.032.061.500.56-2.25 79 Sunflower Meal,Dehulled,Solvent 1003.620.781.082.092.801.791.102.221.61a60-2.43 80 Extracted (AMOCO) 81 TIMOTHY. Phleum pretense 82 -hay, s-c, midbloom 1-04 883 88------------ 83 100------------ 84 WHEAT. Triticum spp. 85 -bran 4-05-190 890.960.250.350.580.900.580.170.500.430.330.400.73 86 Bran (CFA) 1001.080.280.390.651.02a650.190.560.480.370.450.83 87 Wheat Bran (AAFCO) 88 ~rain, hard red spring 4-05-258 890.590.240.240.590.900.360.190.680.370.140.570.59 89 1000.670.280.270.671.010.410.21a760.410.16a640.66 90 Grain hard red winter 4-0~268 890.570.250.220.570.870.380.230.650.390.180.500.56 91 ' 1000.650.29a250.640.900.43a2s0.73a440.200.570.63 92 -grain soft white winter 4-0~337 880.400.270.200.420.590.320.170.450.320.120.390.44 93 ' 1000.450.300.230.470.670.36a 190.51Q360.140.440.60 lathe first digit is the feed class: (1) dry forages and roughages; (2) pasture, range plants, and forages fed green; (3) silages; (4) energy feeds; (5) protein supplements; (6) minerals; (7) vitamins; (8 ) additives.

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24 Nutrient Requirements of Rabbits TABLE 6 Abbreviations for Terms Used in Tables 4 and 5 AAFCO Association of American Feed mech mechanical Control Officials mech extd mechanically extracted, expeller extracted, CFA Canada Feeds Act hydraulic extracted, or old process deny dehydrated lug microgram extd extracted mg milligram extn extraction mt more than extn unspecified extraction unspecified s-c suncured 9 gram(s) solv extd solvent extracted gr grade spp species grnd ground w with flu International Units wo without keel kilocalories kg kilogram(s) It less than TABLE 7 Description of How Short Names Are Formed Feed Feed Feed Components of Name No. 1 No. 2 No. 3 Origin (or parent material) Clover Soybean Wheat Species, variety, or kind red soft white winter Part eaten hay seeds grain Process(es) and treatmentts) meal undergone before fed to animal s-c solv extd Grade or quality designations 44% protein Classification; first digit is (1 ) (5) (4) international feed number (IFN) (cry forages (protein (energy and roughages) supplements) feeds) IFN 1-01415 5-20-637 4-05-337 .

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Nutrient Requirements of Rabbits 25 TABLE 8 International Stage of Maturity Terms (Revised 1973) Preferred term Definition Comparable Terms . For Plants that Bloom Germinated Stage in which the embryo in a seed resumes growth after a dormant period Early vegetative Stage at which the plant is vegetative and before the stems elongate Late vegetative Stage at which stems are beginning to elongate to just before blooming; first bud to first flowers Early bloom Mid-bloom Full bloom Late bloom Milk stage Dough stage Mature Post ripe Stem cured Stage between initiation of bloom and stage in which 1110 of the plants are in bloom; some grass heads are in anthesis Stage in which 1110 to 213 of the plants are in bloom; most grass heads are in anthesis Stage in which 213 or more of the plants are in bloom Stage in which blossoms begin to dry and fall and seeds begin to form Stage in which seeds are well formed but soft and immature Stage in which the seeds are of dough-like consistency Stage in which plants are normally harvested for seed Stage that follows maturity; some seeds cast and plants have begun to weather (applies mostly to range plants) Stage in which plants are cured on the stem; seeds have been cast and weathering has taken place (applies mostly to range plants) Sprouted Fresh new growth, before heading out, before inflorescence emergence, immature prebud stage, very immature, young Before bloom, bud stage, budding plants, heading to in bloom, heads just showing, jointing and boot (grasses), prebloom, pre- flowering, stems elongated Early anthesis, first flower, headed out in head, up to 1/10 bloom Bloom, flowering, flowering plants, had bloom, in bloom, mid-anthesis 314 to full bloom, late anthesis 15 days after Bilking, before milk, in bloom to early pod, late to post anthesis After anthesis, early seed, fruiting, in tassel, late bloom to early seed, past bloom, pod stage, post anthesis, post bloom, seed developing, seed forming, soft, soft immature Dough stage, nearly mature, seeds dough, seeds well developed, soft dent Dent, dough to glazing, fruiting, fruiting plants, in seed, kernels ripe, ripe seed Late seed, over ripe, very mature Dormant, mature and weathered, seeds cast Regrowth early vegetative Stage in which regrowth occurs without flower- Vegetative recovery growth ing activity; vegetative crop aftermath; re growth in stubble (applies primarily to faJI regrowth in temperate climates); early dry season regrowth Regrowth late vegetative Stage in which stems begin to elongate to just before blooming; first bud to first flowers; regrowth in stubble with stem elongation (ap- plies primarily to fall regrowth in temperate climates) Recovery growth, stems elongating, jointing and boot {grasses)

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26 Nutrient Requirements of Rabbits TABLE Weight-Unit Conversion Factors Units Given Units For Conversion Wanted Multiply by lb g 453.6 lb kg 0.4536 Oz 9 2825 kg lb 2.2046 kg mg 1,000,000. kg 9 1,000. g mg 1,000. 9 ~9 1,000,000. mg ,ug 1,000. mg/g mgilb 453.6 mglkg mg/lb OA536 ,uglkg ,ug/lb OA536 Mcal kcal 1,000. kcal/lcg kcal/lb OA536 kcal/lb kcalikg 22046 ppm ,ugig 1. ppm mglkg 1. ppm mg/lb OAS36 mglkg % 0.0001 ppm % O.OOOt mgig % 0.1 9/lt9 % 0.1 TABLE 10 Weight Equivalents 1 lb = 453.6 9 = 0.4536 kg = 16 oz 1 oz = 28.35 9 lkg =1,00Og=2.20461b 1 9 = 1,000 mg 1 mg = 1,000 ,ug = 0.00t 9 1 ~9 = 0.001 mg = 0.000001 g 1 ,zLg per 9 or 1 mg per kg is the same as ppm