Dec. I, 1919 



Nitrogen Metabolism of Two- Year-Old Steers 



247 



Table V. — Nitrogen metabolism of steers — Continued 



TWO-THIRDS FEED LOT 

 (Expressed as pounds per period of seven days) 



Week 

 No. 



I. 

 2.. 



3- 

 4.- 

 S- 

 6.. 



7- 

 8. 



9- 

 10. 

 II. 

 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 



Steer 632." 



Nitro- 

 gen 



incest" 

 ed. 



2. 202 

 2. 180 



2-336 

 2. 212 

 2. 114 

 2. 116 

 1.896 

 I. 824 

 I. 911 

 I. 906 

 1.894 

 1.948 



1-934 

 I. 710 

 1.686 

 1-578 



1-575 

 I. 522 



I- 570 

 I. 662 

 1. 619 

 1.378 



1. 719 



2. 007 

 2.183 

 2.237 

 2.218 

 2. 401 



2-375 

 2-253 



2-352 



2.469 

 2.681 

 2.725 



Nitrogen excreted. 



In 

 urine. 



0.438 

 •571 

 .488 



•557 

 •599 

 . 609 



•655 

 •659 

 .680 



•597 

 .667 

 .616 

 . 629 

 .630 

 •577 

 •555 

 •536 

 •536 

 .561 



• 489 



• 630 

 .656 



•751 

 1. 115 

 I. 250 



.823 

 1. 161 

 I. 416 

 1.442 



1-455 

 1.405 

 1.469 



I- 545 

 1.682 



In 

 feces. 



276 

 344 

 324 

 227 



273 

 168 

 042 

 004 



945 

 962 

 987 

 939 

 033 

 886 

 827 

 796 

 802 

 841 



839 

 838 



755 

 647 

 679 

 708 

 769 

 802 

 767 



713 

 711 



779 



734 

 787 

 885 

 839 



In 

 urine 

 and 

 feces. 



714 

 915 

 812 



784 

 872 



777 

 697 

 663 

 625 

 559 

 654 

 555 

 662 



516 



404 



351 

 338 



377 

 400 



327 

 385 

 303 

 430 

 823 

 019 

 625 

 928 

 129 

 153 

 234 

 139 

 256 



430 

 521 



Bal- 

 ance. 



0.488 



• 265 



• 524 

 .428 

 . 242 

 •339 



• 199 

 .161 

 .286 



-347 

 . 240 



•393 

 . 272 



• 194 

 .282 

 . 227 

 •237 

 •145 

 . 170 



•335 

 .234 

 •075 



164 

 . 612 

 , 290 

 , 272 

 , 222 

 , 019 

 ,213 

 ,213 



•251 

 , 204 



Nitro- 

 gen 



Ingest- 

 ed. 



2.286 

 2. 265 

 2.429 



2. 298 

 2. 209 

 2.268 



1. 881 



1-934 



2. 028 

 2. 019 

 2.013 

 2. 096 

 2. 114 



1-953 

 I. 821 



1.834 

 1-833 

 1-723 

 1-745 

 1.847 

 1.799 



1-547 



1. 926 

 2-253 

 2-451 

 2-513 

 2.491 



2. 697 

 2. 663 

 2. 526 

 2.714 

 2. 676 

 2. 727 

 2. 661 

 2.631 

 2. 642 

 2-595 



Nitrogen excreted. 



In 

 urine. 



454 

 521 

 584 

 566 

 628 

 623 



639 

 621 

 644 



724 

 670 

 686 

 719 

 730 

 643 

 650 

 686 

 649 

 636 

 672 



729 

 621 



748 

 888 



364 

 094 

 342 

 581 

 584 

 558 

 630 

 606 



575 

 660 



654 

 607 



581 



In 



feces. 



340 

 366 

 201 

 373 

 399 

 362 

 148 

 958 

 012 

 007 

 047 



974 

 003 

 018 

 962 

 031 

 961 

 896 

 903 

 853 

 792 

 807 



853 

 832 



877 

 843 

 881 

 912 

 858 

 922 

 887 

 876 

 907 

 812 

 968 

 927 

 942 



In 



urine 

 and 

 feces. 



- 794 

 .887 



-785 

 .929 

 . 027 



•98s 

 .787 



-579 

 .656 



-731 

 .717 

 .660 

 . 722 

 -748 



- 605 

 .681 

 .647 

 •545 

 -539 

 -525 

 .521 

 .428 

 . 601 

 . 720 



2. 241 



1-937 

 2. 223 



2-493 

 2. 442 

 2. 480 



2-517 

 482 

 482 

 472 

 622 

 534 



2-523 



Bal- 

 ance. 



o. 492 



•378 

 .644 



•359 

 . 182 

 .283 

 .094 



•355 

 -372 

 .288 

 . 296 

 -436 

 -392 

 .205 

 . 216 



-153 

 .186 

 .178 

 . 206 



• 322 

 .278 

 .119 

 •325 

 •533 

 . 210 



•576 

 .268 

 . 204 

 . 221 

 . 046 

 .197 



• 194 

 •245 

 . 189 

 . 009 

 . 108 

 . 072 



o Removed at end of thirty-fourth week. 



