210  Report  on  the  Field  and  Feeding  Experiments  at  Woburn. 
more  in  weight  than  the  others.  This  bullock  gained  95  lbs.  in 
three  weeks,  and  consequently  increased  in  live-weight  31|  lbs. 
per  week  ; whilst  bullock  No.  1 in  the  same  period  made  only 
38  lbs.,  or  increased  12|  lbs.  per  week. 
On  an  average  the  four  bullocks  increased  in  weight  at  the 
rate  of  18|  lbs.  per  head  per  week,  or  21|  lbs.  per  day. 
On  the  22nd  the  dung  made  by  the  four  bullocks  was  removed 
from  the  feeding-boxes  and  placed  into  a covered  hovel,  where 
it  was  left  until  the  26th  of  January,  1882,  when  it  was  weighed 
before  it  was  carted  on  the  land.  It  then  weighed  29  cwts.  3 qrs. 
and  18  lbs.,  and  was  in  a good  and  fairly  rotten  condition. 
A weighed  quantity  of  dung,  calculated  to  contain  nitrogen 
equal  to  100  lbs.  of  ammonia  per  acre,  was  carted  on  one-half 
of  plot  10  on  the  26th  of  January,  and  double  that  quantity, 
calculated  to  contain  nitrogen  equal  to  200  lbs.  of  ammonia  per 
acre,  was  spread  on  the  same  day  upon  one-half  of  plot  11. 
The  mineral  manures  were  sown  broadcast  on  the  15th  of 
November,  1881  ; and  the  salts  of  ammonia  and  nitrate  of  soda, 
diluted  with  about  three  times  their  bulk  of  dry  sand,  were 
applied  on  the  7th  of  April  by  a broadcast  manure-distributor. 
The  following  is  the  composition  of  the  maize-meal  which 
was  given  to  the  bullocks  in  the  feeding-boxes : — 
Moisture 14  • 60 
Oil 3-40 
*Albuminous  compounds  9-19 
Starch,  sugar,  and  digestible  fibre  ..  ..  69  ’53 
Woody  fibre  (cellulose) l-93 
Mineral  matter  (ash)  1*35 
100-00 
* Containing  nitrogen  1-47 
The  cotton-cake'  used  in  the  same  experiments  had  the  fol- 
lowing composition : — 
Moisture 7 -85 
Oil 11-17 
* Albuminous  compounds 43  • 25 
Mucilage,  sugar  and  digestible  fibre  ..  ..  26  ‘21 
Woody  fibre  (cellulose)  4*17 
Mineral  matter  (ash)  7 • 35 
100-00 
* Containing  nitrogen  6-92 
Of  late,  decorticated  cotton-cake,  1 find  as  a rule,  contains  a 
good  deal  less  oil  than  formerly,  and  for  this  reason  it  is  not  so 
valuable  as  it  was  three  or  four  years  ago. 
