they have to give the figures for kg. of milk, percentage of fat, ke. of 
- butter, kg. of milk with 1 per cent. of butter-fat, and number of food 
units consumed. yee 
It is the duty of the provincial organizations to publish those parts 
of the reports which are of interest in the promotion of dairy cattle- 
breeding. 
_ In Jutland, the reports are dealt with in two different ways: Firstly, 
all the cows which have produced more than 175 kg. of butter in the 
last year are picked out, and then a card is filled out for each cow 
which has a herd-book bull as sire. This last work is the most important 
for the breeding. By its means, we try to find which of the herd-book 
bulls give the best offspring as far as the production of milk and butter 
is concerned. We find quite a difference in the bull’s value as breeder 
of milch cows. ‘The offspring of some bulls give less milk and butter 
than the mothers of the offspring did. 
I shall try to explain the different breeding values of the bulls by 
an example:—A bull, herd-book No. 1529, had 11 daughters tested. On 
an average, the 11 daughters, after their first calving, produced 2,405 kg. 
milk, 3.42 per cent. fat, and 92 kg. butter. The dams of those young cows 
after their first calving produced 2,735 kg. milk, 3.75 per cent. fat, 
and 115 kg. butter. In other words, the offspring produced after the 
first calving, 330 kg. milk, 0.83 per cent. fat, and 23 kg. butter less 
than their dams did. Such a bull has a negative value for breeding 
purposes, for he decreases the produce of his offspring compared with 
the production of the cows. On the other hand, we have bulls that 
increase the production of their offspring. A bull named “Emb 
Britten” had 18 daughters, the average production of which in 46 
years was 3,095 kg. milk, 3.71 per cent. fat, and 128 kg..butter. The 
dams of these 18 cows, in the same 46 years, produced 2,791 kg. milk, 
3.36 per -cent. fat, and 105 ke. butter. This means that the bull increased 
the production of his daughters by 304 kg. milk, 0.35 per cent. fat, and 
23 ke. butter. This bull, “ Emb Britten,” has thus increased the pro- 
duction of his daughters by about as much as herd-book No. 1529 had 
decreased the yield of his daughters. For the breeding of dairy cattle 
in the future, investigations of this kind are of high value; and I suppose 
that one of the main purposes of the cow-testing associations is to produce 
the material necessary for an investigation of the productive ability of 
the offspring of the bulls used. t 
Besides statistics concerning the production of the daughters of the 
herd-book bulls, we also keep records of the sons of the herd-book bulls. 
Each son which has received a prize at a Government or provincial show, 
or belongs to a cattle-breeding association, is registered on a card. In 
that way, we get information of almost all the offspring of the herd-book 
bulls, and have an opportunity of judging their breeding value, which 
is one of the main points in all kinds of breeding. . But we could not do 
that without the records of the cow-testing associations. In other words, 
the cow-testing associations are the basis of the breeding of dairy cattle 
in this country. ates. ‘ 
A bull of dairy type cannot get a prize at a show in this country 
without the records of its dam being known. In the catalogue there 
is the record of each bull’s female ancestors, and great attention is paid 
GOST : 
