... Pig keeping in the tropics 26
pen completely. In the daytime, when temperatures are higher, the top
section of the walls can be opened, to be closed again towards evening
to keep the warmth in. ... taken in choosing the site. In hot
areas the site would benefit from the shade of a group of trees, as trees
Pig keeping in the tropics 20
rain or dr...
... 30
2 5 4 0-4 5
3 4 60
4 4 70
5-7 3 8 0-1 00
8-9 3 120
1 0-1 1 3 140
1 2- 1 4 3 160
Pig keeping in the tropics 40
an hour after the birth of the last piglet. The sow may suck blood from
the ... Oct 8 Dec 12 Apr 6
Jun 20 Oct 13 Dec 17 Apr 11
Jun 25 Oct 18 Dec 22 Apr 26
Jun 30 Oct 23 Dec 27 Apr 21
Dec 31 Apr 26
Pig breeding 43
Sometimes...
...
? Taking the sow away from the piglets during weaning, rather than
removing the piglets.
? Putting the sow in a pen next to the boar after weaning.
? Bringing her into contact with the boar ... heat within 14 days of weaning,
there are various possible causes:
? The suckling period has been too long - the shorter the period, the
quicker she will come on heat a...
... place in the
Pig keeping in the tropics 62
If a pig is fed 1 kg of a 20 % protein mixture every day the rest of the
feed can be composed of feed less rich in protein. If a 30% protein
level ...
into the pen every day. In intensive systems iron-injections are often
given whilst in free-range systems piglets get iron from the soil. Wood
ash provides other m...
... defined, taking into account
different aspects of the machining process, such as the different kinds of cutting inserts, the
workpiece material, changes in the cutting conditions, changes in the ...
shown in Fig .2. Among others the following are the most common in the literature:
Noise: can be measured in the environment of the tool using microphones (Fig....
...
Intermediate: 18 pins Th-U -2 3 3 with 3.75% U -2 3 3,
Outer: 24 pins Th-Pu -2 3 9 with 3 .25 % Pu.
The fissile plutonium content will decrease from an initial 75% to 25 % at equilibrium
discharge burn-up level. ... is epithermal (intermediate neutron
speed). The fission products dissolve in the salt and are removed continuously in an on-line
reprocessing loop and replaced...