THE PHILIPPINE WATER BUFFALO

F-16
FEEDING VALUE OF CORN STOVER-MOLASSES
AND RICE STRAW-MOLASSES SILAGES FOR
SHEEP, CATTLE AND CARABAOS*
L. S. Castillo, Professor, Department of Animal Husbandry, College of
Agriculture, University of the Philippines Los Baños
A. L. Gerpacio, Assistant Professor, Department of Animal Husbandry,
College of Agriculture, University of the Philippines Los Baños
N. M. Uichanco, Research Assistant, Department of Animal Husbandry,
College of Agriculture, University of the Philippines Los Baños
D. B. Roxas, Instructor, Department of Animal Husbandry, College of
Agriculture, University of the Philippines Los Baños
E. P. Jajalla, Research Assistant, Department of Animal Husbandry, College
of Agriculture, University of the Philippines Los Baños
N. Panizales, Research Assistant, Department of Animal Husbandry,
College of Agriculture, University of the Philippines Los Baños
N. B. Velasco, Research Assistant, Department of Animal Husbandry,
College of Agriculture, University of the Philippines Los Baños
E. Familiar, Research Assistant, Department of Animal Husbandry, College
of Agriculture, University of the Philippines Los Baños
L. P. Palo, Research Associate, Dairy Training and Research Institute,
College of Agriculture, University of the Philippines Los Baños
A. Y. Robles, Research Associate, Dairy Training and Research Institute,
College of Agriculture, University of the Philippines Los Baños
Digestion and nitrogen balance studies were conducted
for corn stover-molasses silage and rice straw-molasses
silage with sheep, cattle, and carabaos. On the dry
matter basis, the digestible protein of corn stover-molasses
was 2.93 ± 0.16 percent for sheep, 3.36 ± 0.05 for cattle,
and 3.31 ± 0.11 for carabaos. The corresponding total
digestible nutrients (TDN) were 41.04 ± 1.84, 55.31 ±
0.49, and 59.33 ± 1.48 percent. The average digestible
energy equivalent was 4.4 megacalories per kg TDN for
the three species of animals. The digestible protein for
rice straw-molasses silage was 2.33 ± 0.11 percent for
sheep, 1.21 ± 0.18 for cattle, and 1.11 ± 0.14 for carabaos.
The corresponding TDN were 32.76 ± 1.31 percent,
32.94 ± 1.14, and 36.19 ± 1.39. The average digestible
energy equivalent was 4.45 megacalories per kg TDN
for these animals. For both silages, the calculated
metabolizable energy was 3.7 megacalories for one
kilogram TDN. It seems that corn stover-molasses silage
was slightly better compared to rice straw-molasses
silage in promoting positive nitrogen balance in these
animals.
Keywords: carabao, cattle, corn stover-molasses, feeding
value, rice straw-molasses silages, sheep
*Philippine Journal of Veterinary and Animal Science. 1970.
v. 7 (4). p. 103-108.
F-17
THE EFFECT OF UREA-MOLASSES BLOCK LICK
ON THE GROWING PHILIPPINE CARACALVES*
FEEDING AND NUTRITION
L. S. Castillo, Professor, Institute of Animal Science, College of Agriculture,
University of the Philippines Los Baños
R. A. Leng, Former FAO Consultant
A.N. del Barrio, Supervising Science Research Specialist, Philippine
Carabao Center, Department of Agriculture, University of the Philippines
Los Baños
R. M. Lapitan, Supervising Science Research Specialist, Philippine
Carabao Center, Department of Agriculture, University of the Philippines
Los Baños
F. Sd. Pascual, Former University Research Associate, Institute of Animal
Science, College of Agriculture, University of the Philippines Los Baños
V. G. Momongan, Professor, Institute of Animal Science, College of
Agriculture, University of the Philippines Los Baños
D. B. Roxas, Associate Professor, Institute of Animal Science, College of
Agriculture, University of the Philippines Los Baños
S. K. Ranjhan, Former FAO Consultant
Two trials were conducted to determine the effect of ureamolasses
block on the performance of caracalves and mature
heifers. In experiment 1, nine (9) growing caracalves ranging
from 6-9 months of age and weighing 90 to 160 kg were
divided into 3 groups. Each group was randomly allotted to
the following treatments: I – chopped rice straw; II - chopped
rice straw + urea-molasses-block-lick; III – chopped rice
straw + urea-molasses-block-lick + 1 kg concentrate mix.
The feeding trial lasted for 70 days. In the second experiment,
eighteen mature carabao heifers of 4 to 4 ½ years of age,
weighing 305 to 400 kg were divided into four treatments: I
– chopped grass only; II – chopped grass + urea-molassesblock;
III – chopped grass + urea-molasses-block + 1.5 kg
ipil-ipil leaf meal; IV – chopped grass + 1.5 kg ipil-ipil leaf
meal. Treatments I and II consisted of 4 carabaos each
while treatments III and IV consisted of 5 carabaos each.
The feeding trial lasted for five weeks. Carabaos fed rice
straw alone performed very poorly. The average daily
gains of carabaos in experiment I were 22.9 g/day, 67.1 g/
day, and 100 g/day for treatments I, II and III, respectively.
Urea-molasses block and concentrate mix improved nutrient
intakes and growth, however, yearling calves developed
pot bellied conditions. In experiment 2, animals in treatment
I and II lost weight. The best performance was observed
from animals in treatment III showing a total gain of 2.8 kg
while those in treatment IV just maintained their body weights.
Keywords: concentrate, growth performance, caracalves,
Leucaena leucocephala leaf meal, rice straw, urea
molasses block
*Abstracts of Researches, 1981-1995. PCC-DA, UPLB.
Also in OED-PCC-DA Abstracts: Water Buffalo
Researches in the Philippines, 1981-1995. p. 13.
F-18
MAINTENANCE REQUIREMENTS FOR DIGESTIBLE
ENERGY AND PROTEIN OF MATURE FEMALE
CARABAO IN CONFINEMENT*
105