THE PHILIPPINE WATER BUFFALO
THE PHILIPPINE WATER BUFFALO
THE PHILIPPINE WATER BUFFALO
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months to 3 years. Erythrocyte size varied from 4.5 to<br />
7.5ìm with a mean diameter of 5.7 ìm. Anisocytosis was a<br />
common feature. Results revealed that mean RBC count<br />
of all animals ranged from 3.02 to 9.8 mill/cu mm with a<br />
mean count of 6.05 ± 0.41 ml/cu mm. In male RBC count<br />
ranged from 3.02 to 9.8 mill/cu mm with a mean of 6.13 ±<br />
0.69 mill/cu mm: that of female showed a mean of 6.029 ±<br />
0.8736 mill/cu mm from a variation of 4.07 to 8.35 mill/cu<br />
mm. Total PCV of all animals regardless of sex had a<br />
mean of 31.55 ± 1.33%; that of females was 32.6 ±<br />
2.11%, whereas a mean of 30.5 ± 1.66% was observed<br />
among male buffaloes. Overall mean Hb content was<br />
11.61 ± 0.67 gm/dl; for the males the mean value was<br />
11.58 ± 0.96 gm/dl, while in females it was 11.63 ± 0.96<br />
g/dl of blood. Erythrocyte sedimentation rate in all animals<br />
registered a mean of 5.34 ± 0.42 cm/hr. Male buffaloes<br />
registered a mean of 5.25 ± 0.65 cm/hr; whereas in females<br />
mean ESR was 5.54 ± 0.47 cm/hr. Total MCV, MCH and<br />
MCHC means of both sexes were 53.75 ± 4.69 fl, 19.61<br />
± 1.58 pg and 37.36 ± 2.3 g lb respectively. Mean MCV,<br />
MCH and MCHC in males were computed as follows:<br />
52.93 ± 6.32 fl, 20.12 ± 2.39 pg and 38.39 ± 3.77 g Hb.<br />
Values calculated in females were recorded as 54.92 ±<br />
6.92 fl, 19.79 ± 1.73 pg and 31.38 ± 4.37 g Hb for mean<br />
MCV, MCH and MCHC respectively. Results indicated<br />
that RBC count in males exceeded insignificantly that of<br />
their female counterparts. Erythrocyte count, Hb, MCH<br />
and MCHC varied inversely with advancing age in all<br />
animals. On the other hand, Hb, MCH and MCHC showed<br />
a positive correlation with the RBC count in this study.<br />
Statistical analyses of the data supported no significant<br />
sex or age – related differences in the blood parameters<br />
used in the study, except for MCHC in which case,<br />
significant differences were proven as to the age and sex<br />
of the carabaos. More detailed study should be undertaken<br />
to identify the influence of other variables such as breed,<br />
geographical locations, type of feeds, degree of work,<br />
season, time of day and reproductive activity on the<br />
erythrogram of young Philippine swamp buffaloes. The<br />
study should also be expanded to include blood serum or<br />
plasma chemistry. And to make the blood values more<br />
useful to veterinary clinicians, studies should be done also<br />
to establish the blood picture in different disease conditions.<br />
Keywords: swamp buffalo, hemogram, blood indices<br />
*Undergraduate thesis, College of Veterinary Medicine,<br />
Central Luzon State University, 1986.<br />
P-28<br />
BLOOD BIOCHEMICAL PROFILE OF DRY<br />
PREGNANT, DRY NON-PREGNANT AND<br />
LACTATING NON-PREGNANT*<br />
PHYSIOLOGY<br />
J. P. Valencia, Student<br />
Serum samples from Philippine carabao, Bulgarian<br />
buffaloes and its crosses, were used in determining the<br />
values from serum glutamic oxaloacetic transaminase<br />
(SGOT), alkaline phosphatase (ALP), calcium (Ca) and<br />
creatinine (CREA) using the blood biochemical analyzer<br />
at the Veterinary Teaching Hospital in Los Baños. Each<br />
breed was divided into 3 groups: dry pregnant animals,<br />
dry non-pregnant and lactating non-pregnant. SGOT values<br />
were found to be higher in lactating non-pregnant than in<br />
dry non-pregnant. Among breeds, higher SGOT values<br />
were observed in Philippine carabao than in crossbreeds<br />
and Bulgarian Murrah. Among groups, SGOT values were<br />
higher in lactating non-pregnant than in dry pregnant and<br />
dry non-pregnant. ALP values were higher in crosses in<br />
dry non-pregnant group than in dry pregnant. Ca values<br />
were found to be higher in dry pregnant than in dry nonpregnant.<br />
CREA was higher in dry non-pregnant animals<br />
than in dry pregnant animals.<br />
Keywords: Philippine carabao, Bulgarian Murrah,<br />
crossbreeds, blood biochemical profile, non-pregnant,<br />
pregnant, lactating<br />
*Undergraduate Thesis, College of Veterinary Medicine,<br />
University of the Philippines Los Baños, College, Laguna,<br />
1999.<br />
P-29<br />
BREEDING PHENOMENA OF CARABAOS IN <strong>THE</strong><br />
<strong>PHILIPPINE</strong>S*<br />
V. Villegas, Student<br />
Mating and parturition among carabaos occur throughout<br />
the year but higher incidence is observed during the rainy<br />
and cooler months. The average gestation period among<br />
Philippine carabaos is 324 days. Average periods of 35 to<br />
54 days spaced the next estrus from parturition in Philippine<br />
carabaos. The frequency of parturition was every 472.7<br />
days, and the average rest period (the interval between<br />
parturition and the next fertilization) being 156.9 days.<br />
Keywords: carabao, mating period, frequency of parturition,<br />
gestation,<br />
*Philippine Journal of Animal Industry 20 (nos. 1-4): 89-<br />
95, 1959.<br />
45