lood urea nitrogen (BUN) and feed cost per kilogram weight gain. However, in the 12-24 months old group there were significant increase from 0.27 kg to 0.33 kg, 4.85 kg to 6.25 kg; and 49.93% to 56.60% in terms of ADG, DMI and DM digestibility equivalent to 18.2%, 25.6% and 11.8%, respectively. Supplementation of UMMB to treated and untreated themeda hay fed to 6-12 months old carabaos significantly increased (P
W. L. Johnson, Former Graduate Assistant, UP Cornell Graduate Education Program, Facuhad de Zootecnia, Universidad Agraria, La Molina Lima Peru W. A. Hardison, UNDP/FAO Consultant, Dairy Training Research Institute, College of Agriculture, University of the Philippines Los Baños A.L. Ordoveza, Dairy Specialist, Dairy Training Research Institute, College of Agriculture, University of the Philippines Los Baños L. S. Castillo, Associate Professor, Dairy Training Research Institute, College of Agriculture, University of the Philippines Los Baños Nine metabolism trials were conducted during the wet and early dry seasons of 1965 and 1966 in the Philippines. Panicum maximum (guinea grass) at growth stages of 5 to 10 weeks was fed as the sole ration to growing Holstein (Bos taurus) and water buffalo (Bualus bubalis) bulls. In both seasons the amount of nitrogen consumed, absorbed and retained decreased with advancing maturity of the grass. Nitrogen intake, absorption and retention were all higher for the water buffaloes in both years, however, only the differences between animal species noted during the 1995 trials were statistically significant. Retained nitrogen was significantly correlated with consumed nitrogen, absorbed nitrogen, crude protein digestibility, digestible protein intake, feed water intake, total water intake and insensible water loss. It is indicated that herbage containing more than six percent protein (with a crude digestibility coefficient greater than 47.5 percent) must be consumed to insure positive nitrogen balance in the growing ruminant, whenever that herbage is unsupplemented in the ration. Keywords: cattle, nitrogen balance, nutritive value, Panicum maximum, water buffaloes * Philippine Journal of Veterinary and Animal Science. 1967-1968 (1968) v. 4 and 5 p. 73-78. F-7 COMPARATIVE STUDY ON <strong>THE</strong> COMPOSITION OF <strong>THE</strong> RUMEN LIQUOR BETWEEN CARABAO (BUBALUS BUBALIS) AND CATTLE (BOS TAURUS)* T. J. Aranas, Senior Researcher, Dairy Training and Research Institute, College of Agriculture, University of the Philippines Los Baños P. L. Lopez, Professor, Department of Animal Science, College of Agriculture, University of the Philippines Los Baños Two separate feeding trials were conducted using two carabaos and two Holstein cattle to determine the effect of stage of maturity (60 and 90-day) of napier grass and frequency of feeding (once and twice) on the chemical composition of the rumen liquor. Another two trials were conducted using only two carabaos to determine the effect of concentrate supplementation in a rice straw diet and the time of concentrate supplementation during rice straw/silage feeding. Samples of rumen liquor were obtained from each animals specified time interval after 10 days feed. FEEDING AND NUTRITION Composition between carabao and cattle in term of their efficiency in utilizing napier grass at different ages showed that based on the averages, the pH was the same for both species, regardless of the type of feeding system observed (trials I and II). Total nitrogen (N) was consistently higher for carabao than cattle and this is true too for nonprotein nitrogen (NPN) and ammonia nitrogen (NH 3 -N) when fed 90-day napier grass. However, with 60-day napier grass, there is practically no difference in NPN and NH 3 -N for both species. In terms of total volatile fatty acids (TVFA), cattle was slightly higher in concentration than carabao, particularly, with 90day napier grass. The pH increased with concentrate feeding particularly during the first 3-hours, returning to normal with time (trial III). Concentration of total nitrogen (TN) was about the same during the rice straw and concentrate feeding. Although, the average NPN increased when concentrate was given after one hour in a rice straw diet. The average urea-N concentration decreased under similar feeding while NH 3 -N increased markedly by almost 100%. Total volatile fatty acid was slightly higher with rice straw feeding. A peak in TN concentration was observed within 30 min. from feeding of silage, decreasing thereafter with time. Similar trend was observed in NPN while the peak of urea-N, NH 3 -N and TVFA was observed at 3 hours from feeding. The pH increased within one hour with concentrate supplementation (trial IV) but decreased markedly with time, returning to normal within 6 hours from feeding. The average TN concentration was higher when the animals was fed rice straw than concentrate. The average NPN concentration was higher with concentrate feeding. Urea-N in concentration form 0 to 2 hours from feeding rice straw and up to 4 hours from feeding of concentrate. The average NH 3 -N was more than 3x higher in concentrate feeding than in rice straw feeding. Total VFA was slightly higher in rice strawconcentrate diet. Keywords: carabaos, Holstein cattle, napier grass, rumen liquor * Philippine Journal of Veterinary and Animal Science. 1978 v. 4 (1). p. 32-41. F-8 <strong>THE</strong> FEEDING VALUE OF HIGH-MOISTURE CORN AS A SUPPLEMENT TO RICE STRAW-MOLASSES SILAGE IN FEEDLOT FATTENING OF CARABAO* G. B. Asunto, Former Undergraduate Student, Department Animal Husbandry, College of Agriculture, University of the Philippines Los Baños L. S. Castillo, Associate Professor, Department Animal Husbandry, College of Agriculture, University of the Philippines Los Baños Ten male carabaos of approximately 24 to 36 months of age are fattened for a period of 137 days. Trials were also 101
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ABSTRACT OF RESEARCHES ON THE PHILI
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USER’S GUIDE The book contains pu
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ACKNOWLEDGMENT Grateful recognition
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CONTENTS Inoc, J. G. and C. P. Maal
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CONTENTS Viernes, Jr., V. D. 2004.
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CONTENTS Harada, H., et al. Ultraso
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CONTENTS Ocampo, M. B., et al. Clea
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CONTENTS Aranas, T. J., et al. 1968
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CONTENTS Romulo, B. H., et al. Dige
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ANATOMY A-1 DISTRIBUTION AND MICROS
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of the islet. The pancreatic- polyp
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(P>0.05) from that of the Philippin
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A-15 THE MODIFIED HORN RING METHOD
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undifferentiated cells. Mucigenous
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*Abstracts of Completed Researches,
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A-31 SCANNING ELECTRON MICROSCOPIC
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cells” had fewer zymogen granules
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is recommended that two years old P
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Their secretions, together with tho
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elated peptide (CGRP), vasoative in
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methods. The diameter of the semini
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appearance to the fungiform papilla
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of pyknotic nuclei in the follicula
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observed. Continuous medullary patt
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examination of the muzzle prints no
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conspicuously absent in the tunica
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esembles closely that of the lympho
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obtained for total serum protein, a
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A study in the conception rate of t
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significantly (P
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and Philippine-Murrah in health. Ei
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months to 3 years. Erythrocyte size
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were highly significant level (P
- Page 67 and 68: THE CATTLE AND CARABAO BREEDING PRO
- Page 69 and 70: estimated breeding values of (EBVs)
- Page 71 and 72: and broken horn were common among t
- Page 73 and 74: the Alb A Alb B and Alb B Alb B gen
- Page 75 and 76: different in trms of shear force va
- Page 77 and 78: stock farms which practiced backyar
- Page 79 and 80: Ravi was at the top. The heterosis
- Page 81 and 82: & 4):61-66. Also in Annotated Bibli
- Page 83 and 84: Series of experiment were conducted
- Page 85 and 86: Keywords: embryo, in vitro fertiliz
- Page 87 and 88: The percentages of pregnant cattle
- Page 89 and 90: after the second injection. The con
- Page 91 and 92: INSEMINATION OF PHILIPPINE CARABAO
- Page 93 and 94: It was noted that regardless of the
- Page 95 and 96: the presence or absence of cysteami
- Page 97 and 98: R. de Vera, Laboratory Aid, PCC-OED
- Page 99 and 100: on the factors affecting embryo rec
- Page 101 and 102: Expanded blastocysts did nor surviv
- Page 103 and 104: Early pregnancy diagnosis was condu
- Page 105 and 106: ng/ml and dropped sharply at partur
- Page 107 and 108: R-67 MANAGEMENT AND CLIMATIC FACTOR
- Page 109 and 110: Keywords: carabao heifers, estrous
- Page 111 and 112: animal draft power was designed and
- Page 113 and 114: Water Buffalo Researches in the Phi
- Page 115 and 116: D-13 SOME PHYSIOLOGICAL AND BIOCHEM
- Page 117: FEEDING AND NUTRITION F-1 OBSERVATI
- Page 121 and 122: in a majority of the carcass compon
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- Page 125 and 126: (DDMI) of rice straw per 100 kg bod
- Page 127 and 128: D. D. Lorenzo, Instructor, Departme
- Page 129 and 130: Tethering, soiling, communal pastur
- Page 131 and 132: C. R. Legaspino, Former Student, De
- Page 133 and 134: 70.97 mg percent. Age and sex seeme
- Page 135 and 136: levels (8.3 mg/100 ml vs. 11.0 mg/1
- Page 137 and 138: for the first 7 months. Tethering p
- Page 139 and 140: L. S. Castillo, Professor, Departme
- Page 141 and 142: Keywords: caraheifers, chromic oxid
- Page 143 and 144: similar. Addition of 1% urea in the
- Page 145 and 146: espectively. Detergent fiber analys
- Page 147 and 148: V. S. Subere, Former M. S. Student,
- Page 149 and 150: serovars were used namely: Leptospi
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- Page 155 and 156: *Undergraduate thesis, College of V
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- Page 163 and 164: uy back operation, 11 calving inter
- Page 165 and 166: caraheifers, 2, 27, 45 carcass qual
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