Results 181 to 190 of about 9,324 (224)
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Œstrus in Zebu Cattle in Uganda
Nature, 1955DURING investigations into the possibility of artificial insemination of indigenous Zebu and Nganda cattle with homologous semen obtained by electrical stimulation, the œstrous cycles of an experimental group of heifers have been determined, using marked vasectomized bulls.
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1968
The karyotype of Bos indicus is identical with that of Bos taurus except for the morphology of the Y chromosome. The Y chromosome of B. taurus is a small metacentric, but that of B. indicus is a small acrocentric. Autoradiographs of DNA synthesis during the late S phase invariably show a late replicating small acrocentric.
T. C. Hsu, Kurt Benirschke
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The karyotype of Bos indicus is identical with that of Bos taurus except for the morphology of the Y chromosome. The Y chromosome of B. taurus is a small metacentric, but that of B. indicus is a small acrocentric. Autoradiographs of DNA synthesis during the late S phase invariably show a late replicating small acrocentric.
T. C. Hsu, Kurt Benirschke
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A comparison of field tick infestation on N'Dama, Zebu and N'Dama×Zebu crossbred cattle
Veterinary Parasitology, 1993Tick burdens, estimated from cumulative tick counts, were determined on N'Dama, Zebu and F1 N'Dama x Zebu crossbred cattle. N'Dama showed significantly fewer ticks than the Zebu and F1 cattle (P < 0.001). A previous trypanosomosis infection did not affect tick burdens on the three genotypes.
R. C. Mattioli +4 more
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Mother–Offspring Interactions in Zebu Cattle
Reproduction in Domestic Animals, 2008ContentsThe knowledge of the interaction between mother and offspring might contribute to enhance the welfare of the offspring and to improve the reproductive efficiency of the cow. However, there is still little information available about such interaction in some cattle breeds.
da Costa, M. J. R. Paranhos +2 more
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Animal Science, 1976
SUMMARYComponents of reproductive efficiency of Zebu-type and Charolais × Zebu-type (1/2, 3/4 and 7/8) females were compared. Zebus had longer mean intervals from calving to first service (57·8 days) and from calving to conception (46·0 days). Least squares means for both traits were respectively 129·8 and 145·1 days.
F. E. Madalena, null A. Hinojosa C.
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SUMMARYComponents of reproductive efficiency of Zebu-type and Charolais × Zebu-type (1/2, 3/4 and 7/8) females were compared. Zebus had longer mean intervals from calving to first service (57·8 days) and from calving to conception (46·0 days). Least squares means for both traits were respectively 129·8 and 145·1 days.
F. E. Madalena, null A. Hinojosa C.
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Pharmacokinetics of ivermectin in zebu Gobra (Bos indicus)
Veterinary Parasitology, 2005Plasma disposition kinetics of ivermectin was evaluated in a West African cattle breed. Five clinically healthy zebu Gobra cattle (Bos indicus) weighing 220-270 kg were treated (0.2 mg kg-1) with a commercially available ivermectin formulation for cattle. Blood samples were collected by jugular puncture at different times between 0.5 h and 40 days post-
Ndong, Tb +5 more
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Genetic and Biological Aspects of Zebu Adaptability
Journal of Animal Science, 1980The utility and documentation of traits and characteristics of Zebu, Bos indicus, cattle in beef production in the United States are discussed with reference to adaptation. Zebu cattle are uniquely suited to hot climates due to coat, hide, skin and hematological attributes.
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The Zebu Cattle of East Africa
The East African Agricultural Journal, 1955(1955). The Zebu Cattle of East Africa. The East African Agricultural Journal: Vol. 21, No. 2, pp. 83-95.
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Response of Nigerian zebu cattle to Zeranol implants
Tropical Animal Health and Production, 1980The effect of Zeranol, an anabolic agent, on the weight gains of Nigerian zebu fattening bulls was investigated over a period of 16 weeks. Implanted Sokoto Gudali and White Fulani bulls showed average daily weight gains of 0.5 and 0.49 kg respectively as compared to 0.47 and 0.41 kg by non-implanted counterparts.
T. U. Obi, L. O. Ngere, M. A. Daniyan
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Australian Journal of Agricultural Research, 1991
Direct and correlated responses to a single generation of divergent selection for weaning weight per day of age (WA/A) were examined in Bos taurus, zebu and zebu crossbred cattle in a tropical environment. Selection for high WW/A resulted in increased liveweights at all ages in all genotypes, with the exception of birth weight in the Bos taurus ...
HM Burrow +5 more
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Direct and correlated responses to a single generation of divergent selection for weaning weight per day of age (WA/A) were examined in Bos taurus, zebu and zebu crossbred cattle in a tropical environment. Selection for high WW/A resulted in increased liveweights at all ages in all genotypes, with the exception of birth weight in the Bos taurus ...
HM Burrow +5 more
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