Results 171 to 180 of about 21,806 (213)

223 PREANTRAL FOLLICLES POPULATION IN BOS TAURUS INDICUS AND BOS TAURUS TAURUS FEMALES

Reproduction, Fertility and Development, 2009
Bos taurus indicus females provide a greater in vivo oocyte recovery (2-4 times more) in comparision with Bos taurus taurus. This aspect has strongly contributed for the success of the embryo industry in Brazil. Little information is available to explain this difference.
K. C. F. Silva, G. M. G. Santos, L.S. Siloto, M. F. Hertel, E. R. Andrade, M. I. B. Rubin, L. Sturion, F. A. M. Sterza, M. M. Seneda   +8 more
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38 VITRIFICATION OF BOS TAURUS INDICUS AND BOS TAURUS INDICUS × BOS TAURUS TAURUS EMBRYOS PRODUCED IN THE PRESENCE OR ABSENCE OF FETAL CALF SERUM

Reproduction, Fertility and Development, 2011
In vitro-produced Bos taurus indicus (zebu) and Bos taurus indicus × Bos taurus taurus (cross-bred) embryos behave differently when vitrified. The present experiment aimed to examine the effect of vitrification on embryos produced in the presence or absence of FCS.
D. M. Paschoal, M. J. Sudano, T. S. Rascado, L. C. O. Magalhães, L. F. Crocomo, J. F. Lima-Neto, M. D. Guastali, R. R. D. Maziero, A. Martins Jr., F. C. Landim-Alvarenga   +9 more
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Effect of high temperature on physiological parameters of Nelore (Bos taurus indicus) and Caracu (Bos taurus taurus) cattle breeds

Tropical Animal Health and Production, 2020
The climate-related problems that affect animal production in tropical countries have encouraged seeking solutions to increase herd productivity and one alternative is the use of breeds adapted to high-temperature environments. The objective of this study was to evaluate the effect of temperature on 77 Caracu and Nelore males submitted to three ...
Sergio B. G. P. N. P. Lima, Nedenia Bonvino Stafuzza, Bianca V. Pires, Sarah F. M. Bonilha, Joslaine N. S. G. Cyrillo, João A. Negrão, Claudia C. P. Paz   +6 more
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Output/input differences among nonpregnant, lactating Bos indicus-Bos taurus and Bos taurus-Bos taurus F1 cross cows.

Journal of Animal Science, 1991
Nonpregnant F1 crossbred cows, progeny of either Hereford (H) or Angus (A) dams and sired by Brahman (Bm), Sahiwal (Sw), Pinzgauer (Pz), H, or A sires, were fed to maintain initial weight while rearing Charolais (C)-sired progeny for a period of 126 d in drylot commencing at about 48 d postpartum.
R D, Green, L V, Cundiff, G E, Dickerson, T G, Jenkins   +3 more
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Cryotolerance and global gene-expression patterns of Bos taurus indicus and Bos taurus taurus in vitro- and in vivo-produced blastocysts

Reproduction, Fertility and Development, 2013
In a 2 × 2 factorial experimental design, embryo development, cryotolerance and global gene expression of Nellore (Bos taurus indicus) and Simmental (Bos taurus taurus) blastocysts produced in vitro (IVP) and in vivo (multiple ovulation derived embryo, MODE) were assessed. Blastocyst production was higher in Nellore than in Simmental (47.7 ± 2.0% vs 27.
Sudano, Mateus J., Caixeta, Ester S., Paschoal, Daniela M., Martins, Alicio, Machado, Rui, Buratini, Jose, Landim-Alvarenga, Fernanda D. C.   +6 more
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Local immune response against larvae of Rhipicephalus (Boophilus) microplus in Bos taurus indicus and Bos taurus taurus cattle

International Journal for Parasitology, 2010
Bos taurus indicus cattle are less susceptible to infestation with Rhipicephalus (Boophilus) microplus than Bos taurus taurus cattle but the immunological basis of this difference is not understood. We compared the dynamics of leukocyte infiltrations (T cell subsets, B cells, major histocompatibility complex (MHC) class II-expressing cells ...
Constantinoiu, C. C., Jackson, L. A., Jorgensen, W. K., Lew-Tabor, A. E., Piper, E. K., Mayer, D. G., Venus, B., Jonsson, N. N.   +7 more
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Bos taurus (Cattle)

1967
The karyotypes shown here were taken from slides made from lymphocyte cultures, courtesy of Dr. Nat M. Kieffer, Texas A & M University, College Station, Texas, USA.
T. C. Hsu, Kurt Benirschke
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Oestrous cycles in Bos taurus cattle

Animal Reproduction Science, 2011
The oestrous cycle in cattle lasts for 18-24 days. It consists of a luteal phase (14-18 days) and a follicular phase (4-6 days). During the cycle there are generally two (dairy cows) or three (heifers and beef cows) waves of ovarian follicle growth. Each wave of follicle growth consists of a period of emergence of a cohort of follicles, selection of a ...
N, Forde, M E, Beltman, P, Lonergan, M, Diskin, J F, Roche, M A, Crowe   +5 more
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Composition and Yield of Milk from Beef-Type Bos Taurus and Bos Indicus × Bos Taurus Dams

Journal of Animal Science, 1987
Yield, butterfat, protein, lactose and solids-not-fat of milk from mature dams (n = 128) representing eight Bos taurus and Bos indicus X Bos taurus breed types were evaluated approximately 60, 105 and 150 d postpartum. Breed type was a significant source of variation in milk yield at each stage of lactation. Average 24-h milk yields (kg) were: Hereford,
D R, Daley, A, McCuskey, C M, Bailey
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Neoplasms in Calves ( Bos taurus )

Veterinary Pathology, 1982
From January 1, 1977 through December 31, 1978, 529,077 calves were slaughtered at a Wisconsin abattoir. Tissues from 36 calves found unfit for human consumption because of suspected neoplasia were examined histologically, and 19 lymphomas, seven mesotheliomas, one embryonal nephroma, one fibroma and one hemangiosarcoma were found.
G J, Schamber, C, Olson, L E, Witt
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