World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
31
Citations
3601
World Ranking
2290
National Ranking
139

M.G. Colazo publication distribution in Animal Science and Veterinary in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Animal Science and Veterinary in 2026. The highlighted bar marks where M.G. Colazo sits on this spectrum.

29–33 publications: 1 scientists 34–38 publications: 6 scientists 39–43 publications: 17 scientists 44–48 publications: 23 scientists 49–53 publications: 28 scientists 54–58 publications: 44 scientists 59–63 publications: 66 scientists 64–68 publications: 75 scientists 69–73 publications: 71 scientists 74–78 publications: 85 scientists 79–83 publications: 108 scientists 84–88 publications: 105 scientists 89–93 publications: 84 scientists 94–98 publications: 103 scientists 99–103 publications: 97 scientists 104–108 publications: 95 scientists 109–113 publications: 89 scientists 114–118 publications: 88 scientists 119–123 publications: 109 scientists 124–128 publications: 93 scientists 129–133 publications: 89 scientists 134–138 publications: 95 scientists 139–143 publications: 92 scientists 144–148 publications: 80 scientists 149–153 publications: 75 scientists 154–158 publications: 74 scientists 159–163 publications: 67 scientists 164–168 publications: 53 scientists 169–173 publications: 62 scientists 174–178 publications: 63 scientists 179–183 publications: 50 scientists 184–188 publications: 55 scientists 189–193 publications: 50 scientists 194–198 publications: 27 scientists 199–203 publications: 44 scientists 204–208 publications: 31 scientists 209–213 publications: 28 scientists 214–218 publications: 38 scientists 219–223 publications: 33 scientists 224–228 publications: 36 scientists 229–233 publications: 29 scientists 234–238 publications: 35 scientists 239–243 publications: 23 scientists 244–248 publications: 24 scientists 249–253 publications: 29 scientists 254–258 publications: 28 scientists 259–263 publications: 21 scientists 264–268 publications: 25 scientists 269–273 publications: 11 scientists 274–278 publications: 18 scientists 279–283 publications: 13 scientists 284–288 publications: 18 scientists 289–293 publications: 10 scientists 294–298 publications: 12 scientists 299–303 publications: 11 scientists 304–308 publications: 15 scientists 309–313 publications: 14 scientists 314–318 publications: 14 scientists 319–323 publications: 8 scientists 324–328 publications: 8 scientists 329–333 publications: 13 scientists 334–338 publications: 14 scientists 339–343 publications: 13 scientists 344–348 publications: 10 scientists 349–353 publications: 11 scientists 354–358 publications: 5 scientists 359–363 publications: 8 scientists 364–368 publications: 8 scientists 369–373 publications: 6 scientists 374–378 publications: 7 scientists 379–383 publications: 8 scientists 384–388 publications: 3 scientists 389–393 publications: 4 scientists 394–398 publications: 5 scientists 399–403 publications: 8 scientists 404–408 publications: 5 scientists 409–413 publications: 4 scientists 414–418 publications: 3 scientists 419–423 publications: 8 scientists 424–428 publications: 5 scientists 429–433 publications: 3 scientists 434–438 publications: 5 scientists 439–441 publications: 5 scientists 442+ publications: 99 scientists
29 publications 442+

This scientist: 165 publications — 63rd percentile

63% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 442 publications or more.

M.G. Colazo D-index placement in Animal Science and Veterinary in 2026

The chart shows the D-index (discipline H-index) distribution of Animal Science and Veterinary scientists ranked by Research.com in 2026. The highlighted bar marks where M.G. Colazo sits on this spectrum.

20 D-Index: 5 scientists 21 D-Index: 22 scientists 22 D-Index: 31 scientists 23 D-Index: 44 scientists 24 D-Index: 53 scientists 25 D-Index: 66 scientists 26 D-Index: 80 scientists 27 D-Index: 101 scientists 28 D-Index: 106 scientists 29 D-Index: 116 scientists 30 D-Index: 154 scientists 31 D-Index: 158 scientists 32 D-Index: 143 scientists 33 D-Index: 137 scientists 34 D-Index: 126 scientists 35 D-Index: 134 scientists 36 D-Index: 112 scientists 37 D-Index: 115 scientists 38 D-Index: 105 scientists 39 D-Index: 111 scientists 40 D-Index: 107 scientists 41 D-Index: 87 scientists 42 D-Index: 74 scientists 43 D-Index: 62 scientists 44 D-Index: 61 scientists 45 D-Index: 41 scientists 46 D-Index: 51 scientists 47 D-Index: 43 scientists 48 D-Index: 28 scientists 49 D-Index: 47 scientists 50 D-Index: 40 scientists 51 D-Index: 34 scientists 52 D-Index: 33 scientists 53 D-Index: 43 scientists 54 D-Index: 16 scientists 55 D-Index: 32 scientists 56 D-Index: 21 scientists 57 D-Index: 18 scientists 58 D-Index: 28 scientists 59 D-Index: 33 scientists 60 D-Index: 17 scientists 61 D-Index: 21 scientists 62 D-Index: 18 scientists 63 D-Index: 21 scientists 64 D-Index: 9 scientists 65 D-Index: 20 scientists 66 D-Index: 11 scientists 67 D-Index: 16 scientists 68 D-Index: 12 scientists 69 D-Index: 17 scientists 70 D-Index: 13 scientists 71 D-Index: 15 scientists 72 D-Index: 11 scientists 73 D-Index: 11 scientists 74 D-Index: 14 scientists 75 D-Index: 5 scientists 76 D-Index: 6 scientists 77+ D-Index: 100 scientists
20 D-Index 77+

This scientist: 31 D-Index — 30th percentile

30% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 77 D-Index or more.

Overview

M.G. Colazo is affiliated with the Leduc Farm Animal Hospital in Canada and primarily focuses on research related to livestock, particularly dairy cattle. Their scholarly output encompasses a range of studies centered on reproductive physiology, genetics, nutrition, and animal health within agricultural and biological sciences.

The scientist's work spans several main fields:

  • Agricultural and Biological Sciences
  • Biochemistry, Genetics and Molecular Biology

Within these broader fields, their research emphasizes specific subfields including:

  • Agronomy and Crop Science
  • Genetics
  • Animal Science and Zoology
  • Small Animals
  • Public Health, Environmental and Occupational Health

The primary topics addressed in their research include:

  • Reproductive Physiology in Livestock
  • Genetic and phenotypic traits in livestock
  • Ruminant Nutrition and Digestive Physiology
  • Effects of Environmental Stressors on Livestock
  • Animal health and immunology
  • Reproductive Biology and Fertility
  • Animal Behavior and Welfare Studies

Recent publications reflect M.G. Colazo's focus on dairy cattle health and reproductive performance. Notable papers include:

  • Common and specific mineral and metabolic features in dairy cows with clinical metritis, hypocalcaemia or ketosis (2020), published in Research in Veterinary Science
  • Relationships between early postpartum nutritional and metabolic profiles and subsequent reproductive performance of lactating dairy cows (2020), published in Theriogenology
  • Performance and optimization of an ear tag automated activity monitor for estrus prediction in dairy heifers (2020), published in Theriogenology
  • Relationship of anogenital distance with fertility in nulliparous Holstein heifers (2021), published in Journal of Dairy Science
  • Genetic potential for residual feed intake and diet fed during early- to mid-gestation influences post-natal DNA methylation of imprinted genes in muscle and liver tissues in beef cattle (2021), published in Journal of Animal Science

The venues where M.G. Colazo routinely publishes demonstrate their involvement in key journals within animal science and veterinary research, including:

  • Theriogenology
  • Livestock Science
  • Research in Veterinary Science
  • Reproduction Fertility and Development
  • Journal of Animal Science

Frequent collaborators in their research include:

  • M. Gobikrushanth
  • K. Macmillan
  • A. Behrouzi
  • Graham Plastow
  • Carolyn Fitzsimmons

This network of co-authors indicates a focus on multi-disciplinary and collaborative approaches to advance understanding in reproductive physiology, genetics, and nutrition in livestock species. No awards or book publications have been reported in the available data.

Best Publications

  • Effects of estradiol cypionate (ECP) on ovarian follicular dynamics, synchrony of ovulation, and fertility in CIDR-based, fixed-time AI programs in beef heifers.

    Unknown

  • Residual feed intake adjusted for backfat thickness and feeding frequency is independent of fertility in beef heifers

    J. A. Basarab;M. G. Colazo;D. J. Ambrose;S. Novak

  • Diets enriched in unsaturated fatty acids enhance early embryonic development in lactating Holstein cows

    G. Thangavelu;M.G. Colazo;D.J. Ambrose;M. Oba

  • Fertility in beef cattle given a new or previously used CIDR insert and estradiol, with or without progesterone

    Unknown

  • Effects of progesterone presynchronization and eCG on pregnancy rates to GnRH-based, timed-AI in beef cattle

    J.A. Small;M.G. Colazo;J.P. Kastelic;R.J. Mapletoft

  • Effects of plasma progesterone concentrations on LH release and ovulation in beef cattle given GnRH.

    Unknown

  • A review of current timed-AI (TAI) programs for beef and dairy cattle.

    Unknown

  • Pregnancy rates to timed artificial insemination in dairy cows treated with gonadotropin-releasing hormone or porcine luteinizing hormone

    M.G. Colazo;M.B. Gordon;R. Rajamahendran;R.J. Mapletoft

  • Evidence of residual feed intake reranking in crossbred replacement heifers.

    O. N. Durunna;M. G. Colazo;D. J. Ambrose;D. McCartney

  • Progesterone concentration, estradiol pretreatment, and dose of gonadotropin-releasing hormone affect gonadotropin-releasing hormone-mediated luteinizing hormone release in beef heifers

    F.C.F. Dias;M.G. Colazo;J.P. Kastelic;R.J. Mapletoft

  • The use of controlled internal drug release devices for the regulation of bovine reproduction1

    Unknown

  • Fertility following fixed-time AI in CIDR-treated beef heifers given GnRH or estradiol cypionate and fed diets supplemented with flax seed or sunflower seed.

    Unknown

  • Effects of estradiol on gonadotrophin release, estrus and ovulation in CIDR-treated beef cattle

    Unknown

  • Neither duration of progesterone insert nor initial GnRH treatment affected pregnancy per timed-insemination in dairy heifers subjected to a Co-synch protocol

    M.G. Colazo;D.J. Ambrose

  • Progesterone supplementation before timed AI increased ovulation synchrony and pregnancy per AI, and supplementation after timed AI reduced pregnancy losses in lactating dairy cows

    Unknown

  • Effects of dose and route of administration of cloprostenol on luteolysis, estrus and ovulation in beef heifers.

    Unknown

  • Resynchronization of previously timed-inseminated beef heifers with progestins.

    M.G. Colazo;J.P. Kastelic;R.C. Mainar-Jaime;Q.A. Gavaga

  • Effect of estradiol valerate on ovarian follicle dynamics and superovulatory response in progestin-treated cattle.

    Unknown

  • Double-Ovsynch, compared with presynch with or without GnRH, improves fertility in heat-stressed lactating dairy cows

    Unknown

  • Reproductive performance of dairy cows is influenced by prepartum feed restriction and dietary fatty acid source

    Unknown

  • The relationship between serum anti-Müllerian hormone concentrations and fertility, and genome-wide associations for anti-Müllerian hormone in Holstein cows

    M. Gobikrushanth;D.C. Purfield;M.G. Colazo;S.T. Butler

  • Diameter of the ovulatory follicle at timed artificial insemination as a predictor of pregnancy status in lactating dairy cows subjected to GnRH-based protocols.

    M.G. Colazo;A. Behrouzi;D.J. Ambrose;R.J. Mapletoft

  • Categorization of endometritis and its association with ovarian follicular growth and ovulation, reproductive performance, dry matter intake, and milk yield in dairy cattle

    M. Gobikrushanth;R. Salehi;D.J. Ambrose;M.G. Colazo

  • Accuracy of a cow-side test for the diagnosis of hyperketonemia and hypoglycemia in lactating dairy cows.

    K. Macmillan;I. López Helguera;A. Behrouzi;M. Gobikrushanth

  • Evaluation of infrared thermography compared to rectal temperature to identify illness in early postpartum dairy cows.

    K. Macmillan;M.G. Colazo;N.J. Cook

  • Repeatability of antral follicle counts and anti-Müllerian hormone and their associations determined at an unknown stage of follicular growth and an expected day of follicular wave emergence in dairy cows.

    M. Gobikrushanth;P.A. Dutra;T.C. Bruinjé;M.G. Colazo

  • Characterization of anogenital distance and its relationship to fertility in lactating Holstein cows

    M. Gobikrushanth;T.C. Bruinjé;M.G. Colazo;S.T. Butler

  • Using in-line milk progesterone data to characterize parameters of luteal activity and their association with fertility in Holstein cows.

    T.C. Bruinjé;M.G. Colazo;E.S. Ribeiro;M. Gobikrushanth

  • Relationship between circulating progesterone at timed-AI and fertility in dairy cows subjected to GnRH-based protocols.

    M.G. Colazo;I. López Helguera;A. Behrouzi;D.J. Ambrose

  • Pregnancy per artificial insemination in lactating dairy cows subjected to 2 different intervals from presynchronization to initiation of Ovsynch protocol

    M.G. Colazo;P. Ponce-Barajas;D.J. Ambrose

  • Evaluation of a modified GnRH-based timed-AI protocol associated with estrus detection in beef heifers inseminated with sex-selected or conventional semen.

    M.G. Colazo;P. Whittaker;K. Macmillan;D. Bignell

  • Effects of exogenous progesterone and cloprostenol on ovarian follicular development and first ovulation in prepubertal heifers.

    L.F.M. Pfeifer;L.F.M. Pfeifer;L.G. Siqueira;R.J. Mapletoft;J.P. Kastelic

  • The factors associated with postpartum body condition score change and its relationship with serum analytes, milk production and reproductive performance in dairy cows

    M. Gobikrushanth;K. Macmillan;A. Behrouzi;B. Hoff

  • Dairy cows continuously-housed in tie-stalls failed to manifest activity changes during estrus

    C. A. Felton;M. G. Colazo;P. Ponce-Barajas;C. J. Bench

  • Effects of prepartum diets supplemented with rolled oilseeds on calf birth weight, postpartum health, feed intake, milk yield, and reproductive performance of dairy cows

    R. Salehi;M.G. Colazo;M. Oba;D.J. Ambrose

Frequent Co-Authors

John P. Kastelic
John P. Kastelic University of Calgary
Gregg P. Adams
Gregg P. Adams Western University of Health Sciences
Jaswant Singh
Jaswant Singh University of Saskatchewan
Masahito Oba
Masahito Oba University of Alberta
Burim N. Ametaj
Burim N. Ametaj University of Alberta
Ky G. Pohler
Ky G. Pohler Texas A&M University

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Related Online Degrees & Career Pathways

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These degrees complement Animal Science and Veterinary knowledge, highlighting the interdisciplinary nature of caring for both animals and humans in diverse professional roles.

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