Publications by authors named "Irek Malecki"

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Minimum sperm dose for optimal fertility after artificial insemination in ostriches.
Pfunzo T Muvhali, Maud Bonato, Irek A Malecki, Schalk W P Cloete

Theriogenology· July 2022

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Mass Sperm Motility Is Correlated to Sperm Motility as Measured by Computer-Aided Sperm Analysis (CASA) Technology in Farmed Ostriches.
Pfunzo T Muvhali, Maud Bonato, Irek A Malecki, Schalk W P Cloete

Animals (Basel)· April 2022

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Mobility of Japanese quail spermatozoa and its relationship to egg fertility.
Umar Farooq, Irek A Malecki, Graeme B Martin, Misbah Mahmood

Reprod Domest Anim· December 2021

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The effect of dilution rate and successive semen collections on sperm quality and sexual motivation of sexually mature South African Merino rams.
Maud Bonato, Marna A M J Smith, Irek A Malecki, Schalk W P Cloete

Trop Anim Health Prod· February 2021

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Extensive human presence and regular gentle handling improve growth, survival and immune competence in ostrich chicks.
Pfunzo T Muvhali, Maud Bonato, Anel Engelbrecht, Irek A Malecki, Schalk W P Cloete

J Appl Anim Welf Sci· June 2020

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Age-related declines in ejaculate quality and sperm kinematics vary among strains of Japanese Quail (Coturnix japonica).
Umar Farooq, Irek A Malecki, Misbah Mahmood, Graeme B Martin

Reprod Domest Anim· January 2020

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Differences in Pre-Laying Behavior between Floor-Laying and Nest-Laying Pekin Ducks.
Lorelle Barrett, Irek Malecki, Dominique Blache

Animals (Basel)· January 2019

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The Effect of Extensive Human Presence at an Early Age on Stress Responses and Reactivity of Juvenile Ostriches towards Humans.
Pfunzo T Muvhali, Maud Bonato, Anel Engelbrecht, Irek A Malecki, Denise Hough

Animals (Basel)· October 2018

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Correlation between objective semen analysis and fertility in Japanese quail.
Umar Farooq, Irek A Malecki, Misbah Mahmood, Graeme B Martin

Theriogenology· July 2018

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Developing a female-only flock for artificial insemination purposes in ostriches: Progress and future directions.
Maud Bonato, Irek A Malecki, Zanell Brand, Schalk W P Cloete

Anim Reprod Sci· May 2017

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Nutrition affects Sertoli cell function but not Sertoli cell numbers in sexually mature male sheep.
Yongjuan Guan, Guanxiang Liang, Penny A R Hawken, Sarah J Meachem, Irek A Malecki

Reprod Fertil Dev· June 2016

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Roles of small RNAs in the effects of nutrition on apoptosis and spermatogenesis in the adult testis.
Yongjuan Guan, Guanxiang Liang, Penelope A R Hawken, Irek A Malecki, Greg Cozens

Sci Rep· May 2015

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Predicting ejaculate quality and libido in male ostriches: effect of season and age.
Maud Bonato, Irek A Malecki, Paulina K Rybnik-Trzaskowska, Charlie K Cornwallis, Schalk W P Cloete

Anim Reprod Sci· December 2014

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A morphological classification of sperm defects in the ostrich (Struthio camelus).
Lizette du Plessis, Irek Malecki, Maud Bonato, Marna Smith, Schalk Cloete

Anim Reprod Sci· November 2014

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Under-nutrition reduces spermatogenic efficiency and sperm velocity, and increases sperm DNA damage in sexually mature male sheep.
Yongjuan Guan, Irek A Malecki, Penelope A R Hawken, Matthew D Linden, Graeme B Martin

Anim Reprod Sci· October 2014

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The effect of temperature and pH on the motility and viability of ostrich sperm.
Maud Bonato, Charlie K Cornwallis, Irek A Malecki, Paulina K Rybnik-Trzaskowska, Schalk W P Cloete

Anim Reprod Sci· July 2012

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Artificial insemination technology for the emu--improving sperm survival.
Irek A Malecki, Sushil Sood, Alene Tawang, Graeme B Martin

Reprod Biol· December 2011

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Twice daily collection yields greater semen output and does not affect male libido in the ostrich.
Maud Bonato, Paulina K Rybnik, Irek A Malecki, Charlie K Cornwallis, Schalk W P Cloete

Anim Reprod Sci· February 2011

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The use of a hypo-osmotic swelling (HOS) test on sperm of the pig (Sus scrofa domesticus), emu (Dromaius novaehollandiae), Asian elephant (Elephas maximus), hamadryas baboon (Papio hamadryas hamadryas), and central rock rat (Zyzomys pedunculatus).
Phillip Matson, Wendy Kappelle, Irek Malecki

Reprod Biol· July 2009

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Distribution of spermatozoa in the outer perivitelline layer from above the germinal disc of emu and ostrich eggs.
Irek A Malecki, Graeme B Martin

Reprod Fertil Dev· September 2007

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Fertility of male and female emus (Dromaius novaehollandiae) as determined by spermatozoa trapped in eggs.
Irek A Malecki, Graeme B Martin

Reprod Fertil Dev· October 2004

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