Reproductive Management Technical Articles


Article published the February 28, 2019:

Variants in the CYP19A1 gene can affect in vitro embryo production traits in cattle

Author/s :
Celia Raquel QuirinoWilder Ortiz
129 0
Article published the February 14, 2019:

Foetal Wastage in Cattle, Camel, Sheep and Goats in Birnin Kebbi Modern Abattoir, Nigeria

INTRODUCTIONNigeria is the world’s most populous black nation with over 140 million people (13), however, with relatively low number of food animals to the teaming population (5). Demographic figures indi...
Author/s :
Dr. Garba Ahmed
304 3
Article published the December 6, 2018:

Omega Fatty Acids: Reproduction and Immunity in Dairy Cows. Answers to Field Nutritionists’ Questions

1. Fatty acids formulation: changes in nutritionists approach, questions to be answered The aspects abovementioned are quite well-known by nutritionist, and do not constitute major concerns for them. On th...
Author/s :
Alfredo J. Escribano
679 1
Article published the October 10, 2018:

Fetal programming: Providing prenatal nutrients to enhance calf development

When a cow becomes pregnant, some of the nutrients it consumes will be used by the developing calf. There is no other time in the calf’s life when the development of tissues, organs and systems is occurri...
Author/s :
Dr. Steve Blezinger
506 2
Article published the May 10, 2018:

Suboptimal culture conditions induce more deviations in gene expression in male than female bovine blastocysts

Background Since the initial development of in vitro embryo production, the technique has been applied successfully to many species for clinical, commercial, and research purposes. In the early days, it was com...
Author/s :
Osvaldo Bogado Pascottini
221 0
Article published the March 22, 2018:

TNFa Altered Inflammatory Responses, Impaired Health and Productivity, but Did Not Affect Glucose or Lipid Metabolism in Early-Lactation Dairy Cows

IntroductionThe periparturient period in dairy cows is characterized by substantial metabolic stress, endocrine changes, depressed feed intake, and negative energy balance [1]. In response to these changes, dai...
Author/s :
Barry BradfordLorraine M. Sordillo
394 0
Article published the March 15, 2018:

Changes in serum IgG and total protein concentrations in calves fed differing amounts of colostrum replacer

IntroductionAcquisition of passive immunity is essential to calf health and growth. Provision of IgG using colostrum replacer (CR) products is increasingly common in the industry, but few data are available to ...
Author/s :
Jim Quigley
512 1
Article published the October 5, 2017:

Pro-inflammatory cytokine profile in dairy cows: consequences for new lactation

IntroductionThe transition period, 3 weeks before to 3 weeks after parturition, is important for health, reproduction, production and profitability of dairy cows (Bertoni et al., 2008). In this period cows are ...
Author/s :
Erminio TrevisiNusrat Jahan Nova
644 0
Article published the September 28, 2017:

Social Licking in Pregnant Dairy Heifers

1. IntroductionSocial licking is defined as the act of one individual licking the body of another [1]. This behavior is routinely observed at birth when the dam licks her offspring [2], at courtship when the ma...
Author/s :
Marina A. G. von Keyserlingk
523 2
Article published the March 29, 2017:

Influence of Heat Stress on Male Fertility

IntroductionTesticular temperature of bulls must be 2 to 6° C cooler than body temperature to allow normal spermatogenesis and maturation of sperm. Exposure of bulls to increased ambient temperatures result...
Author/s :
Robert Wettemann
537 0
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