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Dairy cattle reproductive management
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Background This brief paper is focused on the production of milk on dairy farms in North America and elsewhere, and how this is influenced by management and scale of farms and dairy enterprises. Projections of how dairy farming may change by 2050 have been forecast (Britt et al. 2018 and Britt et al. 2021). Dairy programs differ significantly between the USA and Canada, but it is not an intent of the author to say what is best, but rather to focus on systems that affect stability and...
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This passage provides an overview of the concept of Metabolic Inflammation (MI) in dairy cattle during the first several weeks of lactation. It explains that inflammation is an important physiological response, but when it persists for a long time, it can lead to negative effects on animal health and productivity. The passage also notes that there is still much to be learned about the causes and consequences of Metabolic Inflammation (Mi) in dairy cattle, and that further research is needed...
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I. FOUNDATIONS OF ANIMAL NUTRITION Animal nutrition is the part of animal husbandry that studies the use of different foods – or, more specifically, the immediate principles that constitute them – to satisfy the needs of animals useful to man [2]. This is defined as the series of processes through which an organism acquires and assimilates food to promote its growth and replace worn or damaged tissues. The nutrients are fundamental for the animals to carry out their...
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Introduction Currently, reproductive failure is the first reason for involuntary culling, which stresses the economic importance of improving fertility. Estrous synchronization programs have been researched extensively since the mid 1990’s (Pursley et al. 1995; Moreira et al., 2001; Dewey at al., 2010) with the main objective of improving artificial insemination (AI) submission rate, decrease intervals between AI,...
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Dr. Albert DeVries, University of Florida, shared key insights on economic decision-making in beef-on-dairy systems during the 2025 Florida Ruminant Nutrition Symposium. ...
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Choline is essentially a required nutrient for all dairy cows, with proven benefits on metabolic health, milk production, colostrum yield, and calf vitality. It offers a proven solution to help cows transition smoothly and boost productivity. Discover how this innovation benefits both herds and profitability. Choline has...
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Lecture given as part of bpt (German National Veterinarians Association) meeting 2024, held as part Euro Tier exhibition, Hannover, Germany. Israel is a small country located in the eastern basin of the Mediterranean Sea. The territory of Israel is 22 thousand square kilometers (Germany is 16 times larger than Israel). Almost two thirds of Israel’s territory is desert and only 20% of it is used for agriculture. Israel population is approximately...
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1. Introduction Reducing the production costs is becoming more important in the dairy industry. The suitable development of replacement heifers is an expensive investment for dairy farms, so estimations of all associated costs are about 20% of the total production costs [1]. The age at first calving (AFC) reflects the rate of growth of the female. A late entry in the productive life reduces the economic value of the animals, due to the potentially decreased number of...
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The True Future of the Agribusiness and Livestock Sector in 2026
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The quality of the transition period is decisive for the success of the subsequent lactation cycle. Cows with a poorer transition produce less milk, take longer to become pregnant, and are more likely to lose pregnancy and to be culled from the herd, causing substantial economic losses. Investments in infrastructure, personnel, and nutrition focused on prevention and treatment of postpartum health problems, when effective, often result in an excellent return of investment because it...
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Global warming and the constant increase in cow yields aggravate the summer problem on dairy farms and increase the production losses caused to dairy producers. An important part of the losses caused is due to the negative effect of heat load on the fertility of cows that are inseminated in summer. To characterize this effect, we collected data from five large-scale, high-yield dairy farms (1,500 to 3,000 dairy cows per herd) located in the "Laguna" region of northern Mexico, characterized...
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Mohamed Donia (University of Illinois) Ruminant neonates rely on colostral immunoglobulin and nutrients to support health, welfare, and performance, by protecting against infectious disease and providing early life resilience. Recent evidence suggests that transferred colostral cells also contribute to neonatal immunity under controlled experimental conditions. This study provides evidence that colostral cells enhance neonatal resilience to routine,...
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Mohamed Donia (University of Illinois) talks about the benefits of colostral cells to neonatal lambs' health and welfare, during the 11th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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Post-calving care for cattle is a critical phase in dairy farming that significantly impacts the health and productivity of both cows and their offspring. Proper care during this period is essential to ensure a smooth transition from pregnancy to lactation and to prevent potential complications. In this article, we will delve into the key aspects of post-calving care for cattle and why it is of utmost importance. Understanding the Significance of Post-Calving Care Calving...
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In mid-June this year, I realized a professional visit to Spain, where I lectured at a national conference organized by one of the country’s most popular dairy newspaper, Vaca Pinta, followed by a week of lecturing and consultancy for large scale dairy farms with MSD, realized in different regions of Spain. Among the visited regions were Talavera, south of Madrid, Galicia, in the northwest of the country, in the Atlantic coast and then the regions close to the cities of Girona and...
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Updated Vitamin Requirements Across Species: Microvit® Nutrition Guide
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Approximately 40 percent of calves that require partial assistance at birth die immediately or later (those that survive are more likely to develop respiratory and digestive problems later in life). Dystocia is associated with 50% pre-weaned calf mortality, each dairy should implement a dystocia management program and use management practices that limit the occurrence and impact of dystocia. ...
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Introduction The rise in milk production has been accompanied by increasing incidence of health problems, declining ability to reproduce and declining the fertility of modern dairy cows. The transition from late gestation to early lactation is viewed as one of the most challenging elements of the production cycle. Perhaps the most important physiological change occurring during this period is the decrease in dry matter intake around...
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Kevin Ziemba, Eastern USA Manager at STgenetics talks about the the current situation in the dairy industry, sustainability and efficiency, genetics and the importance of strategy and profitability....
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The True Future of the Agribusiness and Livestock Sector in 2026
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The summer of 2020 will be remembered as one of the hottest summers in Israel in decades. The summer heated many agricultural sectors, including the dairy industry. Beyond high heat load conditions throughout the summer, two unusual heat waves stood out in particular. The first heat wave was in May and the second in early September, as can be seen in fig 1. Fig. 1 – average daily milk production (kg) per cow in Israel in 2020. (blue line 2019, red...
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What is the best electronic cow monitoring system for heat detection on the market? I am getting killed with Silent Heats & need to choose the best system for us to buy.. One that is simple & effective & tells me when to inseminate. Do you prefer collars or legs strapped monitors? Why? Your thoughts please? Thank you!...
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