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Calf health
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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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Matheus Paez Martins Narciso (University of Alberta) Although the importance of pH and short-chain fatty acids on rumen development are well known, their impact on the small and large intestine are unclear. This study investigated the effects of ruminal short-chain fatty acid concentrations ([SCFA]) and pH on the rumen and intestine of calves. Holstein bull calves (n = 32) were individually housed and fed milk replacer (900 g/d) twice daily and calf...
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May 14, 2024
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Brian Aldridge (University of Illinois) shares insights on the environmental, nutritional, and maternal factors that affect the microbiome of different animals, during the 11th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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Matheus Paez Martins Narciso (University of Alberta) speaks on the importance of pH and short-chain fatty acids on dairy calves' intestinal digestibility and digesta, during the 11th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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Prof. Anna Catharina Berge from Ghent University delves into the intricate challenges faced during the critical first six months of a calf's life....
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Pneumonia of calves is a respiratory disease caused by the entry of bacteria and respiratory viruses into the body of calves, which occurs at the age of two to five months, and is more common in closed places and in the winter season. The best prevention of this pneumonia disease in calves is to give colostrum to calves. ...
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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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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 Despite the growing concern for animal welfare, pain control in farm animals is still neglected (CANOZZI et al., 2020; HEWSON et al., 2007; HUXLEY & WHAY, 2006; LORENA et al., 2013). Until recently, this was partly due to the lack of precise instruments to assess pain (DOCKWEILER et al., 2013). In cattle, several zootechnical practices culminate in acute perioperative pain that can become chronic or neuropathic if preventive measures are not taken. The most...
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1. Review of Common Calfhood Diseases A recent National Animal Health Monitoring dairy report showed that average calf mortality due to disease, was 10.8 % for preweaned calves and 2.4 % for weaned calves. However, rates of illness and mortality vary considerably among individual farms, depending on the calf management program. Calfhood diseases have a significant financial impact on dairies. The costs associated with...
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Introduction Tremendous increase in cow/buffalo cost, hence organized farms are focusing to maintain progeny. Dairy herd replacement can be attained by improved management strategies like lower calving intervals, higher calving rates, reduced still born and pre-weaned calf mortalities and fewer non pregnant heifers. Such strategies can increase the number of replacement heifer calves in the herd from current 15% to over...
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Diarrhoea is a multifactorial disease entity that can have serious financial and animal welfare implications in dairy herds. It has been estimated that 75% of early calf mortality in dairy herds is caused by acute diarrhoea in the pre-weaning period Diarrhoea is a common complaint in cattle and young ruminants (particularly in the first few months of life). Many of the pathogens and management practices that cause diarrhoea in...
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Learn how to measure colostrum quality with a refractometer with Phileo experts, and find out how Actisaf can improve colostrum quality by increasing IgG production. At Phileo by Lesaffre, they are dedicated to teaching you how to use field tools to support you in your on-farm experience....
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The first week of the life of calves, which belongs to the calving phase, is the most critical period, as 50% of the first-year mortality rate occurs during this period, where various stressors strongly influence health. Stress is a response of the animal's organism to a stimulus, and when it is associated with negative situations, reduced performance and productivity are inevitable, since animal health is affected, especially in the early days of life. Animals may suffer from...
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INTRODUCTION Raising healthy calves is the foundation for a sustainable and profitable dairy herd. Dam nutrition during the last trimester, calving supervision/assistance, maternity facilities hygiene, umbilical care of calves, colostrum management, and calf nutrition are important factors that impact calf development and health (Lorenz et al., 2011). Calf mortality of 5% or less has been suggested as target for calfrearing operations (Lanuza, 2006). In Chile, however, there is...
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Aaron Scott (USDA) talked about disease tracing and resources to do it, during 2019 NIAA Annual Conference: Animal Agriculture - Innovation, Technology and Consumer Engagement in Des Moines, Iowa, USA....
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INTRODUCTION Trace mineral elements such as Cu, Cr, and Zn have important roles in the health and immunity of peripartal dairy cows (Spears and Weiss, 2008). Minerals have been commonly supplemented to cattle in the form of inorganic salts, preferably as sulfates; however, the development of organic forms of trace minerals, such as minerals complexed with AA, minimize the risk of mineral antagonism and enhance absorption...
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