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Dairy farmers are always looking for ways to boost efficiency in their operation. This especially holds true in the milking parlor. Installing new technology or hiring an extra hand is one way to increase efficiency, but it can also cost producers a pretty penny. Think about the environment of the parlor itself. Is your parlor a place...
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Heat stress is considered one of the main causes of performance and economic losses in the world dairy sector. These losses are proportional to the degree of heat stress cows are subjected to (days or hours per year, cows are exposed to THI above threshold), as well as to the level of production and some nutritional and managerial practices. Do we really know to quantify the total losses? The answer for the moment is no! The literature published until now deals with most of the...
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Introduction The major challenge in livestock farming worldwide is to increase and improve production while limiting environmental impact and competition for resources for human consumption. Ruminants are key to food security as they convert forages, not directly usable by monogastric animals and humans, into animal products for human food. They supply 51% of all protein with respectively 67% and 33% from milk and meat (Gerber et al., 2013). However, ruminant livestock...
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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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Dr. Ryan Ordway, Global Director of Strategic Accounts at Balchem, speaks about the new developments and studies in transition cow nutrition
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Wenli Li (US Dairy Forage Research Center) talks about using diets to manipulate rumen microbiome, during the Symposium on Gut Health in St. Louis, USA....
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Introduction Lucerne is the main grazed forage of Argentina. However, there is a large yield and consumption gap on most dairy and beef farms. Jáuregui et al. (2019) indicated that < 5 t ha -1 are consumed on average on dairy farms. There is potential to close the gap by increased grazing frequency, particularly during periods of high growth such as spring (Jáuregui et al., 2022). However, the long-term effects of such management on lucerne persistence...
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Israel is located in the eastern basin of the Mediterranean Sea and is characterized by a subtropical climate. Summer lasts from June to October and is characterized in most regions of the country by high temperatures and humidity at all hours of the day, but no rain at all. The Israeli dairy industry has about 120,000 cows that produce close to 1.5 billion liters per year. The annual milk yield per cow is the highest in the world and stood at more than 12,000 liters in 2021. The...
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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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1. Introduction While formaldehyde (FA) is naturally present as a low concentration metabolic intermediate in the cells of most living organisms [1,2], it is also found in several foods [1–3]. However, the presence of FA in milk, whether for direct consumption or for processing, can be caused by the direct addition of this compound as an “unapproved” preservative to extend its shelf life at room temperature due to its antimicrobial action [4,5] or by the...
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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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Increasing the level of nutrition provided to dairy calves in the first weeks of life has resulted in several benefits such as decreased morbidity and mortality, faster recovery from disease, decreased age at first calving, improved mammary development, and increased milk production as an adult. What causes abomasal...
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Yeasts are single-celled, facultative anaerobic eukaryotes that are prevalent in various fermented feeds. Yeasts can negatively affect silage quality by metabolizing available nutrients within the feed which leads to dry matter loss and decreased nutritive value, and by producing ethanol which can lead to off flavors in milk when consumed. Yeasts also oxidize lactic acid, which increases silage pH and promotes the growth of organisms such as mycotoxin-producing molds. Although wild yeasts...
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