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Dairy cattle - Management practices
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I opened my own farm last year in North India. I have a herd of 150 HF cows and I bought all the cows in advanced pregnancy stages. I had good results in calving and milk. Then we started the AI of them as per the normal practice i.e. as per the visible heat and also used synchronization using protocols based on receptals. Now I have 10 cows which are not getting pregnant and are almost at the point of being dry. So neither I can sell them (nobody would buy them)...
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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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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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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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Mepron® - The best Methionine source for ruminants shows excellent handling properties
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1. Introduction Goat production in Chile is carried out by poor small-scale farmers in semi-arid to arid agricultural conditions [1]. Milk and cheese are the main products obtained using artisanal, cultural and traditionally preserved methods where women and children are usually in charge of production [2]. The products are directly consumed by the family or sold to by-passers at good prices [3]. These production systems are similar in goat production around the world,...
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Global warming and the constant increase in cow’s milk yield exacerbate the summer problem in dairy farms and increase the production loss caused to milk producers. In order to quantify these losses, I collected data from five large scale high yielding dairy farms (1,500 to 3,000 cows per herd), located in the Torreon region, north Mexico, characterized by a desert climate, with close to 180 stressful days, where cows are exposed to heat stress conditions. Despite the desire to compare...
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The negative effects of heat stress and ways to deal with them are currently among the most important research areas. The reason for this is clear, heat stress has become the greatest cause of economic losses to dairy herds, including in regions with a relatively temperate climate, which have only begun to feel the problem in recent years. Evidence of the importance of the issue can be found in the following figure, taken from a recently published article and reviewing the sharp...
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Zonneveld Dairies, Inc., a 10,000-cow dairy operation in California, provides valuable insights from their experience navigating HPAI
At the forefront of the dairy industry, Jacob Zonneveld, president and CEO of Zonneveld Dairies, Inc., boldly navigates challenges as he openly shares his experiences with Highly Pathogenic Avian Influenza (HPAI). With a sprawling operation of 10,000 cows and an equivalent number of replacement heifers spread...
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The metabolic fate of deuterium-labeled choline in gestating and lactating Holstein dairy cows
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INTRODUCTION Early detection of mastitis is considered to be the best method to allow the cows the best chance for prompt recovery. Most farms base mastitis detection on visualization of clinical signs such as swollen quarters or altered milk. However, on large farms that have hired workers for milking it may prove challenging to have good mastitis detection. Therefore, new technologies are being constantly tested to automatically detect mastitis in the milking...
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Introduction The dairy industry continues to provide a nutritious food source to our growing global population. Throughout history this industry has undergone significant evolutions contributing to a “more sustainable” product. But what does sustainability really mean, and in animal agriculture, why do we care? According to the U.S. National Environmental Policy Act (NEPA) of 1969 sustainability is to “create and maintain conditions, under which humans and nature...
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Mepron® - The best Methionine source for ruminants shows excellent handling properties
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Introduction The global agricultural sector, including associated land-use changes, was responsible for emitting 10.6 gigatons (Gt) of carbon dioxide equivalent (CO 2 e), contributing considerably to the overall 53 Gt CO 2 e of global greenhouse gas (GHG) emissions (FAO, 2023). In the United States, the agriculture sector contributed 0.59 Gt CO 2 e in 2022, representing 9.36% of the nation's GHG emissions. This marked a 7.7% increase from 1990 levels...
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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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Heat stress (HS) has detrimental effects during all stages of dairy cattle life. Cows that experience HS reduce dry matter intake, milk yield, and its composition. In addition, HS has major effects on a cow's health and fertility and negatively impacts a cow's welfare. The decrease in the efficiency of milk production in such conditions increases the negative contribution of the world dairy sector to the environment and brings large economic losses to dairy farmers and the entire...
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I decided to write this article following a concrete case, in which I was asked to give an opinion regarding the purchase of fans to cool the cows along the feed line of a certain dairy farm. This manager was 240 meters long and was used to feed (and cool) 320 cows. The dairy owner had two proposals for fans to be installed in the feeding area. The first fan was 50″ in diameter with a 1.5 hp motor and belt drive, with a power consumption of 1.1 kWh. In order to achieve the...
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The metabolic fate of deuterium-labeled choline in gestating and lactating Holstein dairy cows
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Lecture given as part of bpt (German National Veterinarians Association) meeting 2024, held as part Euro Tier exhibition, Hannover, Germany. The principal factors affecting world dairy sectors in summer are climate change (global warming) and the Increase cow’s productivity. The high yielding cow generates more than 2000 W of heat (like 25 persons), which is much above her capability to dissipate, in a typical summer day. The cow in Germany will...
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Barn Robot Event
– Moderated live demonstrations – Saxony’s 16th Agricultural Workers' Day on 14 November 2024 – Topic: AI and digitalization in the agricultural sector – Impact on work on the farm – EuroTier 2024: 12 to 15 November in Hanover ...
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Mepron® - The best Methionine source for ruminants shows excellent handling properties
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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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Introduction The livestock sector faces the challenge of producing food in the context of increasing global demand for meat, which is estimated to increase by 1.6% per year ( 30 ). Intensification has been a way to improve productivity and efficiency in the beef production sector and has contributed to an increase in food production since the mid-twentieth century ( 18 , 38 ). Intensification of livestock systems is defined as an increase in meat...
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A lot of information has been published in the last decades, dealing with the negative effect of summer heat stress on the productive and reproductive traits of the high yielding cow. Very limited information existed however, up until the last years, on the effect of heat stress on the feed efficiency of cows (as estimated by the feed to milk ratio). Knowing the full extent of the economic losses caused to the cows due to heat load can help to present to the dairy farmers...
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Animal carcass composting for both routine and emergency management of food animal mortalities is a safe method of carcass disposal.{Berge, 2009 126 /id} It has been used in varying extent, depending on region and regulations, from routine composting of poultry carcasses, composting or road kill, to emergency composting of large animals and animal carcass composting in epidemic disease outbreak situations. There is a growing interest in using on-farm composting...
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