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Dairy cattle nutrition
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Dr. Daryl Nydam, Director, Quality Milk Production Services Animal Health Diagnostic Center, Cornell University, USA, talks to us during Phileo's Global Ruminant Symposium on Health & Management in Toulouse, France....
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Introduction Most cows undergo some level of hypocalcemia in the immediate postpartum period, with 40 to 70% of multiparous cows developing subclinical hypocalcemia (SCH; Reinhardt et al., 2011; Caixeta et al., 2015; Neves et al., 2017). Supplementing zeolite A in prepartum rations improves Ca status during the peripartum period (Thilsing et al., 2006; Pallesen et al., 2008). In European studies, feeding zeolite A for the 2 weeks prior to calving resulted in...
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Introduction Most cows undergo some level of hypocalcemia in the immediate postpartum period, with 40 to 70% of multiparous cows developing subclinical hypocalcemia (SCH; Reinhardt et al., 2011; Caixeta et al., 2015; Neves et al., 2017). Feeding prepartum rations low in Ca can improve Ca status postpartum (Kichura et al., 1982) but is difficult to achieve with commonly used feedstuffs in the US (Goff, 2006). In European studies, feeding zeolite A for the 2...
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For many years dietary protein binding has been considered the main property of tannins within animal nutrition, but more recent speculations have highlighted many other mechanisms of action for tannins. Antispasmodic effect on gastrointestinal passage, reduction of rumen starch degradation, local immune response modulation and antioxidant effect are some known examples, but perhaps the most important mechanism that explains the role of tannins, their strong and lasting impact on...
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Bioavailability of multiple rumen-protected amino acids by a stable-isotope technique in dairy cattle
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Forages make up 45 to 95 percent of the feed that dairy animals receive on a farm. We usually think in terms of just the lactating cows. It is more difficult to think in terms of the whole herd in terms of the forage needs for the farm on an annual basis. Forages are the single-most important feed that we feed on the farm and the most variable in quality. It is critical to the profitable success of a farm that this part of the farm operation be carefully planned and optimized. We...
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Introduction The buffalo and cow calves born at the government livestock farms are usually given milk at the rate of 10% of their body for 8 weeks, and then tapering it off to zero at the end of 12th week. The growth rate and weaning weights of both these species have been variable across the years at these livestock farms (data from annual reports of LPRI, Bahadurnagar, Okara) indicating the difference in the feeding management. Calf mortality can go as high as 15% in the...
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ABSTRACT This study extended during July to August 2009 and aimed to evaluate the effect of using fibrolytic enzymes on reducing the effect of heat stress on milk yield and composition of lactating Holstein Friesian cows. Ambient temperatures and relative humidity were recorded three times every day at 7 am, 3 pm and 11 pm. Temperature was ranged from 33-36 0 C and the relative humidity was ranged from 52 to 56...
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Benefits beyond milk fever...time after time. We know that X-Zelit has benefits beyond milk fever prevention, but don't take our word for it, watch what some farmers using it have to say! Testimonials from Australia...
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Introduction Sugar is a concentrated energy food. However, it is not documented as a vital nutrient for humans. If we never had another teaspoon of dietary sugar in our life, our nutritional health would not be affected in the slightest. So from a health view point sugar is valueless. Sugar is traditionally seen as a danger to blood-glucose levels. The US Dept of Agriculture recommends that sugar makes up no more than about 8...
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Lipids are metabolic regulators of reproduction in dairy cattle. As pregnancy losses are substantial in dairy cattle, it is necessary to implement strategies to counter this issue. Among them, nutritiona ones, and particularly fatty acids, are day by day proven to be more effective. Early stages of conceptus development constitutes a window of action, as this period requires substantial coordination of lipid metabolism by conceptus cells (changes in concentration or composition of fatty...
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Bioavailability of multiple rumen-protected amino acids by a stable-isotope technique in dairy cattle
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Introduction Accurate predictions of nutrient supply and nutrient requirements are essential to modern ration formulations and animal production. Accurate and precise models allow provision of nutrients to meet requirements for maintenance and optimal production without supplying excess nutrients that contribute to inefficiency or environmental damage. Most nutrient models predict...
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Relative feed value has been used for a number of years to indicate the overall feed value of forage. In recent years, there have been some changes considered to make this assessment more accurate in regards to predicting the feed value of forage. It is well accepted that there is a correlation between the acid detergent fiber (ADF) portion of forage and the energy value of the forage. One of the problems has been that different labs will use different methods of calculating the energy...
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Per Theilgaard, Product Manager for Vilofoss, talks to us about gut health and their product Vitcoxduring Eurotier 2016, in Hannover, Germany....
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Take Home Messages By-product feeds can provide nutritional and economic benefits for dairy managers. Pricing and positioning are key focus areas to consider. Several questions must be managed for on-farm success. Feed variation must be considered when building dairy rations using by-product feeds. ...
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Dr. Jim Quigley, Director of Calf and Heifer at Cargill, talked to us about fat deposition in the udder, during the Dairy Cattle Breeding and Rearing Symposium in Buenos Aires, Argentina. ...
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Introduction With the increased cost of grain and forages in the USA, dairy producers have turned their attention to the feed efficiency of milk production. Low on-farm starch digestibility contributes to reduced feed efficiency. Several researchers have demonstrated that measuring fecal starch (FS) is highly correlated to total tract starch digestibility in dairy cows. One factor affecting the digestibility of starch in...
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Bioavailability of multiple rumen-protected amino acids by a stable-isotope technique in dairy cattle
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Introduction Grouping cows is a common practice farmers use to manage their herd more efficiently. Farmers use this strategy to separate far-off, close-up, sick, fresh, and pregnant cows. Grouping addresses cows’ specific needs. However, grouping lactating cows for nutritional purposes and providing groups with more precise diets has not been adopted as widely as it could be, despite the fact that many studies...
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Dear ALL
please guide me how to nutralized the high / low values of following particulers / ingridents of water for cattle drinking
1- high PH
2- High Chlorides
3- High RSC (
4- High EC ( Electrical condactivity)
or other particulers
Regards
Subhani ...
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Dr. Kenneth Nordlund, Emeritus Clinical Professor in the School of Veterinary Medicine at the University of Wisconsin-Madison, USA, talks to us during Phileo's Global Ruminant Symposium on Health & Management in Toulouse, France....
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Dear all
As we all know about thereats of FMD to the dairy animals and its impact on dairy balance sheet and as dairy industry is turned towards new achievements including automizations and dairy softwares.but still there is a feeling of question mark regarding FMD.my question arises that can we erradicate it worldwide?or what are those preventive measures that can be beneficial for a dairy farm or that can cover a large area?
Waiting for your expert opinion.
Dr.Durgesh...
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