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Predicting Feed Intake of Food-Producing Animals (1987) / Chapter Skim
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5. Dairy Cattle
Pages 48-55

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From page 48...
... nonlactating cattle gaining about 800 g daily eat dry matter equivalent to 2 percent of their body weight, and (2) lactating cows eat dry matter equivalent to 3.2 percent of their body weight.
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From page 49...
... as dry matter or digestible energy, the approaches to this problem are worthy of comparison before a method of computing estimates is selected. LIMITING FORAGE INTAKE The voluntary intake of different foods and the amount of digesta in the reticulorumen are interdependent (sampling, 1970~.
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From page 50...
... Hibbs and Conrad (1975) developed equations to estimate dry matter intake, maximum feed intake, and minimum allowable digestibility.
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From page 51...
... in DM provides feed intake. Validation and efficacy of predicting dry matter intake using Equation 8 is shown in Table 5-2.
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From page 53...
... Thus, the daily turnover rate of fecal dry matter rises from 1.08 percent body weight (Conrad et al..
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From page 54...
... Changes in estimated dry matter intake (DMI) in cows as functions of daily milk production (M)
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From page 55...
... 1957. Interrelations between digestible nutrient and energy content, voluntary dry matter intake and overall feeding value of forages.
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Key Terms

  • dry matter
  • milk production
  • matter intake
  • dairy cows
  • dairy cattle

  • body weight
  • energy balance
  • lactating cows
  • digestible energy
  • voluntary intake

  • food intake
  • physical factors
  • forage intake
  • factors influencing
  • fatty acids

  • maximum feed
  • predicting feed
  • lactation period
  • lactating dairy
  • detergent fiber

  • physical limitations
  • intake using
  • meal length
  • prediction equation
  • cows eating

  • increased milk
  • ammonia concentration
  • increased feed
  • milk fat
  • computing estimates


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