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Feeding Strategies in Conventional Systems N3539
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abortion Alfalfa amount Animal Science Cornell bacteria birth breeding buffers butterfat butterfat depression calcium calf calving interval cause cervix clean colostrum conception rates contain corn silage Cornell University crude protein daily dairy cattle dairy cows dairy rations dairyman diet digestion disease dry cows dry matter intake early lactation energy estrogen estrous cycle estrus factors feed intake feeding program fertility fetus fiber follicles forage grain mix heat detection heifers hormone increase infection insemination ketosis lactation levels Magnesium mastitis meal milk production minerals niacin normal nutrient nutrition occur ovaries oviduct ovulation oxytocin phosphate phosphorous pounds pregnancy prevent problems progesterone protein reproductive performance reproductive tract result retained placenta rumen rumination samples semen silage sodium sodium bicarbonate soluble soybeans sperm standing heat supplement Table teat tissue treatment udder urea uterine uterus veterinarian vitamin wet brewers grains