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• Peripartum in dairy goats: know it to get it better

  Dairy goat breeding is slowly increasing as well as the interest in goats derived products. These animals have the same rearing problems and they are linked to milk cost and economical sustainability as dairy cows are. Goat milk is more expensive than bovine so that we can improve the return on investment in two ways: performance optimization and product valorization.

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• The importance of the dry period in dairy cows

  To dry-off a cow means stopping milking for a certain period before the next calving. Usually, this interruption is at 220 days of pregnancy to ensure 60 days of production stop. Genetic selection in the last decades and the continuous attempts to obtain a calving-fertilization period as short as possible led to dry-off cows with very high milk yield.

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• Fat-soluble vitamins: precious allies of the immune system and beyond

  The aim of clinical nutrition is to improve animal health and reducing the use of antibiotics to the bare minimum. If the immune system of dairy cows is efficient, there is a reduction in pathologies prevalence and they have a better recovery, especially for metritis and mastitis, without the use of a large amount of antibiotics.

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• Vitamin C: the endogenous synthesis is not enough

  Vitamin C is an essential molecule for humans so that its dietary intake is needed. Many animals are able to synthesize this vitamin starting from precursors such as glucose and galactose, through the glucuronic acid metabolic pathway. In ruminants, vitamin C is strongly degraded (about 60%) by rumen microflora and depends on their endogenous hepatic production.

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• The subtle (secondary) deficiency of methyl groups

  One of the most important goals of bovine genetic selection is to improve milk protein production. Thanks to this selection and to the specific nutrition, today the high genetic merit (HGM) Holstein cows produce 3% casein during winter. This extremely high protein production is causing more and more fertility and immune problems to the animals.

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• Summer low performance: reduced feed intake is not the only cause

  The perceived temperature is closely linked to the environmental one and to the relative humidity increase and increase significantly during summer. Every animal species can correctly dissipate endogenous heat to maintain the physiological temperature in a specific perceived temperature range: past this, the body temperature increases, and the animal experiences heat stress.

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• Essential fatty acids and fertility

  Lipids are among the most important component of dairy cows' diet. The high energy deriving from lipids, but most of all the dietary intake of specific fatty acids, have a positive impact on ovarian and reproductive function. They stimulate prostaglandin activity, steroid hormones synthesis from cholesterol, and insulin production.

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• Rumen protected methionine to improve buffalo milk quality

  Bovines and buffaloes are very different, there are two different typologies of reared buffaloes: swamp buffalo and river buffalo.

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• Differences between buffaloes and cows

  In “Nutrition Ecology of the Ruminant” (1982), Peter J. Van Soest introduced new nutrients that were subsequently used for the development of the Cornell Net Carbohydrate and Protein System (CNCPS®), and accurately described the ecological position of ruminants.

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• How to improve colostrum quality

  Ruminants placenta avoids immunoglobulins transfer from the mother to the fetus (passive immunity). Calves are not protected against infections until they develop their own active immunity, except for antibodies received through colostrum.

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• Oxidative stress: the most insidious of metabolic diseases

  ATP is the fundamental energy molecule for the organism's metabolic function. Its production is derived from the oxidation of different substrates such as carbohydrates and fatty acids. ATP is like a charged battery: when the energy is finished the molecule becomes ADP and is subsequently “re-charged” into ATP.

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• Functional nutrition helps to prevent the economic losses related to the transition period

  The passage from the dry period (or the last weeks before calving in heifers) to the puerperium (the 20 days after calving) is really challenging for dairy cows. During this period (the transition period) there is a higher incidence of metabolic pathologies and of related infections.

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