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- Title
COMO MANEJAR VACAS LEITEIRAS DURANTE O PERÍODO DE TRANSIÇÃO? NOVAS ESTRATÉGIAS DE CONTROLE DOS DISTÚRBIOS METABÓLICOS- UMA REVISÃO.
- Authors
ROSA, Patrícia Pinto da; CHESINI, Rodrigo Garavaglia; MOTA, Gilliany Nessy; XAVIER, Amanda Azambuja da Silva; SEDREZ, Pamela Aristimunho; GRAZZIOTIN, Rodrigo Chaves Barcellos; CAMACHO, Juliana da Silva; ROLL, Victor Fernando Buttow
- Abstract
Milk production in Brazil has increased in recent years due to investments in genetics and balanced diets, where high production animals have their metabolism forced to the limit to meet the productive demand. The objective of this review was to discuss the literature on the transition period of dairy cows, highlighting practices of nutritional management during this period, as well as strategies for the prevention of metabolic disorders. The transition period consists of three weeks before up to three weeks postpartum, is highly relevant to dairy cows health, directly affecting production and profitability. The negative energetic balance (BEN) affects the great majority of the animals in this period, causing disorders in the cow's energy balance, with increased levels of nonesterified fatty acids (NEFA) and betahydroxybutyrate (BHB) leading to metabolic disorders such as hepatic steatosis, ketosis, milk fever, displacement of abomasum, as well as reproductive problems and mastitis. The use of additives in the diet of these animals is an effective alternative in the prevention of metabolic diseases and as an increase in dry matter intake (IMS), along with other strategies to help reduce metabolic dysfunctions and immunosuppression during the transition period, such as limiting milk production during the first week of lactation with incomplete milking twice a day, because it reduces the negative energy balance, and consequently the levels of NFA and BHB in the blood, without compromising the rest of the lactation.
- Subjects
BRAZIL; FREE fatty acids; MILK yield; MASTITIS; METABOLIC disorders; ANIMAL feeding behavior; GENETICS
- Publication
Nucleus Animalium, 2019, Vol 11, Issue 2, p71
- ISSN
1984-879X
- Publication type
Article
- DOI
10.3738/21751463.3640