conception/diaree

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Effect of bovine viral diarrhea virus on conception in cattle.

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Sixty adult dairy cows were used to study the effect of bovine viral diarrhea (BVD) virus on conception when inoculated with the virus within 2 hours after breeding. Fifteen cows were assigned at random to each of 4 groups. Group I (control) cows were given 3 ml of diluent in the uterus; group II

[Maternal conceptions of infantile diarrhea]

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OBJECTIVE: To understand maternal conceptions of infantile diarrhea, encouraging reflection on the importance of communication between mothers and health services. METHODS: Survey carried out in selected areas of six towns in the state of Pernambuco, all of which participated in the diarrhea control

Associations between reproductive performance and seropositivity for bovine leukemia virus, bovine viral-diarrhea virus, Mycobacterium avium subspecies paratuberculosis, and Neospora caninum in Canadian dairy cows.

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Our objective was to investigate effects of seropositivity for bovine leukemia virus (BLV), Type 1 bovine viral-diarrhea virus (BVDV), Mycobacterium avium subspecies paratuberculosis (MAP), and Neospora caninum (NC), and their possible interactions, on reproductive efficiency (specifically,

Efficacy of bovine viral diarrhea virus vaccination to prevent reproductive disease: a meta-analysis.

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Bovine viral diarrhea virus (BVDV) is an important reproductive pathogen of cattle worldwide. The reproductive outcome of BVDV infection is largely dependent on the immune status of the dam and the stage of gestation at the time of infection. Potential sequelae include failure of conception,

Risk assessment of transmission of bovine viral diarrhea virus (BVDV) in abattoir-derived in vitro produced embryos.

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Bovine virus diarrhea virus (BVDV) is a pathogen of the bovine reproductive system causing reduced conception rates, abortions and persistently infected calves. Most if not all strains of BVDV are transmissible by natural mating and AI. For international trade, it is recommended that in vitro

Diarrhea: a new risk factor for neural tube defects?

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BACKGROUND Neural tube defects (NTDs) affect approximately 4000 US pregnancies annually. Folic acid supplementation taken before conception protects against the occurrence of NTDs. Adequate levels of vitamin B12 also appear to play a significant role. Gastrointestinal disturbances, such as those

Bovine viral diarrhea virus (BVDV) infection in relation to fertility in heifers.

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In this study, blood serum and leukocyte samples were collected from 400 Holstein heifers, all of which appeared to be healthy. Antibodies (Ab) against bovine viral diarrhea virus (BVDV) were detected in 57 serum samples, and BVDV antigen (Ag) was detected in 38 leukocyte samples. There were

Prevaccination bovine viral diarrhea virus titers and subsequent reproductive performance in dairy heifers.

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The study was conducted to determine if there was a relationship between prevaccination bovine viral diarrhea virus (BVDV) titers in 14 month-old dairy heifers and time open during first lactation, length of the conception interval, fetal survival during the second pregnancy, and age at culling.

Reproductive safety of vaccination with Vista 5 L5 SQ near breeding time as determined by the effect on conception rates.

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Replacement heifers (N=799; 10 to 13 months of age) were vaccinated with Vista 5 L5 SQ (Intervet; a reconstituted vaccine-bacterin product containing modified-live cultures of infectious bovine rhinotracheitis [IBR] virus, bovine viral diarrhea virus [BVDV; types 1 and 2], parainfluenza-3 virus, and

Fertility of cows challenged with a cytopathic strain of Bovine Viral Diarrhea virus during an outbreak of spontaneous infection with a noncytopathic strain.

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During an attempt to accumulate 40 Bovine Viral Diarrhea virus (BVDV) seronegative cows for breeding and for intramuscular infection on Day 21 of gestation, a persistently infected cow was inadvertently included among the first group of seronegative animals assembled. This animal proceeded to infect

Effects of neonatal diarrhea and other conditions on subsequent productive and reproductive performance of heifer calves.

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Diarrhea is one of the most frequent diseases of neonatal calves in dairy herds. The aim of this study was to evaluate the effects of neonatal diarrhea and other conditions on subsequent first lactation milk production and reproductive performance of heifer calves up to the first calving. Seven

Economic effects of exposure to bovine viral diarrhea virus on dairy herds in New Zealand.

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The economic loss to dairy farmers associated with bovine viral diarrhea virus (BVDV) is believed to be high in New Zealand, but no estimates are yet available. The aim was therefore to estimate the economic loss associated with BVDV in dairy herds in New Zealand. Bulk tank milk (BTM) from a random

[Professor YANGJun's clinical characteristics in the treatment of chronic diarrhea with acupuncture and herbal medicine based on qi activity theory in Huangdi Neijing].

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Professor YANGJun believes that chronic diarrhea is located in the "intestine" and its pathogenesis focuses on the dysfunction of the spleen and the stomach which results in the impairment of qi activity. In the treatment, the comprehensive therapy is adopted,

Effect of bovine viral diarrhea virus infection on fertility of dairy heifers.

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A prospective field study in heifers from birth to first breeding was undertaken on two commercial dairies to assess the effect of bovine viral diarrhea virus (BVDV) congenital and post-natal infection (PNI) on fertility. A high BVDV Type 2 antibody titer (1:4096) at 10 months of age was associated

Reproductive consequences of infection with bovine viral diarrhea virus.

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Reproductive efficiency is imperative for the maintenance of profitability in both dairy and cow-calf enterprises. Bovine viral diarrhea virus is an important infectious disease agent of cattle that can potentially have a negative effect on all phases of reproduction. Reduced conception rates,early

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