News last update:6 Aug 2012

Omega 3/6 product benefits dairy fertility

SCA NuTec will launch a new feeding programme to boost dairy cow fertility. This programme consists of consecutive feeding two products each with a specific composition of omega-6 and omega-3 fatty acids.

"Omega-3 and 6 fatty acids are attracting a lot of attention in human nutrition and there is growing evidence that these fatty acids also have beneficial effects on dairy cow health, particularly on the production of prostaglandin in the uterus," says company ruminant nutritionist Norman Downey.

The two products; Strata-G Dry Period and Strata-G Lactation can be used in total mixed rations or compound feeds. Strata-G Dry Period is high in linoleic acid, an omega-6 fatty acid that stimulates prostaglandin production, the hormone that promotes contraction of the uterus, which is important around calving. Strata-G Lactation is rich in omega-3 fatty acids sourced from fish oil. Its role is to reduce prostaglandin production. It plays an important part in embryo implantation by preventing embryonic loss.

The Strata-G Fertility Programme has been used successfully in trials. In one large-scale university-performed project with more than 500 cows, the group fed on the Strata-G feeds showed an improvement of 60-day pregnancy rates of 15%. This same group also recorded milk yields of 1kg higher than the control group. This level of improvement in fertility is estimated to improve margins by £2400 in a typical 100-cow herd.

Both feeds are recommended for feeding as part of total mixed rations - available in 25kg bags - or in compound feed at a rate of 115g/head/day. Strata-G Dry Period is recommended for three weeks pre calving followed by Strata-G Lactation for the first four to six months of lactation.

Related website:
SCA NuTec 


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