Enzymes are naturally occurring macromolecular biocatalysts produced by living cells to bring about specific biochemical reactions. In the context of feed additives for ruminants, enzymes are employed to catalyze the degradative reactions by which substrates (i.e., feedstuffs) are digested into their chemical components (e.g., simple sugars, amino acids, fatty acids). These are in turn used for cell growth, either by ruminal microorganisms or by the host animal. Karyolact ™ is high quality water soluble multi-activity feed enzyme formulated specifically for cattle. Karyolact TM Contains carefully chosen mixture of cellulose, hemicellulase, xylanase, alpha-amylase, pectinase, protease, lipase, mannanase and phytase. The enzymes have a wide pH range, excellent water solubility, long-term stability and high levels of enzyme activity enabling Karyolact TM to be successfully effective under wide ranging conditions around the world.
This field trial was conducted at Derol Village in panchmahal District, Gujarat during February to March, 2016 for 2 weeks in 7 HF Cross dairy cows.The treatment group cows (n=7) were supplemented with Karyolact TM with 10gms/1.0 L water/cow, once a day. Cows were fed ad libitum, with free access to drinking water. Cows were milked manually twice daily at morning and evening. Also the cows were divided into different groups as per their milk yield (average milking cows: 8-10 lts/day, high yielding: 12-14 lts/day and a low yielding cow nearing drying period). Milk yield and Fat% were recorded on daily basis. Finally Day-0,1,3,7 and Day 14 data was compiled for further interpretation.
Significant overall improvement in milk production and milk fat percentage was observed consistently over a span of 2 weeks in all the groups (i.e. cows with average milk yield, high milk yield and a cow nearing drying period) treated with Karyolact TM, once daily through drinking water.
1) Milk production increased by 10.71% (Average yielding cows, as on day 14)
2) Fat percentage increased by 9.43% (Average yielding cows, as on day 14)
3) Milk production increased by 7.66% (high yielding cows, as on day 14)
4) Fat percentage increased by 9.31% (High yielding cows, as on day 14)
5) Milk production increased by 13.16% (Low yielding cow nearing drying period, as on day 14)
6) Fat percentage increased by 5.47% (Low yielding cow nearing drying period, as on day 14)
The results thus obtained from 14 day long field trial in HF crossbred cows were very positive and it clearly shows that Karyolact TM administration once daily to milking cows via drinking water brings about significant improvement in milk production and fat percentage. Also the improvement in milk yield and fat % was observed in average milk yielding, high milk yielding as well as in a cow nearing drying period. Hence Karyolact TM can be used to obtain consistent high milk yield and high fat % in all the milking cows be it average yielding, high yielding or even cows approaching drying period and consistent improvement in milk yield and fat % can be maintained over a long period.
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