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Assessing effects of tannin-rich sainfoin supplements for grazing dairy goats on feed protein efficiency

Leiber, Florian; Arnold, Nadine; Heckendorn, Felix and Werne, Steffen (2020) Assessing effects of tannin-rich sainfoin supplements for grazing dairy goats on feed protein efficiency. Journal of Dairy Research, 87 (4), pp. 1-3.

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Online at: https://www.cambridge.org/core/journals/journal-of-dairy-research/article/abs/assessing-effects-of-tanninrich-sainfoin-supplements-for-grazing-dairy-goats-on-feed-protein-efficiency/BC63279776796D5D6319B759AE411DFD

Summary

This research communication presents a study evaluating the effects of dried sainfoin (Onobrychis viciifolia) supplemented to dairy goats on their milking performance and feed protein efficiency under commercial conditions. During July and August 2015, a herd of 20 Alpine goats was divided into two treatments (n = 10), balanced by milk yield and days in milk. They were supplied with either 700 g/d sainfoin pellets (condensed tannins: 4.0 g/kg DM) or 700 g/d lucerne (Medicago sativa) pellets (condensed tannins: 0.3 g/kg DM). The goats remained in one herd and were separated by treatments only during milking. In the milking parlour each goat received 350 g of the respective pellets, twice daily. During the day, the herd had 5 h access to a high-quality pasture (crude protein >200 g/kg DM), whilst during the rest of the day and the night animals were housed and offered grass hay ad libitum. The experiment lasted for seven weeks. Individual milk yields and composition were controlled in weeks 1, 3, 5, and 7 after the start of the experiment. No differences between the treatments were found, either for milk, protein or urea yields, nor for protein, urea and fat concentrations. Urea to protein ratio in milk was lower with the sainfoin treatment. In conclusion, sainfoin compared to lucerne, supplied for 7 weeks to dairy goats at approximately 25% of the diet, had only weak beneficial and no adverse effects on milking performance, milk composition and feed protein efficiency under commercial conditions of pasture-based dairy production.


EPrint Type:Journal paper
Keywords:Alfalfa, dairy goat, milk urea, nitrogen efficiency, plant secondary compound, small ruminants, Department of Livestock Sciences, animal nutrition, FiBL50032, animal health, Abacus
Agrovoc keywords:
LanguageValueURI
Englishdairy goatshttp://aims.fao.org/aos/agrovoc/c_129375ee
EnglishMedicago sativahttp://aims.fao.org/aos/agrovoc/c_4693
Englishproteinshttp://aims.fao.org/aos/agrovoc/c_6259
Subjects: Animal husbandry > Feeding and growth
Animal husbandry > Production systems > Sheep and goats
Animal husbandry > Health and welfare
Research affiliation: Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Animal > Animal health
Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Animal > Animal nutrition > Feedstuffs
Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Animal > Animal welfare & housing > Grassland-based livestock systems
Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Animal > Animal nutrition > Protein supply
Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Animal > Small ruminants
Deposited By: Leiber, Dr. Florian
ID Code:38671
Deposited On:01 Dec 2020 13:30
Last Modified:24 Jan 2021 14:33
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted

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