Wisitiporn Suksombat

Publications

1 Energy Evaluation and Utilization of Cassava Peel for Lactating Dairy Cows

Authors: Pipat Lounglawan, Wassana Lounglawan, Yutthapong Sornwongkaew, Wisitiporn Suksombat

Abstract:

The experiment was then conducted to investigate the effect of cassava peel addition in the concentrate on the performance of lactating dairy cows. Twenty four Holstein Friesian crossbred (>87.5% Holstein Friesian) lactating dairy cows in mid lactation; averaging 12.2+2.1 kg of milk, 119+45 days in milk, 44.1+6.2 months old and 449+33 kg live weight, were stratified for milk yield, days in milk, age, stage of lactation and body weight, and then randomly allocated to three treatment groups. The first, second and third groups were fed concentrates containing the respective cassava peel, 0, 20 and 40%. All cows were fed ad libitum corn silage and freely access to clean water. Dry matter intake, 4%FCM, milk composition and body weight change were affected (P<0.05) by the third treatments (40%). The present study indicated that 20% cassava peel can be used in the concentrate for lactating dairy cows.

Keywords: milk production, Dairy Cattle, Cassava peel, Energy evaluation

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Abstracts

1 Milk Production and Milk Composition of Dairy Cows in Response to Calcium Salt of Palm Oil Fatty Acids Supplementation

Authors: Wisitiporn Suksombat, Tanawat Phonkert, Chayapol Meeprom

Abstract:

The aim of this experiment was to investigate the effect of calcium salt of palm oil fatty acids (Ca-POFA) supplementation on milk production and milk composition of dairy cows. Twenty-four early lactating crossbred Holstein Friesian 87.5% cows (15.4 ± 3.75 kg of milk/d; 93 ± 27 DIM; 369 ± 6 kg of BW), were assigned into 3 treatments in an RCBD. All dairy cows were fed 15.4% CP total mixed ration (TMR). The first group (control) received a basal diet and no supplement. The second group was fed the basal diet supplemented with 150 g/d calcium salt of palm oil fatty acids (Ca-POFA), and the last group was fed the basal diet supplemented with 300 g/d Ca-POFA. The experiment lasted 40 days with the first 10 days is an adaptation period, and measurements were made during the last 30 days in 6 periods with 5-days in each period for milk sample collection. The results found that supplemented calcium salt of palm oil fatty acid had no effect on milk yield, milk composition, milk composition yield, live weight and live weight change. However, Ca-POFA decreased milk protein percentage (P < 0.05).

Keywords: milk production, Milk Composition, dairy cow, calcium salt of palm oil fatty acid

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