057 Cultural energy analyses of climatologically suitable places in Turkey for feedlot cattle production determined by using the comprehensive climate index model

Pon Yang Kham Livestock Cooperative Limited (PYK Coop) is a local business organisation located in Sakon Nakhon province, Thailand. It has an essential economic role in assisting farmers and the community by creating a fair income distribution. However, PYK Coop has been facing problems from an oversupply of fattening cattle and the numbers involved in cattle production. This research investigated the costs and returns of production and the suitable farm size for beef cattle production to supply PYK Coop. The primary data were collected from 409 farmers in the cooperative using a questionnaire. The costs and returns of production were analysed and classified by the size of the farm to determine the most appropriate farm size for investment. The results revealed that the average number of cattle for individual farmers was 10.10 consisting of 3.50 bulls and cows, 2.64 calves and growing cattle, and 3.50 feedlot cattle. The cost of cattle production was divided into variable and fixed costs, which ranged annually between THB 17,279.13 and THB 300,185.88. The total annual income was THB 274,836.43. The annual net return of production (total revenue minus cost) was THB 25,984.81, while the annual net return of production per head of cattle was THB 25,984.81. The optimal farm size for beef cattle for the cooperative was a medium-sized farm. Overall, the results suggested that PYK Coop should encourage farmers to raise fattening cattle as a part-time occupation and aim to have no more than 10 head of cattle per farm. In doing so, PYK Coop should adjust the slaughter quota in accord with the number of beef cattle supplied by the farmers and should increase distribution channels to accommodate future production potential.

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Use of feed enzymes in feedlot finishing diets

Canadian Journal of Animal Science ◽

10.4141/a98-124 ◽

1999 ◽

Vol 79 (2) ◽

pp. 243-246 ◽

Cited By ~ 28

Author(s):

K. A. Beauchemin ◽

L. M. Rode ◽

D. Karren

Keyword(s):

Beef Cattle ◽

Dry Matter ◽

Average Daily Gain ◽

Feedlot Cattle ◽

Dry Matter Intake ◽

Cattle Production ◽

Finishing Diets ◽

Feed Enzymes ◽

Daily Gain ◽

Matter Basis

An enzyme mixture with predominantly xylanase and cellulase activities was added to a high concentrate diet (92.2%, dry matter basis) and fed to growing heifers (370 kg) reared in a commercial feedlot. Enzyme supplementation had no effect on dry matter intake but increased (P < 0.01) average daily gain by 9% (1.40 to 1.53 kg d−1) and numerically improved feed-to-gain ratio by 10% (7.72 to 6.95 kg dry matter kg−1 gain). Feed enzyme technology can improve efficiency of commercial feedlot cattle production. Key words: Beef cattle, feedlot cattle, enzymes, barley

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PSV-12 The impact of modern diets and growth technologies on animal growth performance and the carbon footprint of cattle feeding

Journal of Animal Science ◽

10.1093/jas/skab235.561 ◽

2021 ◽

Vol 99 (Supplement_3) ◽

pp. 305-305

Author(s):

David M Crawford ◽

Kristin E Hales ◽

Taylor M Smock ◽

Andy Cole ◽

Kendall L Samuelson

Keyword(s):

Growth Performance ◽

Greenhouse Gas Emissions ◽

Greenhouse Gas ◽

Carbon Footprint ◽

Technology Use ◽

Feedlot Cattle ◽

Feed Ratio ◽

Cattle Production ◽

Gas Emissions ◽

The Past

Abstract Both dietary ingredients and technology used in the feedlot cattle industry have evolved in the past 30 years. As consumer concern for the sustainability of the feedlot cattle production increases, it is important to understand how production efficiency and greenhouse gas emissions have changed in this period. For this study, a model was developed to represent feedlot diets and technologies used in 1990 vs. 2020 and evaluate changes in growth performance and carbon footprint. Dietary changes from 1990 to 2020 included the use of byproduct feeds while decreasing corn and dry roughage inclusion rates. In 1990, available technologies included estradiol-only implants and monensin as a feed additive; whereas in 2020 use of combination implants including both trenbolone acetate and estradiol, monensin, and ractopamine hydrochloride (in the final 28 to 42 d) were common. In both 1990 and 2020 use of available technologies increased final body weight (BW), average daily gain (ADG), feed efficiency, and hot carcass weight (HCW) compared to no technology. From 1990 to 2020 initial BW, final BW, ADG, gain to feed ratio, and HCW increased, and dry matter intake decreased. Total days on feed (DOF) also increased by 43 days from 1990 to 2020. Compared to no technology, use of technologies in both 1990 and 2020 decreased total greenhouse gas emissions per animal (CO2e). Because cattle had greater DOF in 2020 than 1990, all sources of greenhouse gas emissions per animal increased. However, when expressed as CO2e/kg BW gain, emissions have decreased by 12.6% because of greater total BW gain in 2020. Feedlots in 2020 produced 48.15% more BW gain with 6.7% less cattle, while only increasing total CO2e by 23.42%, indicating changes in technologies and diet formulations have improved efficiency and reduced the carbon footprint of feedlot cattle production in the past 30 years.

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